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Gannet resting on a rock
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Birds and pollution — a masterclass

Increasing human activity brings more pollution into the environment. This can take many forms and can affect birds in a number of ways, as Nina O'Hanlon explains.

Greenfinch and Chaffinch, Edmund Fellowes

Disease in birds - a masterclass

Disease can have serious implications for our wild bird populations, as Wildife Vets from the Zoological Society of London explain.

Lesser Black-backed Gull. Sam Whitfield

Gulls allowed?

Stories of rampaging 'seagulls' dominate column inches in the holiday season. Our BTO gull experts take a look at the facts behind the headlines.

Blue Tit in flight. Philip Croft

A Blue Tit diary

Hazel McCambridge walks through the diary of an average Blue Tit during the breeding season.

Tagged Lesser Black-backed Gull. Gary Clewley

Bird tracking — a masterclass

Phil Atkinson explains the technology behind tracking.

Whooper Swan. Sarah Kelman

Bird migration - a masterclass

Steve Portugal explains why and how birds undertake long and perilous migratory journeys.

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