British Ornithologists' Union. Records Committee: Fifteenth Report (April 1991)

Author(s): Marchant, J.H.

Published: January 1991

Journal: Ibis Volume: 133

Digital Identifier No. (DOI): 10.1111/j.1474-919X.1991.tb04594.x

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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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Raptor ID (2 sessions, Wednesdays 10am)

The training will consist of two weekly online sessions of about 2 hours each, complemented by supported self-study exercises which will be provided after each session. The training will be run by BTO staff members Nick...

Tagged Lesser Black-backed Gull. Gary Clewley

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Phil Atkinson explains the technology behind tracking.

British Ornithologists' Union. Records Committee: Fifteenth Report (April 1991)

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