Mon 18 May 2026 Oxhey, 1 Chiffchaff, Paddock Road allotments (Geoff Young)
Oxhey, 3 Swift, Attenborough's Fields (Geoff Young)
Oxhey, 1 Red Kite (Geoff Young)
Oxhey, 2 Whitethroat, Paddock Road allotments (Geoff Young)
Park Wood nr St Albans [TL124051] 1+ Firecrest, Singing male (Rupert Evershed)
Standon [TL390211] 2+ Reed Warbler, Near the Lordship between the stone bridge and the fishing lake (Toby Spencer)
Standon [TL390211] 2+ Sedge Warbler, Near the Lordship between the stone bridge and the fishing lake (Toby Spencer)
Tring Reservoirs - Marsworth Res, 3+ Reed Warbler, From lock 42 area (Gary Hinton)
Tring Reservoirs - Marsworth Res, 25+ Swift (Gary Hinton)
Tring Reservoirs - Marsworth Res, 11+ Swallow (Gary Hinton)
Tring Reservoirs - Marsworth Res, 1 Red Kite, Over (Gary Hinton)
Tring Reservoirs - Marsworth Res, 7+ Common Tern (Gary Hinton)
Tring Reservoirs - Marsworth Res, 7+ House Martin (Gary Hinton)
Tring Reservoirs - Wilstone Res, 1 Little Egret (Gary Hinton)
Tring Reservoirs - Wilstone Res, 1 Red-crested Pochard, Male popped in 15:40 (Gary Hinton)
Tring Reservoirs - Wilstone Res, 10+ House Martin (Gary Hinton)
Tring Reservoirs - Wilstone Res, 45+ Swift (Gary Hinton)
Tring Reservoirs - Wilstone Res, 15+ Swallow (Gary Hinton)
Tring Reservoirs - Wilstone Res, 1 Lapwing, On split (Gary Hinton)
Tring Reservoirs - Wilstone Res, 2 Oystercatcher (Gary Hinton)
Watford [TQ116961] 1 Reed Warbler, In narrow reedbed just upstream from Tesco. (Martin Searle)
Watford [TQ096986] 4 Swift, over Cheslyn Gardens (Nick Harris)
Watford [TQ096986] 1+ Firecrest, still at Cheslyn Gardens (Nick Harris)
Sun 17 May 2026 Brocket Park [TL213128] 8 Egyptian Goose, Including pair with 2 small young (David Booth)
Brocket Park [TL218124] 1 Raven, One cronking near Lemsford entrance, flew off south (David Booth)
Flamstead village [TL079144] 3 House Martin (David McGrath)
Gaddesden Row [TL035153] 1 Willow Warbler (George moreton )
Gaddesden Row [TL035153] 1 Cuckoo (George moreton )
Gaddesden Row [TL035153] 1 Firecrest (George moreton )
Gorhambury Estate nr St Albans [TL127084] 1 Cuckoo, heard (Alan Gardiner)
Gorhambury Estate nr St Albans [TL127084] 2 Cetti's Warbler (Alan Gardiner)
Gorhambury Estate nr St Albans [TL127084] 6 Egyptian Goose (Alan Gardiner)
Gorhambury Estate nr St Albans [TL127084] 1 Lapwing (Alan Gardiner)
Gorhambury Estate nr St Albans [TL127084] 2 Reed Warbler (Alan Gardiner)
Gorhambury Estate nr St Albans [TL127084] 1 Swift (Alan Gardiner)
Gorhambury Estate nr St Albans [TL127084] 1 Sedge Warbler (Alan Gardiner)
Heartwood Forest - Arboretum [TL177121] 1 Lesser Whitethroat (David Utting)
Heartwood Forest - Arboretum [TL177121] 3 Willow Warbler (David Utting)
Hebing End nr Benington [TL295225] 1 Yellow Wagtail, Cotton Lane (Alan Ford)
Hemel Hempstead, 1 Swift, First returned bird to South Hill Road breeding site 6.46pm (Derek Pratt)
Hertford - Bengeo [TL317134] 1 Cuckoo (Simon Knott)
Rye Meads [TL384103] 1 Cetti's Warbler, Seen at Gadwall Hide (Mike Browning )
Rye Meads [TL384103] 1 Cuckoo, Heard but not seen (Mike Browning )
Rye Meads [TL386102] 1 Hobby (Mike Browning )
Rye Meads [TL384103] c.8 Red-crested Pochard, 3 pairs of Red-crested Pochard including a pair with at least 2 ducklings (Mike Browning )
Stevenage - Chells Manor [TL267247] 1 Hobby, north through Chells Park late afternoon (Tom Speller)
Tring Reservoirs - Wilstone Res, 7 Mandarin, female with 6 young (Ian Williams)
Tyttenhanger GPs - Coursers Road GPs [TL200042] 1 Ringed Plover (Rupert Evershed)
Tyttenhanger GPs - Coursers Road GPs [TL200042] 1 Hobby, High over Tyttenhanger area (Rupert Evershed)
Tyttenhanger GPs - Coursers Road GPs [TL200042] 1 Honey Buzzard, Probable bird with storks over Tyttenhanger also drifted NE (Rupert Evershed)
Tyttenhanger GPs - Coursers Road GPs [TL200042] 3 White Stork, Unringed birds circling over Tyttenhanger area at 11am before drifting off NE (Rupert Evershed)
Tyttenhanger GPs - Coursers Road GPs [TL200042] 6+ Little Ringed Plover (Rupert Evershed)
West End nr Essendon [TL265089] 7 Swift, Drifted NW late afternoon over Hillend Farm. (Mark Smith)
West End nr Essendon [TL265089] c.10 Swallow (Mark Smith)
West End nr Essendon [TL265089] c.3 Lapwing, 3+ in fields near Hillend Farm. (Mark Smith)
West End nr Essendon [TL265089] 2 House Martin (Mark Smith)
White Hall Farm nr Stevenage [TL288210] 2 Egyptian Goose (Alan Ford)
Sat 16 May 2026 Amwell GP/NR (exact water not specified), 1 Nightingale, Singing bird between Bittern Pool and Hardmead Sluices 5:40 (Allan Meadows)
Amwell NR - Great Hardmead Lake, 5 Little Ringed Plover (Allan Meadows)
Amwell NR - Great Hardmead Lake, 3 Cuckoo, 2 males and 1 female calling from reed bed left of viewpoint (Allan Meadows)
Chipperfield [TL041017] 1 Firecrest, singing male in church grounds (Ian Bennell)
Chipperfield [TL043015] 1 Firecrest, singing male in churchyard (Ian Bennell)
Panshanger Park [TL300123] 3 Swift (Dean Ballard)
Panshanger Park [TL300123] 10+ House Martin (Dean Ballard)
Panshanger Park [TL300123] 4 Hobby (Dean Ballard)
Panshanger Park [TL300123] 10+ Swallow (Dean Ballard)
Panshanger Park, 2 Cuckoo (Dean Ballard)
Panshanger Park [TL293123] 3 Reed Warbler (Dean Ballard)
Stocker's Lake, 4 Cetti's Warbler (Geoff Young)
Stocker's Lake, 1 Grey Wagtail (Geoff Young)
Stocker's Lake, 1 Sedge Warbler (Geoff Young)
Stocker's Lake, 1 Cuckoo (Geoff Young)
Stocker's Lake, 1 Chiffchaff (Geoff Young)
Stocker's Lake, 3 Blackcap (Geoff Young)
Stocker's Lake, 2 Garden Warbler (Geoff Young)
Tyttenhanger area - Garden Wood [TL193046] 3+ Raven (Alan Gardiner)
Tyttenhanger GPs - fishing lake [TL191053] 1 Oystercatcher (Alan Gardiner)
Tyttenhanger GPs - fishing lake [TL191053] 1 Common Tern (Alan Gardiner)
Tyttenhanger GPs - main GP [TL196053] 1 Cuckoo, calling (Alan Gardiner)
Tyttenhanger GPs - main GP [TL196052] 4 Cetti's Warbler (Alan Gardiner)
Whippendell Wood nr Watford [TQ086973] 1 Firecrest, heard from the east-west footpath crossing West Herts golf course, in woodland about half way between Rousebarn Lane & Iron Bridge Lock (C Luckhurst)
