Every donation makes a difference. Whether you make a monthly donation or give a one-off gift, support the area of our work that means the most to you. Please also see our past appeals page for more detail about how donations of all shapes and sizes have helped fund important work.
Acoustic Appeal
Acoustic monitoring is a powerful tool that we can use to gain new insights into our ecosystems, and support conservation.
Help us unlock its potential – donate today!
Support our Surveys
With unprecedented pressures on funding, we need your help now more than ever to continue our essential surveys.
Biodiversity Loss Appeal
Biodiversity loss is a key driver of bird population decline in the UK – but there is hope.
Raptors Appeal
Support our vital work to increase raptor monitoring, for their effective conservation.
Avian Influenza Appeal
Bird flu has devastated seabird colonies and now threatens our wintering migrant birds.
BTO Youth Appeal
Young people are the future of BTO – help us reach out, support and inspire them.
Cuckoo Tracking Appeal
Sponsor a Cuckoo on their incredible journey from Britain and Ireland to Africa.
Our Lost Seabirds Appeal
The UK’s seabirds are struggling – they urgently need our help and protection to survive.
Operation Wader
Help us tackle the plummeting decline of breeding wader populations in the UK.
Urban Appeal
What does the future hold for birds in urban spaces? Make a difference – donate today.
Become a Custodian
Harry Forbes Witherby was a visionary ornithologist.
Follow in his footsteps – help us care for birds and nature.