Skip to main content

Learn more about the Urban Appeal

Identifying Kestrel and Merlin

This video looks at two often confused falcons, the Kestrel and Merlin, and discusses the key features for separating the two.

BTO bird identification videos are supported by Natureguides

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

Related content

Cuckoo 161318 portrait

Celebrating PJ

One bird, twelve journeys, 60 000 miles and invaluable scientific data: PJ the Cuckoo has left an incredible legacy.

Bewick's Swan. Chris Knights

BTO Data Reports

Our reports provide rigorous scientific information to inform Environmental Impact Assessments in the UK.

Tagged Lesser Black-backed Gull. Gary Clewley

Bird tracking — a masterclass

Phil Atkinson explains the technology behind tracking.