Birds of Estuaries Enquiry 1976-77 to 1978-79

Author(s): Marchant, J.H. (ed.)

Published: January 1981

Publisher: BTO, Tring

BirdTrack migration blog – early spring

It may still feel like winter but for some species, the increasing temperatures and lengthening days have already kick-started spring migration, with birds starting to arrive and depart across Britain and Ireland.

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BTO Data Reports

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

Tagged Lesser Black-backed Gull. Gary Clewley

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Bird tracking

Phil Atkinson explains the technology behind tracking.

Birds of Estuaries Enquiry 1976-77 to 1978-79

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