Chaffinch. Edmund Fellowes

The Chaffinch population has fallen by a quarter in just five years.

Identifying Marsh Tit and Willow Tit

BTO bird identification videos are supported by Natureguides

Natureguides kindly provide species video clips for our bird identification videos.

Scottish Birdwatchers' Conference

Every year the Scottish Ornithologist's Club arrange a one-day Scottish Birdwatchers’ Conference, organised by a local branch of the SOC, in conjunction with BTO Scotland.

Tagged Lesser Black-backed Gull. Gary Clewley

Article

Bird tracking - a masterclass

Phil Atkinson explains the technology behind tracking.

Chaffinch and Greenfinch. Edmund Fellowes

Case Study

What we can learn from 25 years of watching gardens

Exploring the value of a complete quarter-century of weekly garden bird observations from BTO's Garden BirdWatch covering the length and breadth of the country.