The go-to species for personality research has, more often than not, been the easy-to-study Great Tit. Great Tits can’t be asked to fill out a questionnaire or to undertake a psychometric test, and so ...

The American wood warblers are similar in in size, shape and habits to the old world warblers, to which they are not at all related, though they are generally rather more colourful, particularly the ...

As the name suggests, the three species of Tropicbird are usually to be found wandering the tropical oceans. They are very distinctive white birds with two long tail streamers. Their supposed ...

Perhaps the most graceful of seabirds, their buoyant flight and long tail-streamers means they well deserve their alternative name of sea-swallows. Found throughout the world, they are summer visitors ...

BTO Research Reports are scientific papers that have been self-published by the BTO. The following is a full list of the published BTO research reports. Most are free to download, and links to ...

‘Biodiversity’ describes the variety of life in an area. It can be measured in areas as small as a back garden and as big as the entire Earth, and encompasses everything from genetic diversity and ...

In addition to the formal trends and research papers that emerge from analysis of BTO Garden BirdWatch data, we also present data summaries for the core species that we monitor, together with basic ...

Spend any time watching your gardens birds and you'll soon discover a host of different behaviours. It might be a Blackbird preening its feathers, a group of Starlings whirling about the sky in a ...

We were proud to host Bird Camps in all four countries again in 2024! BTO Youth organised Bird Camps in England, Wales and Northern Ireland, and worked in partnership with our friends at SOC for a ...

BTO data and expertise are continuing to make a significant contribution to our understanding of climate change impacts on birds, and informing mitigation and adaptation responses. An increasing body ...

Welcome to the BTO Acoustic Pipeline Support Hub. Here you can find guides, technical requirements, information about equipment and other resources to help you ...

Collecting information on birds’ breeding success by monitoring nests, whether in your garden or out in the wider countryside, is a hugely enjoyable and rewarding experience that provides incredibly ...