Support us

Become a member

Support our work by becoming a BTO member. You’ll receive great benefits too..

Join the BTO and receive Tweet of the Day
Join the BTO - become a member

..and receive BBC Radio 4 - Tweet of the Day 'Lovely book...informative and hugely enjoyable' Chris Packham.


Gift membership

BTO gift membership makes the perfect gift for anyone interested in birds and includes the free membership gift as above.

Current Appeals

Our appeals raise funds for key projects.

Bullfinch by Rosie Rees

Beyond the maps
Help us with our ambitious two year programme of scientific research using data from Bird Atlas 2007–11 to inform conservation actions for birds. 

Great Spotted Woodpecker by Jill Pakenham

Garden BirdWatch Appeal
Help us uncover garden secrets and answer some key questions.

House Martin by Doug Welch

House Martin Appeal
Help us solve the mystery of House Martin migration through geolocator-tagging.


Fundraising activities


Raise funds for the BTO by cycling, walking  or running, or celebrate a birthday or anniversary with us. 




Remember Britain’s birds in your will.



Donate to support our work

The BTO's work is dependent on charitable giving. Please make a donation to support our work, and together we can develop our understanding of the ever-changing fortunes of Britain’s birds and make a real difference to their future.

Donate to support the work of the BTO


Corporate support

BTO Corporate Membership


The BTO - Looking out for birds with Business. Find out more about the BTO's new Corporate Membership Scheme and other ways in which we work with business


Business partnerships

Gardman logo

Opticron logo

BirdGuides logo