BTO has been at the forefront of bird monitoring and research since we were founded in 1933, and since that time we have accrued a vast body of knowledge. Sharing our understanding of birds is an important part of our work, helping to invigorate and inform our vital volunteer base and inspire the next generation of ornithologists to tackle the conservation challenges of the future.
BTO strives to provide a deeper understanding of birds their behaviour. BirdFacts is a one-stop shop for data on British birds.Read our masterclass articles covering one aspect of ornithology in depth. Let us recommend what to read next in our book reviews.
A collaboration between 70 authors and 70 artists with a single goal: to raise funds for conservation work focused on our most at-risk birds.
Almost a third of UK bird species are in population free fall, and as a result our lives are diminished. Profits from the sale of this book will be donated to BTO and The Rare Breeding Birds Panel to further their work on Red-listed birds.
Search for a bird species on BirdFacts
BirdFacts gives in depth information about all of the bird species recorded in the wild in Britain. For each one, BirdFacts is a one stop shop for details of its abundance, distribution, population trends, demographic factors and biometrics, along with other fascinating facts and trivia.
Birds and pollution — a masterclass
Increasing human activity brings more pollution into the environment. This can take many forms and can affect birds in a number of ways, as Nina O'Hanlon explains.
Bird Song Basics - Collared Dove and Woodpigeon
In this video, Training manager Nick Moran explains the differences between Collared Dove and Woodpigeon songs
BTO Avian Influenza Appeal
Avian influenza has devastated seabird colonies and now threatens our wintering migrant birds. Support our research - donate to our Avian Influenza Appeal today.
BTO Data Reports
Our reports provide rigorous scientific information to inform Environmental Impact Assessments in the UK.
Too wet to nest?
A common issue that many analysts of biological data encounter is that of detectability. For a human population we can (in principle) count every individual. For wildlife though, things are trickier, and only rarely is...
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