This calendar has been compiled by the Hertfordshire Natural History Society (HNHS) on behalf of natural history organisations in Hertfordshire. The type of event is colour coded: Outdoor events, Indoor meetings.

Wed 27 Nov 2019 (8pm)

Gerald Salisbury Memorial Lecture

The annual lecture, organised jointly by Welwyn Natural History Society and HNHS, will take place at Welwyn Civic Centre, Civic Centre, Prospect Place, Welwyn, AL6 9EN

Speaker: Graham White, RSPB Head of Reserves Ecology 

Have I got Poos for You!  The identification of animal droppings and its contribution to practical conservation.

Organised by: Hertfordshire Natural History Society

Fri 06 Dec 2019 (7.30pm)

Patrick Barkham - 'Islander'

Talk by Patrick Barkham ‘Islander’

Patrick is an author and nature writer for The Guardian, and he will take us on a journey around some of Britain’s smallest islands, meeting their wild residents, from Bonxies to Orkney voles. He explores how small islands can be ecological laboratories, warning signs and sanctuaries.

At The Settlement, Letchworth SG6 4UB. Visitors very welcome £3.

Organised by: Hitchin and Letchworth RSPB group

Sat 07 Dec 2019 (9.30am - 4pm)

Walk visiting Rye Meads & Amwell reserves

A full day walk at Rye Meads / and HMWT Amwell.  The walk will conclude by viewing the Amwell gull roost.

Meet in Rye Meads reserve car park at 9.30am. Postcode: SG12 8JS 


Organised by: RSPB South East Herts Group

Wed 18 Dec 2019 (10am)

Christmas walk from Batford Springs to Leasey Bridge

A walk along the Lea Valley from Batford Springs to Leasey Bridge and return. Followed by an optional lunch at a local pub.

Harpenden, meet by the bridge across the River Lea at Batford Springs .

Please tell Geoff Horn in advance if you wish to join the lunch (

Organised by: RSPB Harpenden Local Group