Fri 15 May 2026 Ashridge Forest, 2 Mandarin, pair on pond (Ed Griffiths)
Baldock to Wallington Road [TL267343] 1 Hobby, hunting over fields (Andy Day)
Baldock to Wallington Road [TL267343] 20+ Swift, from metal gate (Andy Day)
Baldock to Wallington Road [TL267343] 3 Swallow, from metal gate (Andy Day)
Baldock to Wallington Road [TL267343] 12 Corn Bunting, from metal gate (Andy Day)
Batford, 1 Reed Warbler, in song near footbridge over river (Mike Russell)
Batford, 1 Cetti's Warbler, vocal near children’s play area (Mike Russell)
Hemel Hempstead, 3 Swift, Warners End over house (P Griffin )
Kinsbourne Green pit [TL102161] 1 Oystercatcher (Clifford Smout)
Kinsbourne Green pit [TL102161] 1 Lapwing (Clifford Smout)
Kinsbourne Green pit [TL102161] 2 House Martin (Clifford Smout)
Kinsbourne Green pit [TL102161] 2 Swallow (Clifford Smout)
Leasey Bridge nr Wheathampstead, 1 Cetti's Warbler, vocal in reeds upriver from bridge (Mike russell)
River Lee at Ware [TL345141] 1 Mandarin, Male (Richard Marlow)
Standon [TL397219] 2 Yellow Wagtail, on the concrete path to the sewage works (Toby Spencer)
Thu 14 May 2026 Batford [TL146150] 1 Kingfisher, flew NW over the footbridge in the nature reserve (C Luckhurst)
Batford [TL148148] 2 Grey Wagtail, at Crabtree Lane ford (C Luckhurst)
Batford [TL146150] 1 Reed Warbler, Showing very well - singing at same site as on Tuesday and best viewed from bridge (Clifford Smout)
Braughing, 1 Willow Warbler, Singing male along hay lane path (Paula moore)
Coopers Green GPs - Stanborough GP [TL209106] 10 Yellow Wagtail, 7m, 3f. The males sitting on posts and calling along or near the main track running through site. (Steven Pearce)
Coopers Green GPs - Stanborough GP [TL209106] 6 Lapwing, 3 adults and 3 chicks by deep pool: 1ad +2 chicks, then some distance away, 1ad + 1 chick: the extra adult means I'm not sure if one or two broods involved. (Steven Pearce)
Elstree, 1 Hobby (Allan Stewart)
Nettleden Lodge nr Great Gaddesden [TL019104] 1 Firecrest, Male singing back of church (James Reader)
Panshanger Park [TL299123] 1 Common Tern (Dean Ballard)
Wed 13 May 2026 Amwell NR - Great Hardmead Lake [TL378127] 2 Hobby, From James Hide just before rain (Clifford Smout)
Amwell NR - Great Hardmead Lake [TL378127] 1 Little Ringed Plover (Clifford Smout)
Amwell NR - Great Hardmead Lake [TL378127] 10+ Sand Martin (Clifford Smout)
Amwell NR - Great Hardmead Lake [TL378127] 25 Swift (Clifford Smout)
Amwell NR - Great Hardmead Lake [TL378127] 4 Egyptian Goose (Clifford Smout)
Batford, 1 Reed Warbler, singing and seen in reeds around dragonfly pond by bridge in Batford Springs park/ NR at 10.00 (Darin Stanley)
Brookmans Park [TL258044] 1 Firecrest, in front gardens along Pine grove. Very mobile and vocal. 9.10-9.25 am (Andrew Miller)
Essendon, 2 Cuckoo, Pair together at Essendon Golf Club (David Carter)
Scales Park nr Nuthampstead [TL416334] 3 Raven, adult and two recently fledged juveniles (Martin Johnson)
Tring Reservoirs - Startop's End Res, 2 Hobby, at 17:30 low over water (Andy Bensted)
Tyttenhanger GPs - main GP [TL195052] 2 Yellow Wagtail, pair in field behind high viewpoint. (Steven Pearce)
Tyttenhanger GPs - main GP [TL195052] 3 Oystercatcher, pair and one young seen. (Steven Pearce)
Tyttenhanger GPs - main GP [TL195052] 1 Common Tern (Steven Pearce)
Woodoaks Farm nr Maple Cross [TQ032932] 4 Linnet (Jamie Brown)
Woodoaks Farm nr Maple Cross [TQ032932] 2 Stonechat (Jamie Brown)
Woodoaks Farm nr Maple Cross [TQ032932] 4 Whitethroat (Jamie Brown)
Woodoaks Farm nr Maple Cross [TQ032932] 1 Lesser Whitethroat (Jamie Brown)
Tue 12 May 2026 Batford, 1 Yellow Wagtail, flying over paddocks north of Batford. (Darin Stanley)
Batford, 1 Reed Warbler, Batford Springs, In reeds around the pond off the boardwalk (Jacqui Ansell)
Croxley Common Moor, 2 Lesser Whitethroat (William Atkinson)
Croxley Common Moor, 2+ Little Egret (William Atkinson)
Croxley Common Moor, 1 Grasshopper Warbler, showing well in song near river (William Atkinson)
Croxley Common Moor, c.5 Garden Warbler (William Atkinson)
Croxley Common Moor, 2+ Cetti's Warbler (William Atkinson)
Croxley Common Moor, c.10 Swift (William Atkinson)
Croxley Common Moor, 2+ Chiffchaff (William Atkinson)
Croxley Common Moor, c.10 Whitethroat (William Atkinson)
Croxley Common Moor, 4+ Blackcap (William Atkinson)
Croxley Common Moor, 1 Common Tern, skimming for insects on river surface (William Atkinson)
Croxley Common Moor, 2+ Sedge Warbler (William Atkinson)
Croxley Common Moor, 1 Cuckoo, incl seen in flight (William Atkinson)
Croxley Common Moor, 3+ Reed Warbler (William Atkinson)
Gaddesden Row [TL040141] 1 Cuckoo, Singing at dusk for last few evenings (George moreton )
Goffs Oak [TL336025] 1+ Hobby, Flying low over plover Field, swallows seen a little earlier (Richard Wistow)
Goffs Oak [TL336025] 1 Whitethroat, Singing from scrub in Plover Field (Richard Wistow)
Goffs Oak [TL336025] 1 Chiffchaff (Richard Wistow)
Goffs Oak [TL336025] 3 Blackcap, At least 3 heard singing from hedges around Plover Field and scrub in field (Richard Wistow)
Goffs Oak [TL336025] 2 Ring-necked Parakeet (Richard Wistow)
Goffs Oak [TL336025] 2 Red Kite (Richard Wistow)
King's Meads nr Hertford [TL340135] 1 Little Ringed Plover, on pools at Park Mead (Andy Bartlett)
King's Meads nr Hertford [TL340134] 1 Garden Warbler, on Tansy Mead near railway line (Andy Bartlett)
King's Meads nr Hertford [TL340134] 1 Lesser Whitethroat, on Tansy Mead near railway line (Andy Bartlett)
King's Meads nr Hertford [TL338136] 1 Raven, over Park Mead (Andy Bartlett)
Kinsbourne Green pit [TL102161] 4 Swallow (Clifford Smout)
Kinsbourne Green pit [TL102161] 3 Lapwing (Clifford Smout)
Kinsbourne Green pit [TL102161] 3 Lapwing (Russ Harvey)
Rabley Park nr Shenley [TL205015] 2 Swift (Callum Peel)
Redbourn [TL087133] 1 Yellow Wagtail, been present for a few days. Adult moving around wheat field close to public footpath at Nicholls Farm (Peter Tallantire)
