The same group of experts undertook a parallel exercise to assess the extinction risk of all bird species for Great Britain (the geographical area at which all other taxa are assessed) using the ...

BTO holds data and information on avian distributions, abundance and demography (and on habitats and other animals) that are of great value for conservation management, site safeguard, species ...

Thank you for your interest in working with BTO. Whether full-time, part-time or a temporary placement, here’s where you'll find our latest vacancies, work experience, volunteering and opportunities ...

Report birds with rings, tags or other marks. You can report rings and tags found on live or dead birds. This contributes valuable data to our research, helping our researchers determine bird ...

Avian influenza (bird flu, avian flu) — the disease, its impacts and our work. At BTO, we are dedicated to tackling the challenge of avian influenza. Here you’ll find more information on the virus and ...

A black crow flies over - but is it a Crow, a Rook or even a Raven? Let this video help you to separate these confusing species, along with their smaller cousins: Jackdaw and Chough.

Sandwich Terns, Little Terns and Roseate Terns are relatively similar in plumage and habit, making them tricky to identify. Watch this identification video to learn the key features needed to separate ...

Austin, G.E. & Crick, H.Q.P. 1994. Breeding phenology of Curlew. Analysis of Nest Record cards from the British Trust for Ornithology Nest Record Scheme.

Discover a wealth of information on the UK's birds by exploring our data, and reading our articles and blog posts. From discovering the latest information on the birds on your doorstep, to ...

Our science is focused, objective and impactful, driving positive change for birds and nature. It encompasses both monitoring and research. On this page you can find out more about our science, our ...

Providing supplementary food can support birds and bring you joy. Learn when to feed, how to choose the right foods to support a wide range of species, and how to keep your feeders clean. Putting up ...

In winter, thousands of geese flock to the UK to escape the freezing conditions in their more northerly breeding grounds. Telling Pink-footed, White-fronted and Bean Geese apart can be tricky. Feral ...