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 ...

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 ...

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 ...

Upcoming events for BTO volunteers and supporters in Scotland. Be one of the first to know about future training courses, events and our wider work in Scotland by signing up to receive the BTO ...

Commonly referred to as the UK Red List for birds, the status of birds has now been reviewed five times, covering the UK, Channel Islands and Isle of Man. The latest review was published in December ...

From walks and talks to our annual conference, BTO runs plenty of youth events and training throughout the year. Browse the listing below and use the filters to find an event that's right for you.

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

BTO offers several products and services that work alongside the Acoustic Pipeline to help provide an end-to-end workflow for acoustic monitoring. The Acoustic Pipeline Tools is a Shiny application ...

Although the primary focus of BTO's research work is in supporting the delivery of Action Area outcomes, it is largely structured around a series of themes, from tackling the declines in our breeding ...

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.

Waterbirds in the UK presents the results of the annual Wetland Bird Survey. Since 2022, Waterbirds in the UK has also been the primary reporting mechanism for the Goose and Swan Monitoring Programme.

A new report published today by the British Trust for Ornithology (BTO), in partnership with RSPB and JNCC, reveals impacts of Avian Influenza on Mute Swans across the UK. The Wetland Bird Survey ...