Redbournbury [TL122101] 1 Firecrest, in blackthorn scrub (John Pritchard )
Stanstead Abbotts, 2 Swallow (Jane Free)
Symondshyde Farm nr St Albans [TL199112] 6+ Swallow, and still including the rusty red bird seen previously by Rupert Evershed (Simon West)
Mon 11 May 2026 Braughing, 1 Grey Wagtail, On River Qin below Fleece Lane footbridge (Steve Hughes)
Coopers Green GPs - Beech Farm GP [TL194085] 1 Cuckoo, Heard from Beech Farm (Callum Peel)
Coopers Green GPs - Stanborough GP [TL215110] 4+ Little Ringed Plover (Rupert Evershed)
Coopers Green GPs - Stanborough GP [TL215110] 1 Lesser Whitethroat (Rupert Evershed)
Coopers Green GPs - Stanborough GP [TL215110] 2 Meadow Pipit, Pair displaying (Rupert Evershed)
Coopers Green GPs - Stanborough GP [TL215110] 2+ Sedge Warbler (Rupert Evershed)
Coopers Green GPs - Stanborough GP [TL215110] 2 Dunlin, On middle pool this evening with a pair of Little Ringed Plover (Rupert Evershed)
Coopers Green GPs - Stanborough GP [TL215110] 50+ Swift (Rupert Evershed)
Coopers Green GPs - Stanborough GP [TL215110] 2 Mandarin, Pair (Rupert Evershed)
Frogmore GP nr Stevenage [TL292199] 1 Raven (Alan Ford)
Gorhambury Estate nr St Albans [TL127083] 1 Little Ringed Plover, on exposed mud on pool (John Pritchard)
Stevenage - Fairlands Valley Park Lakes - N of Six HIlls Way [TL254241] 2 Grey Wagtail, main lake (Andy Day)
Stevenage - Fairlands Valley Park Lakes - N of Six HIlls Way [TL254241] c.20 Swift, feeding at main lake in the rain (Andy Day)
Stevenage - Fairlands Valley Park Lakes - N of Six HIlls Way [TL254241] 15 Swallow, in hirundine flock (Andy Day)
Stevenage - Fairlands Valley Park Lakes - N of Six HIlls Way [TL254241] 4 House Martin, in hirundine flock (Andy Day)
Symondshyde Farm nr St Albans [TL197114] 10+ Swallow, Including rusty red bird - possibly an Eastern Mediterranean or Eyptian subspecies (Rupert Evershed)
Symondshyde Farm nr St Albans [TL197114] 1 Hobby, hunting over farm area (Rupert Evershed)
Symondshyde Great Wood - exact location not specified [TL197107] 1+ Crossbill (Rupert Evershed)
Symondshyde Great Wood - exact location not specified [TL197107] 1 Willow Warbler (Rupert Evershed)
White Hall Farm nr Stevenage [TL288214] 2 Little Egret (Alan Ford)
Sun 10 May 2026 Amwell NR - Great Hardmead Lake, 2 Common Sandpiper (Jane Free)
Frogmore Lakes nr St Albans [TL146033] 1 Osprey, Circled over the paddocks before heading NW at 08:16 (S W)
Frogmore Lakes nr St Albans [TL146033] 1 Lesser Whitethroat (S W)
Frogmore Lakes nr St Albans [TL146033] 3+ Garden Warbler (S W)
Frogmore Lakes nr St Albans [TL146033] c.6 Swallow (S W)
Frogmore Lakes nr St Albans [TL146033] 35+ Whitethroat (S W)
Harpenden, 2 Swift, Flying near Crabtree school (Robin Hilton)
St Paul's Walden [TL201224] 4 Yellowhammer, Walking down Norton Street and then around adjacent fields (with farmer’s permission) heard a total of 4 singing males. (Lucy Alexander)
Tewin [TL278146] 1 Yellowhammer (Aaron Clements-Partridge)
Tring Reservoirs - Wilstone Res, 1 Common Sandpiper (Ian Williams)
Tring Reservoirs - Wilstone Res, 1 Cuckoo (Ian Williams)
Tring Reservoirs - Wilstone Res, 2 Black-necked Grebe, pair distant off jetty (Ian Williams)
Tring Reservoirs - Wilstone Res, 2 Mandarin, both drake (Ian Williams)
Tyttenhanger GPs - Coursers Road GPs [TL196041] 2 Ringed Plover (Andrew Steele)
Tyttenhanger GPs - Coursers Road GPs [TL196041] 1 Shelduck, Flew in at 8:55 for about 20 seconds!! (Andrew Steele)
Tyttenhanger GPs - Coursers Road GPs [TL200043] 5 Little Ringed Plover (Steven Pearce)
Tyttenhanger GPs - Coursers Road GPs [TL200043] 1 Common Sandpiper (Steven Pearce)
Tyttenhanger GPs - fishing lake [TL190050] 1 Oystercatcher (Steven Pearce)
Tyttenhanger GPs - fishing lake [TL190050] 1 Common Tern (Steven Pearce)
Waterend nr Wheathampstead, 1 Reed Warbler (Robin Hilton)
Waterend nr Wheathampstead, 1 Sedge Warbler (Robin Hilton)
Waterend nr Wheathampstead, 1 Cetti's Warbler (Robin Hilton)
Waterend nr Wheathampstead, 1 Garden Warbler (Robin Hilton)
Watton at Stone, 1 Nightingale, singing after 9pm.Usual location (Matt Holmes)
Sat 9 May 2026 Coopers Green GPs - Stanborough GP [TL207103] 2 Mandarin, A Pair. (Steven Pearce)
Coopers Green GPs - Stanborough GP [TL203110] 1 Wheatear, Female in field at farm end of track (the long staying male at the other end not seen). (Steven Pearce)
Frogmore Lakes nr St Albans [TL146032] 1 Garden Warbler (S W)
Frogmore Lakes nr St Albans [TL146032] 1 Cetti's Warbler (S W)
Frogmore Lakes nr St Albans [TL146032] 2 Lesser Whitethroat (S W)
Harpenden, 1 Cuckoo, Heard at 5:54am near Crabtree School (Robin Hilton)
Kinsbourne Green nr Harpenden [TL112160] 1 Blackcap (Russ Harvey)
Langley nr Stevenage [TL203230] 1 Yellowhammer (Lucy Alexander )
Langley nr Stevenage [TL199234] 1 Garden Warbler (Lucy Alexander)
Langley nr Stevenage [TL199234] 1 Blackcap, In a scrubby area Farmer has left purposefully to rewild. (Lucy Alexander)
Maple Cross [TQ029920] 1 Garden Warbler (Chris Bessant)
Pynesfield North Lake nr Maple Cross [TQ036911] 1 Cetti's Warbler (Chris Bessant)
Pynesfield North Lake nr Maple Cross [TQ031914] 1 Whitethroat (Chris Bessant)
Pynesfield South Lake nr Maple Cross [TQ038911] 1 Garden Warbler (Chris Bessant)
Stevenage - Broadwater [TL256254] 1 Blackcap (Andy Day)
Tring Reservoirs - Wilstone Res, 5 Oystercatcher (Ian Williams)
Tring Reservoirs - Wilstone Res, 2 Common Sandpiper (Ian Williams)
Tyttenhanger GPs - main GP [TL197048] 1 Cuckoo (Andrew Steele)
Wheathampstead [TL190142] 2+ Sedge Warbler (Jacqui Ansell)
Wheathampstead [TL190142] 2+ Reed Warbler (Jacqui Ansell)
Wheathampstead [TL190142] 2 Cetti's Warbler (Jacqui Ansell)
Wheathampstead [TL190142] 1 Cuckoo, Heard only from 6am (Jacqui Ansell)
Wilbury Hill nr Letchworth [TL201324] 1 Cuckoo, heard briefly 10.00 in set-aside SE of Icknield Way / Stotfold Rd junction (James Walsh)
Fri 8 May 2026 Batford [TL146150] 1 Cetti's Warbler, Heard in reserve (Clifford Smout)
