Showiness of Neotropical birds in relation to ectoparasite abundance and foraging stratum

Author(s): Walther, B.A., Clayton, D.H. & Gregory, R.D.

Published: January 1999

Journal: Oikos Volume: 87

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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Bird tracking

Phil Atkinson explains the technology behind tracking.

Showiness of Neotropical birds in relation to ectoparasite abundance and foraging stratum

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