A world inspired by birds and informed by science.
Making birdwatching count
We empower 60,000 bird-enthusiasts to gather vital data, develop their skills and be part of a vibrant community.Championing impartial science
We answer the most pressing questions about birds, through our thorough and impartial scientific research.Sharing our bird knowledge
We communicate our knowledge and expertise to increase the value of birds and other wildlife for all.
Find a project
POPULAR: Heronries Census Wetland Bird Survey Garden BirdWatch Cuckoo Tracking Project Breeding Bird Survey
Use our project finder to find the project that matches your level of bird expertise and the time you have available.

Join BTO today
Support BTO by becoming a member, and receive a wonderful welcome gift - our great BTO guide to Common British Birds.
Gift memberships are also available.

Develop your skills
Let us help you to improve your birding, fieldcraft and surveying skills. Browse our range of helpful guides and programme of training courses.
More ways we work

Article
Understanding Curlew populations in Wales
Several tracking projects combine to determine the migration routes, wintering locations and breeding season movements of Welsh Curlew.

Publication
Identifying small mammals from their high-pitched squeaks
Research published in British Wildlife by a team led by the BTO provides new possibilities for sound identification to be used as a non-invasive survey method.

News
BTO and COVID-19
BTO statement on participating in surveys during the Coronavirus pandemic (UPDATED- 12.02.2021).