Braughing Meads, 2 Mandarin, A pair on the bank of R Quin near the footbridge on Meads (Steve Hughes)
Heartwood Forest - Arboretum [TL175119] 5 Whitethroat (Jamie Brown)
Heartwood Forest - Arboretum [TL175119] 2 Yellowhammer (Jamie Brown)
Heartwood Forest - Arboretum [TL175119] 2 Garden Warbler (Jamie Brown)
Heartwood Forest - Arboretum [TL175119] 3 Meadow Pipit (Jamie Brown)
Heartwood Forest - Arboretum [TL175119] 1 Willow Warbler (Jamie Brown)
Heartwood Forest - Arboretum [TL175119] 23 Linnet (Jamie Brown)
Hertford - Hartham, c.2+ Kingfisher, Active between Hartham weir and brown arch (Matt Holmes)
Oxhey, 1 Whitethroat, in song flight, Paddock Road allotments. (Geoff Young)
Oxhey, 2 Blackcap, Paddock Road allotments. (Geoff Young)
Oxhey, 1 Chiffchaff, Paddock Road allotments. (Geoff Young)
Redbournbury [TL119107] 4 Linnet (Alan Gardiner)
Redbournbury [TL119107] 2 Grey Wagtail (Alan Gardiner)
Redbournbury [TL122102] 2 Cetti's Warbler (Alan Gardiner)
Redbournbury [TL122102] 1+ Sedge Warbler (Alan Gardiner)
Shafford Farm nr St Albans [TL123097] 1 Sedge Warbler (Alan Gardiner)
Shafford Farm nr St Albans [TL123097] 2 Cetti's Warbler (Alan Gardiner)
The Withey Beds nr Rickmansworth [TQ078940] 1 Garden Warbler, Singing (Anna Marett)
The Withey Beds nr Rickmansworth [TQ078940] 1 Whitethroat, Singing (Anna Marett)
The Withey Beds nr Rickmansworth [TQ078940] 1 Reed Warbler, Singing (Anna Marett)
Tring Reservoirs - Wilstone Res, 6 Common Sandpiper, flew from north corner early morning (Ian Williams)
Tring Reservoirs - Wilstone Res, 5+ Lesser Whitethroat, minimum singing around site (Ian Williams)
Whitwell [TL188216] 2 Raven (Aaron Clements-Partridge)
Whitwell [TL191214] 1 Yellowhammer (Aaron Clements-Partridge)
Whitwell [TL184212] 4 Swallow, At stables at Water Hall Farm (Aaron Clements-Partridge)
Woodoaks Farm nr Maple Cross, 5 Whitethroat (Stephen Middleton)
Woodoaks Farm nr Maple Cross, 1 Blackcap (Stephen Middleton)
Woodoaks Farm nr Maple Cross, 1 Lesser Whitethroat, Singing in old orchard (Stephen Middleton)
Woodoaks Farm nr Maple Cross, 1 Stonechat (Stephen Middleton)
Thu 7 May 2026 Amwell NR - Tumbling Bay Lake, 1 Nightingale, Still present & singing sporadically. (Chris Holtby)
Batford, 1 Blackcap (Francis Dowley)
Batford, 5+ Ring-necked Parakeet (Francis Dowley)
Batford, 2 Chiffchaff (Francis Dowley)
Batford, 1 Cetti's Warbler (Francis Dowley)
Bishop's Stortford [TL485218] 4 Swift, flying over Elm Road and Northgate End. (Richard Melarange)
Borehamwood - Aberford Park, 4 Egyptian Goose, 4 on grass between lake and Brook Road (Rex Dunwoody)
Croxley Common Moor, 3 Whitethroat (Steve Carter )
Croxley Common Moor, 2 Chiffchaff (Steve Carter )
Croxley Common Moor, 4 Blackcap (Steve Carter )
Croxley Common Moor, 5 Sedge Warbler (Steve Carter )
Croxley Common Moor, 1 Cuckoo, Heard (Steve Carter )
Croxley Common Moor, 4 Reed Warbler (Steve Carter )
Croxley Common Moor, 2 Garden Warbler (Steve Carter )
Croxley Common Moor, 2 Cetti's Warbler (Steve Carter )
Kinsbourne Green pit [TL102161] 4+ Swallow (Clifford Smout)
Kinsbourne Green pit [TL102161] 1+ House Martin (Clifford Smout)
Kinsbourne Green pit [TL102161] 2 Oystercatcher (Clifford Smout)
Kinsbourne Green pit [TL102161] 5+ Linnet (Clifford Smout)
Letty Green [TL291113] 1 Cuckoo, Heard (Aaron Clements-Partridge)
Letty Green [TL291113] 1 Yellowhammer (Aaron Clements-Partridge)
Letty Green [TL291113] 2 Swallow (Aaron Clements-Partridge)
Stevenage - Fairlands Valley Park - S of Six HIlls Way, 1 Cuckoo, Heard calling briefly west of the dam (Darrel Bryant)
Verulamium Park [TL141067] 1 Cetti's Warbler, Still present heard singing near Abbey Mill. (Rob Souter )
Weston, 11 Cattle Egret (Andrew coates)
Wed 6 May 2026 Amwell GP/NR (exact water not specified) [TL373131] 1 Nightingale, Singing, calling and showing intermittently at 12.45hrs (Graham Higgins)
Cassiobury Park, 1 Common Tern (Pinner RSPB Group)
Cassiobury Park, 10 Chiffchaff (Pinner RSPB Group)
Cassiobury Park, c.10 Blackcap (Pinner RSPB Group)
Cassiobury Park, 1 Grey Wagtail (Pinner RSPB Group)
Cassiobury Park, 2 Whitethroat (Pinner RSPB Group)
Cassiobury Park, c.2 Cetti's Warbler (Pinner RSPB Group)
Cassiobury Park, 1 Egyptian Goose (Pinner RSPB Group)
Cassiobury Park, 1 Little Egret (Pinner RSPB Group)
Cassiobury Park, 2 Mandarin (Pinner RSPB Group)
Cassiobury Park, 1+ Sedge Warbler (Pinner RSPB Group)
Cassiobury Park, 3 Reed Warbler (Pinner RSPB Group)
Cassiobury Park, 1 Swift (Pinner RSPB Group)
Coopers Green Lane nr St Albans [TL203110] 1 Whitethroat (Simon Errington)
Coopers Green Lane nr St Albans [TL207111] 1 Little Ringed Plover (Simon Errington)
Coopers Green Lane nr St Albans [TL204110] 6 Linnet (Simon Errington)
Coopers Green Lane nr St Albans [TL207111] 1 Oystercatcher (Simon Errington)
Coopers Green Lane nr St Albans [TL205109] 2 Yellow Wagtail (Simon Errington)
East Hyde, 2 Egyptian Goose, By pumping station (Russell Harvey)
East Hyde [TL130170] 1 Whitethroat (Russell Harvey)
Frogmore GP nr Stevenage [TL285206] 3 Mandarin, Flying over (Alan Ford)
Hatfield Garden Village [TL214100] 1 Lesser Whitethroat (Simon Errington)
Panshanger Park [TL300123] 1 Common Sandpiper, On the island (Dean Ballard)
Panshanger Park [TL300122] 1 Cuckoo (Dean Ballard)
Panshanger Park [TL303123] 2 Sedge Warbler (Dean Ballard)
Panshanger Park [TL302123] 1 Garden Warbler (Dean Ballard)
Panshanger Park [TL301123] 3 Common Tern, Over Osprey Lake (Dean Ballard)
Preston [TL169252] 15+ Swallow, Flying over arable fields near Austage End (Callum Peel)
Preston [TL173249] 1 Yellowhammer (Callum Peel)
Preston [TL172249] 6 Lapwing, Scattered throughout fallow field, possibly paired up (Callum Peel)
Thorley nr Bishop's Stortford [TL482185] 1 Common Sandpiper, One at the Reservoir. (Laurence Drummond)
Thorley nr Bishop's Stortford [TL482185] 2 House Martin, 2 at the reservoir in mixed hirundine flock. (Laurence Drummond)
Thorley nr Bishop's Stortford [TL482185] 1 Cuckoo, Male flying along the canopy at Thorley wood, occasionally stopping to call. (Laurence Drummond)
