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Arctic Tern. Edmund Fellowes

Identifying Blackcap and Garden Warbler

BTO bird identification videos are supported by Natureguides

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

Related content

Curlew tagging in Wales. Rachel Taylor

Understanding Curlew populations in Wales

Several tracking projects combine to determine the migration routes, wintering locations and breeding season movements of Welsh Curlew.

Tagged Lesser Black-backed Gull. Gary Clewley

Bird tracking — a masterclass

Phil Atkinson explains the technology behind tracking.

Herring Gulls with chicks. Edmund Fellowes

Working together for seabirds

BTO work supports effective monitoring of our seabirds and aims to provide opportunities for a new generation of seabird surveyors.