Tring Reservoirs - Wilstone Res, 10+ House Martin
Tring Reservoirs - Wilstone Res, 8+ Red Kite
Tring Reservoirs - Wilstone Res, 10+ Common Tern
Tring Reservoirs - Wilstone Res, 100+ Swift
Tring Reservoirs - Wilstone Res, c.3 Blackcap
Tring Reservoirs - Wilstone Res, 25+ Swallow
Tring Reservoirs - Wilstone Res, 1 Grey Wagtail
Tring Reservoirs - Wilstone Res, 3+ Chiffchaff
Tring Reservoirs - Wilstone Res, 1 Cetti's Warbler, Calling near hide
Tring Reservoirs - Wilstone Res, 1+ Hobby
Tring Reservoirs - Wilstone Res, c.2 Yellow Wagtail, Near overflow
Tyttenhanger GPs (exact GP not specified), 1 Cuckoo, calling (Alan Gardiner)
Tyttenhanger GPs - fishing lake [TL191053] 2 Oystercatcher (Alan Gardiner)
Tyttenhanger GPs - fishing lake [TL191053] 2 Common Tern (Alan Gardiner)
Tyttenhanger GPs - main GP [TL196051] 1 Cetti's Warbler (Alan Gardiner)
Tyttenhanger GPs - Tyttenhanger Farm [TL198051] 1 Lesser Whitethroat, singing (Alan Gardiner)
Tyttenhanger GPs - Willows Farm [TL191044] 1 Raven (Alan Gardiner)
Tyttenhanger GPs - Willows Farm Lake [TL186045] 1 Yellow Wagtail, Male calling on fence post at far edge of cattle field by Willows Farm Lake. (Steven Pearce)
Tue 5 May 2026 Coopers Green GPs - Stanborough GP [TL210108] 1 Wheatear, Male still present. (Steven Pearce)
Coopers Green GPs - Stanborough GP [TL211109] 1 Sedge Warbler, Lagoon rough area. (Steven Pearce)
Coopers Green GPs - Stanborough GP [TL209106] 3 Little Ringed Plover (Steven Pearce)
Coopers Green GPs - Stanborough GP [TL210108] 9 Yellow Wagtail, 8 males (at least 6 on posts, calling) and a female along or near main track. (Steven Pearce)
Coopers Green GPs - Stanborough GP [TL201112] 1 Lesser Whitethroat, Singing in Symondshyde Farm hedgerow (Steven Pearce)
Kinsbourne Green pit [TL102161] 1 Lapwing (Clifford Smout)
Kinsbourne Green pit [TL102161] 2 Oystercatcher, Pair (Clifford Smout)
Kinsbourne Green pit [TL102161] 4 Swallow (Clifford Smout)
Maple Lodge NR (members only), 2 Common Tern (Steve Carter )
Maple Lodge NR (members only), 6 Reed Warbler (Steve Carter )
Maple Lodge NR (members only), 3 Swallow (Steve Carter )
Maple Lodge NR (members only), 2 Chiffchaff (Steve Carter )
Maple Lodge NR (members only), 1 Sedge Warbler (Steve Carter )
Maple Lodge NR (members only), 2 Garden Warbler (Steve Carter )
Maple Lodge NR (members only), 1 Cetti's Warbler (Steve Carter )
Maple Lodge NR (members only), 2 House Martin (Steve Carter )
Maple Lodge NR (members only), 3 Blackcap (Steve Carter )
Maple Lodge NR (members only), 2 Sand Martin (Steve Carter )
Maple Lodge NR (members only), 2 Egyptian Goose (Steve Carter )
Northaw Great Wood, 1 Cuckoo, Calling infrequently this afternoon. (Mark Smith)
Tring Reservoirs - Wilstone Res, 1 Great White Egret (Steve Rodwell)
Tring Reservoirs - Wilstone Res, 2 Mediterranean Gull, Second-summer (Steve Rodwell)
Watford [TQ096989] 1 Firecrest, Singing bird at Ridge Lane end of Orchard Park at 8.30am (Ian Bennell)
Watford [TQ096986] 1 Chiffchaff (Nick Harris)
Watford [TQ096986] 2 Firecrest, at Cheslyn Gardens (Nick Harris)
Watton at Stone, 1 Nightingale (Ray Hooper)
Welwyn [TL225158] 1 Hobby, Hunting low over hospital boundary (Alex Trollope )
Welwyn [TL225158] 3 Swift (Alex Trollope )
Woodoaks Farm nr Maple Cross, 1 Chiffchaff (Steve Carter )
Woodoaks Farm nr Maple Cross, 2 Linnet, Pair (Steve Carter )
Woodoaks Farm nr Maple Cross, 2 Whitethroat (Steve Carter )
Woodoaks Farm nr Maple Cross, 3 Red Kite, Calling (Steve Carter )
Woodoaks Farm nr Maple Cross, 1 Blackcap (Steve Carter )
Woodoaks Farm nr Maple Cross, 1 Lesser Whitethroat, Singing (Steve Carter )
Mon 4 May 2026 Batford [TL152150] 1 Lesser Whitethroat, heard and seen in hedgerow north of weedy/ Scrubby field by KW School. (Darin Stanley)
Batford [TL148167] c.1 Lesser Whitethroat, heard in hedge at top of hill from entrance from Turners close, (Darin Stanley)
Berkhamsted, 1 Hobby, Hunting low over houses c1500h (Andrew Bailey)
Cadwell nr Ickleford, 1 Whinchat, fem S of Lavender fields, on Icknield Way 400m E of railway footbridge (James Walsh)
Cadwell nr Ickleford, 1 Cuckoo, singing near Lower Green Farm (James Walsh)
Coopers Green GPs - Stanborough GP [TL207102] 2 House Martin (Steven Pearce)
Coopers Green GPs - Stanborough GP [TL207102] 1 Sedge Warbler, One singing along Coopers Green Lane near Hatfield Business Park turn-off (by new workings) (Steven Pearce)
Coopers Green GPs - Stanborough GP [TL207102] 2 Mandarin, A pair flew from a tree. (Steven Pearce)
Coopers Green GPs - Sutton Farm GP [TL196103] 1 Barn Owl, Hunting at first light (Rupert Evershed)
Coopers Green GPs - Sutton Farm GP [TL196103] 1 Willow Warbler (Rupert Evershed)
Cooters End Lane nr Harpenden [TL126156] 1 Whitethroat, Seen (Clifford Smout)
Cooters End Lane nr Harpenden [TL129162] 1 Linnet (Clifford Smout)
East Hyde [TL128171] 3+ Little Egret, Three in ditch commuting up to mill pool and probably a different bird up towards Harpenden (Clifford Smout)
East Hyde [TL128171] 1 Sedge Warbler, Silent (Clifford Smout)
East Hyde [TL130170] 2 Whitethroat, Seen (Clifford Smout)
Flamstead village [TL064130] 1+ Willow Warbler (Andrew Harris)
Hammonds Farm nr Sandridge [TL183112] 1 Quail, Calling by gate at 4.20am (Rupert Evershed)
Hatfield [TL220080] 4 Swift, First record of the year (Brendon Fagan)
Hatfield Garden Village [TL219094] 1 Lesser Whitethroat, In overgrown area near shops, where singing last week. (Steven Pearce)
Hertford - Bengeo [TL317133] 1 Cuckoo (Simon Knott)
Hitchin [TL187310] 2 Reed Warbler, Burymead Springs nature reserve (Callum Peel)
Ickleford [TL187314] 1 Lesser Whitethroat, Scrub near railway line between Hitchin industrial area and Ickleford (Callum Peel)
Ickleford [TL187314] 1 Willow Warbler, Singing in scrub near railway line between Hitchin industrial estate and Ickleford. Near Burymead Springs (Callum Peel)
Ickleford [TL185323] 3 Swift, Over the village. My first of the year (Callum Peel)
Ickleford [TL186319] 1 Lesser Whitethroat, Near River Hiz north of Icknield Way (Callum Peel)
Ickleford Common [TL186329] 2 Reed Warbler, In reeds along River Hiz on county border. One singing (Callum Peel)
Ickleford Common [TL182334] 1 Yellowhammer, Fields to west of the common towards Holwell (Callum Peel)
Ickleford Common [TL182334] 1 Corn Bunting, Fields to west of the common towards Holwell (Callum Peel)
Kinsbourne Green pit [TL102161] 3 Linnet (David Lyons)
Kinsbourne Green pit [TL102161] 3+ Yellow Wagtail, Several sightings of 1 or 2 birds. Hard to estimate total on site and mobile and spread out. I would guess 6 to 10. (David Lyons)
Kinsbourne Green pit [TL102161] 1 Lapwing (David Lyons)
Kinsbourne Green pit [TL102161] 2 Oystercatcher (David Lyons)
Lemsford [TL219120] 2 Swift (Aaron Clements-Partridge)
Lemsford [TL219120] 10 House Martin (Aaron Clements-Partridge)
Maple Cross [TQ025924] 1 Lesser Whitethroat (Chris Bessant)
Maple Cross [TQ025924] 1 House Martin (Chris Bessant)
Panshanger Park [TL292125] 4 Raven, Possibly 2 pairs (Tracey Burrows)
Panshanger Park [TL292125] 3 Hobby, Over Riverside Lake (Tracey Burrows)
Stevenage [TL246243] 3 Swift, over Bedwell Crescent (Andy Day)
Symondshyde Great Wood - exact location not specified [TL196106] 4 Crossbill (Rupert Evershed)
Thorley nr Bishop's Stortford [TL482182] 1+ Yellowhammer, at least one heard singing at Thorley Reservoir (Mary Young)
Thorley nr Bishop's Stortford [TL482182] 1 Dunlin, in breeding plumage, at Thorley Reservoir this morning (Mary Young)
Thorley nr Bishop's Stortford [TL482182] 3 Little Ringed Plover, still at Thorley Reservoir this morning (Mary Young)
Thorley nr Bishop's Stortford [TL482182] 1 Common Sandpiper, still at Thorley Reservoir this morning (Mary Young)
Thorley nr Bishop's Stortford [TL482182] 1+ House Martin, in reasonable sized group of mixed hirundines at Thorley Reservoir, including Sand Martins and Swallows (Mary Young)
Tring Reservoirs - Wilstone Res, 1 Cattle Egret, with little egret early morning briefly before flying east (Ian Williams)
Tring Reservoirs - Wilstone Res, 4 Little Egret (Ian Williams)
Tring Reservoirs - Wilstone Res, 1 Cuckoo (Ian Williams)
Tring Reservoirs - Wilstone Res, 1 Common Sandpiper (Ian Williams)
Tring Reservoirs - Wilstone Res, 2 Hobby (Ian Williams)
Tring Reservoirs - Wilstone Res, 1 Oystercatcher, in front of hide (Nick Harris)
Tring Reservoirs - Wilstone Res, 1 Mandarin (Nick Harris)
Tring Reservoirs - Wilstone Res, 3 Hobby, hunting over the reservoir early evening (Nick Harris)
Tring Reservoirs - Wilstone Res, 11+ Common Tern (Nick Harris)
Tring Reservoirs - Wilstone Res, 1 Water Rail, heard calling from reedbed (Nick Harris)
Tring Reservoirs - Wilstone Res, 1 Yellowhammer, heard singing from hedgerow in field adjacent to the reservoir (Nick Harris)
Tyttenhanger GPs (exact GP not specified) [TL190050] 2 Cuckoo, one calling from top of dead tree in ex-Tree-Sparrow hedge, another more distant (Roger Payne)
Tyttenhanger GPs (exact GP not specified) [TL190050] 2 Lesser Whitethroat, in hedge by upper viewpoint (Roger Payne)
Tyttenhanger GPs (exact GP not specified) [TL190050] 3 Cetti's Warbler, singing around the site (Roger Payne)
Tyttenhanger GPs (exact GP not specified) [TL190050] 3 Reed Warbler, by the causeway (Roger Payne)
Tyttenhanger GPs - Coursers Road GPs [TL200042] 1 Ringed Plover (Rupert Evershed)
Tyttenhanger GPs - Coursers Road GPs [TL200042] 1 Greenshank (Rupert Evershed)
Watton at Stone, 1 Nightingale, Heard singing Fri and sat nights. Still calling today c midday. Not seen. Church Lane. Just past railway station on the left. (Matt holmes)
Sun 3 May 2026 Amwell GP/NR (exact water not specified) [TL373131] 1 Cuckoo (Andy Bartlett)
Amwell GP/NR (exact water not specified) [TL373131] 1 Nightingale (Andy Bartlett)
Amwell NR - Hollycross Lake [TL377131] 2 Hobby (Andy Bartlett)
Cassiobury Park [TQ102966] 1 Firecrest, at Rickmansworth Road entrance. Briefly moved to a tree at the junction of Cassiobury Park Avenue and Rickmansworth Road before returning to original location. (C Luckhurst)
Coopers Green GPs - Stanborough GP [TL209106] 1+ Little Ringed Plover (Alan Gardiner)
Coopers Green GPs - Stanborough GP [TL205111] 3+ Yellow Wagtail (Alan Gardiner)
Coopers Green GPs - Stanborough GP [TL200111] 1 Lesser Whitethroat (Alan Gardiner)
Coopers Green GPs - Stanborough GP [TL202108] 2 Grey Partridge (Alan Gardiner)
Coopers Green GPs - Stanborough GP [TL207111] 1 Swallow, An "Egyptian" Swallow of race Savignii with all dark rust-coloured underparts. Came through with small passage of Swallows west and sat on fence wires by middle pool about 4.30pm (Rupert Evershed)
East Hyde [TL128171] 2 Sedge Warbler (David Lyons)
East Hyde [TL128171] 1 Little Egret (David Lyons)
Great Wymondley [TL208285] 1 Yellowhammer (Callum Peel)
Ickleford [TL183317] 2 Swift (R Ambrose )
Kinsbourne Green nr Harpenden [TL107152] 1 Whitethroat (Clifford Smout)
Kinsbourne Green pit [TL102161] 3 Swallow (Clifford Smout)
Kinsbourne Green pit [TL102161] 2 Oystercatcher, Pair still (Clifford Smout)
Maple Lodge NR (members only), 1 Garden Warbler (Steve Carter )
Maple Lodge NR (members only), 2 Cetti's Warbler (Steve Carter )
Maple Lodge NR (members only), 3 Blackcap (Steve Carter )
Maple Lodge NR (members only), 1 Little Egret (Steve Carter )
Maple Lodge NR (members only), 2 Reed Warbler (Steve Carter )
Maple Lodge NR (members only), 2 Chiffchaff (Steve Carter )
Maple Lodge NR (members only), 1 Cuckoo (Steve Carter )
Panshanger Park [TL286123] 6+ Whitethroat (Dean Ballard)
Panshanger Park [TL286123] 6 Egyptian Goose, 4 young (Dean Ballard)
Panshanger Park [TL286123] c.8 Lapwing (Dean Ballard)
Panshanger Park [TL293123] 2 Reed Warbler (Dean Ballard)
Panshanger Park [TL289125] 2 Cuckoo (Dean Ballard)
Purwell Ninesprings nr Hitchin [TL206293] 1 Reed Warbler, Singing in reedbed (Callum Peel)
Rickmansworth [TQ068943] 1 Cuckoo, Male calling (Anna Marett)
Rickmansworth [TQ068943] 2 Reed Warbler (Anna Marett)
Standon [TL395221] 1 Swallow, flying around barn in Paper Mill Lane. (Richard Melarange)
Stevenage [TL256254] 2 Swift, over Drakes Drive (Andy Day)
Tring, 1 Cuckoo, Dundale Wood (Steve Rodwell)
Tring Reservoirs - Wilstone Res [SP905130] 5 Hobby
Tring Reservoirs - Wilstone Res [SP905130] 1 Common Sandpiper
Tring Reservoirs - Wilstone Res [SP905130] 1 Oystercatcher
Tring Reservoirs - Wilstone Res [SP905130] 2 Cuckoo
Tring Reservoirs - Wilstone Res, 2 Cuckoo, both in trees behind hide at one stage - female flew in to join male (Ian Williams)
Tring Reservoirs - Wilstone Res, 6 Common Sandpiper, between car park and overflow early morning (Ian Williams)
Tring Reservoirs - Wilstone Res, 1 Greenshank, flew through late mornng (Ian Williams)
Tring Reservoirs - Wilstone Res, 6 Hobby, late morning (Ian Williams)
Tring Reservoirs - Wilstone Res, 30+ Swift, mid morning before cloud lifted (Ian Williams)
Tyttenhanger GPs - Coursers Road GPs [TL201041] 2 Oystercatcher, Flew in from South at 8am stayed for about 10 minutes before heading NE then returned about 20 minutes and stayed for another 30 minutes before heading NE again (Andrew Steele)
Tyttenhanger GPs - Coursers Road GPs [TL201041] 4 Little Ringed Plover (Andrew Steele)
Tyttenhanger GPs - Coursers Road GPs [TL200042] 4 Ringed Plover (Steven Pearce)
Tyttenhanger GPs - Coursers Road GPs [TL200042] 3 Little Ringed Plover (Steven Pearce)
Tyttenhanger GPs - fishing lake [TL191052] 1 Common Tern (Steven Pearce)
Tyttenhanger GPs - main GP [TL195051] 1+ Common Tern (Andrew Steele)
Tyttenhanger GPs - main GP [TL196051] c.3 Garden Warbler (Andrew Steele)
Tyttenhanger GPs - main GP [TL197053] 2 Yellow Wagtail, Collecting nesting material from field behind viewpoint (Andrew Steele)
Tyttenhanger GPs - main GP [TL196051] 2 Lesser Whitethroat (Andrew Steele)
Tyttenhanger GPs - main GP [TL196050] 2 Egyptian Goose (Andrew Steele)
Tyttenhanger GPs - main GP [TL196052] 2 Cetti's Warbler (Andrew Steele)
Tyttenhanger GPs - main GP [TL195052] 1 Little Egret (Steven Pearce)
Ware [TL369150] 10 Swift, First screaming party of the year above Trinity Road. (Ian Edwards )
Waterford Heath GP [TL314154] 1 Cuckoo, Singing Male from silver birch tree (David Schwartz)
Sat 2 May 2026 Amwell NR - Great Hardmead Lake, 1 Common Snipe (Jane Free )
Amwell NR - Great Hardmead Lake, 5 Common Sandpiper (Jane Free )
Amwell NR - Great Hardmead Lake, 1 Garden Warbler (Jane Free )
Amwell NR - Great Hardmead Lake, 1 Cuckoo (Jane Free )
Amwell NR - Great Hardmead Lake, 5 Common Tern (Jane Free )
Amwell NR - Great Hardmead Lake, 2 Whitethroat (Jane Free )
Amwell NR - Great Hardmead Lake, 4 Little Ringed Plover (Jane Free )
Ashbrook nr Hitchin [TL203281] 1 Linnet, Male in scrub along Ash Brook (Callum Peel)
Ashbrook nr Hitchin [TL203281] 1 Whitethroat, Singing and seen carrying nest material in scrub along Ash Brook (Callum Peel)
Cheshunt Park [TL351040] 7 Ring-necked Parakeet (David Pausey )
Cheshunt Park [TL351040] 1 Willow Warbler (David Pausey )
Cheshunt Park [TL351040] 2 House Martin (David Pausey )
Cheshunt Park [TL351040] 2 Lesser Whitethroat (David Pausey )
Cheshunt Park [TL351040] 6 Chiffchaff (David Pausey )
Cheshunt Park [TL351040] 9+ Blackcap, All males (David Pausey )
Cheshunt Park [TL351040] 16+ Whitethroat (David Pausey )
Cheshunt Park [TL351040] 2 Grey Wagtail, Male and female (David Pausey )
Coopers Green GPs - Stanborough GP [TL215110] 1 Reed Warbler (Rupert Evershed)
Coopers Green GPs - Stanborough GP [TL215110] 3+ Sedge Warbler (Rupert Evershed)
Coopers Green GPs - Stanborough GP [TL215110] 1 Common Snipe, On middle pool (Rupert Evershed)
Coopers Green GPs - Stanborough GP [TL215110] 1 Wheatear, Male still (Rupert Evershed)
Coopers Green GPs - Stanborough GP [TL215110] 1 Cuckoo (Rupert Evershed)
Coopers Green GPs - Stanborough GP [TL215110] 4+ Little Ringed Plover, 2 pairs (Rupert Evershed)
Coopers Green GPs - Stanborough GP [TL215110] 8+ Yellow Wagtail, At least 4 pairs around site (Rupert Evershed)
Coopers Green GPs - Stanborough GP [TL208111] 2 Mandarin, A pair. (Steven Pearce)
East Hyde, 1 Chiffchaff, heard only (Francis and Janet Dowley)
East Hyde, 1 Blackcap, heard only (Francis and Janet Dowley)
East Hyde, 1 Whitethroat, singing near the bridge (Francis and Janet Dowley)
East Hyde, 1 Little Egret (Francis and Janet Dowley)
East Hyde, 2 Sedge Warbler, singing near the bridge (Francis and Janet Dowley)
East Hyde, 8+ House Martin, around the farm buildings (Francis and Janet Dowley)
Ellenbrook Fields [TL197087] 1 Cuckoo (Alan Gardiner)
Ellenbrook Fields [TL197087] 3 Lesser Whitethroat (Alan Gardiner)
Harpenden [TL154123] 2 Linnet (Jamie Brown)
Harpenden [TL154123] 2 Yellowhammer (Jamie Brown)
Harpenden [TL154123] 2 Whitethroat (Jamie Brown)
Harpenden [TL154123] 1 Chiffchaff (Jamie Brown)
Hatfield [TL217082] 2+ Swift, Screaming birds over garden (Andrew Steele)
Hemel Hempstead, 2 Swift, Woodhall farm (David Denham )
Hitchin [TL185294] 1 Grey Wagtail, Singing on roof beside Sainsbury's car park (Callum Peel)
Hitchin [TL186295] 1 Little Egret, River Hiz near Sainsbury's (Callum Peel)
Ickleford [TL182328] 1 Yellowhammer, Recorded during BBS in Herts section of TL1832 grid square (Callum Peel)
Ickleford [TL182326] 11 Swallow, Recorded during BBS in TL1832 grid square (Callum Peel)
Ickleford [TL183327] 8 Whitethroat, Recorded during BBS in Herts section of TL1832 grid square (Callum Peel)
Ickleford [TL183325] 3 Chiffchaff, Recorded during BBS in Herts section of TL1832 grid square (Callum Peel)
Ickleford [TL182328] 1 Lesser Whitethroat, Recorded during BBS in TL1832 grid square (Callum Peel)
Ickleford [TL183325] 5 Blackcap, Recorded during BBS in Herts section of TL1832 grid square (Callum Peel)
Ickleford Common [TL187326] 1 Cuckoo, Recorded during BBS. Singing around Lower Green Farm and south of Arlesey Road (Callum Peel)
King's Meads nr Hertford [TL339136] 2 Swift (Andrew Steele)
King's Meads nr Hertford [TL339136] 1 Yellow Wagtail (Andrew Steele)
King's Meads nr Hertford [TL339136] 23 Sand Martin (Andrew Steele)
King's Meads nr Hertford [TL339136] 4 Wood Sandpiper (Andrew Steele)
King's Meads nr Hertford [TL339136] 2 Little Ringed Plover, Seen on the flood. Observed mating. (Dickie Greasby)
King's Meads nr Hertford [TL340135] 1 Cuckoo (James Walsh)
King's Meads nr Hertford [TL340135] 2 Lapwing (Matt Allen)
King's Meads nr Hertford [TL340135] 3 Wood Sandpiper (Matt Allen)
King's Meads nr Hertford [TL340135] 1 Great White Egret, Flying over (Matt Allen)
Roydon (Herts/Essex) [TL410110] 1 Cuckoo, singing in Briggens area (James Walsh)
The Withey Beds nr Rickmansworth [TQ078940] 2 Common Snipe (Anna Marett)
The Withey Beds nr Rickmansworth [TQ078940] 1 Reed Warbler, Singing (Anna Marett)
The Withey Beds nr Rickmansworth [TQ078940] 1 Whitethroat (Anna Marett)
Tring Reservoirs - Marsworth Res [SP922137] 10+ House Martin, At least 10 flying around and in and out of the eaves of the lock cottage. Marsworth Lock no. 44 (J.Brady)
Tring Reservoirs - Marsworth Res [SP922137] 1 Osprey, Flew high over lock no. 44 while I was watching a group of house martins. (J.Brady)
Tring Reservoirs - Marsworth Res [SP922137] 10+ Reed Warbler, The reeds around Marsworth were full of Reed warblers, sedge warblers and Reed bunting this morning. (J.Brady)
Tring Reservoirs - Marsworth Res [SP922137] 5+ Swallow, Hunting over the Grand Union canal. (J.Brady)
Tring Reservoirs - Marsworth Res [SP922137] 10+ Sedge Warbler (J.Brady)
Tring Reservoirs - Startop's End Res, 1 Lesser Scaup, drake still by road Tringford corner with 6 tufties (Ian Williams)
Tring Reservoirs - Wilstone Res [SP908133] 4 Common Tern
Tring Reservoirs - Wilstone Res [SP908133] 1 Cuckoo
Tring Reservoirs - Wilstone Res [SP908133] 1 Hobby
Tring Reservoirs - Wilstone Res [SP908133] 2+ Reed Warbler
Tring Reservoirs - Wilstone Res [SP908133] 1 Little Egret
Tyttenhanger GPs - Coursers Road GPs [TL201042] 1 Corn Bunting, Flew towards Willows Farm (Rupert Evershed)
Tyttenhanger GPs - Coursers Road GPs [TL200042] 1 Greenshank, Arrived with rain (Rupert Evershed)
Tyttenhanger GPs - Coursers Road GPs [TL201042] 1 Common Sandpiper, Calling from workings (Rupert Evershed)
Tyttenhanger GPs - Coursers Road GPs [TL200042] 3 Oystercatcher, Arrived with rain (Rupert Evershed)
Tyttenhanger GPs - Coursers Road GPs [TL201042] 2 Little Ringed Plover (Rupert Evershed)
Tyttenhanger GPs - main GP [TL195052] 1 Hobby (Alan Gardiner)
Fri 1 May 2026 Amwell NR - Great Hardmead Lake [TL377128] 4 Cattle Egret, in trees on Island from viewpoint (Andy Bartlett)
Amwell NR - Great Hardmead Lake, 1 Common Sandpiper (Jane Free)
Amwell NR - Great Hardmead Lake, 1 Wood Sandpiper (Jane Free)
Apsley [TL059056] 2 Swift, First seen here this year (Graham Higgins)
Briggens nr Roydon [TL410110] 1 Hoopoe, on lawn at Briggens (Andy Day)
Coopers Green GPs - Stanborough GP [TL215110] 2 House Martin, Collecting mud from middle pool (Rupert Evershed)
Coopers Green GPs - Stanborough GP [TL215110] 1 Wheatear, Male (Rupert Evershed)
Coopers Green GPs - Stanborough GP [TL215110] 2 Swift (Rupert Evershed)
Coopers Green GPs - Stanborough GP [TL215110] 10+ Swallow, Over Symondshyde Farm (Rupert Evershed)
Coopers Green GPs - Stanborough GP [TL215110] 4+ Little Ringed Plover, 2 pairs (Rupert Evershed)
Coopers Green GPs - Stanborough GP [TL215110] 1 Sand Martin (Rupert Evershed)
Coopers Green GPs - Stanborough GP [TL215110] 6+ Yellow Wagtail, In fields along track (Rupert Evershed)
Coopers Green GPs - Stanborough GP [TL215110] 1 Stonechat, Male (Rupert Evershed)
Coopers Green GPs - Stanborough GP [TL215110] 1 Sedge Warbler (Rupert Evershed)
East End Green [TL299107] c.7 Whitethroat (Andrew Steele)
East End Green [TL299107] 1 Cuckoo (Andrew Steele)
East End Green [TL299107] 1 Yellow Wagtail (Andrew Steele)
East End Green [TL299107] c.12 Reed Warbler (Andrew Steele)
East End Green [TL299107] 2 Lesser Whitethroat (Andrew Steele)
East End Green [TL299107] 3 Garden Warbler (Andrew Steele)
East End Green [TL299107] 4 Sand Martin (Andrew Steele)
East Hyde, 2+ Sedge Warbler, R/H bridge side near gulley (Russell Harvey)
East Hyde, 1 Common Snipe, In the gulley r/h side of bridge (Russell Harvey)
King's Meads nr Hertford [TL340135] 2 Stonechat, m & f (Andy Day)
King's Meads nr Hertford [TL340135] 2 Lesser Whitethroat, Singing (Andy Day)
King's Meads nr Hertford [TL340135] 6 Wood Sandpiper, still on flood (Andy Day)
King's Meads nr Hertford [TL340135] 1 Cuckoo, Park mead (Andy Day)
King's Meads nr Hertford, 1 Little Ringed Plover (Steve Chilton)
King's Meads nr Hertford, 7 Wood Sandpiper, Park Mead. Till 16.40pm atleast. (Steve Chilton)
Maple Cross [TQ024923] 1+ Linnet (Chris Bessant)
Maple Lodge NR (members only) [TQ037920] 3+ Reed Warbler (Chris Bessant)
Maple Lodge NR (members only) [TQ037920] 2 Red-crested Pochard, Pair (Chris Bessant)
Maple Lodge NR (members only) [TQ037920] 2 Garden Warbler (Chris Bessant)
Stevenage - Fairlands Valley Park Lakes - N of Six HIlls Way [TL253240] 2 Common Sandpiper (Tom Speller)
Stevenage - Fairlands Valley Park Lakes - N of Six HIlls Way, 2 Whitethroat, 2 singing males (Tom Speller)
Stocker's Lake, 2 Common Tern (Steve Carter )
Tewin [TL278146] 1 Yellowhammer (Aaron Clements-Partridge)
Tewin [TL284143] 4 Swallow (Aaron Clements-Partridge)
Tewin [TL279141] 2 Swallow (Aaron Clements-Partridge)
Tring Reservoirs - Wilstone Res, 5 Little Egret (Ian Williams)
Tring Reservoirs - Wilstone Res, 1 Shelduck, female early morning (Ian Williams)
Tring Reservoirs - Wilstone Res, 5 Cattle Egret, flew through west at 6am (Ian Williams)
Tring Reservoirs - Wilstone Res, 2 Common Sandpiper (Ian Williams)
Tyttenhanger GPs - Coursers Road GPs [TL200043] 1 Wood Sandpiper (Rupert Evershed)
Tyttenhanger GPs - Coursers Road GPs [TL200043] 1 Greenshank (Rupert Evershed)
Waterford Heath GP [TL319147] 1 Lesser Whitethroat, Singing in pond area in centre of South Heath (Callum Peel)
Waterford Heath GP [TL319147] 1 Whitethroat, Singing in pond area in centre of South Heath (Callum Peel)
