overwintering Archives - British Ornithologists' Union

A tale of two Twites

By Jente Ottenburghs|2020-12-15T12:44:30+00:009 Apr 2020|bird movements, distribution, Farmland birds, Migration, News, overwintering, population dynamics, ringing|

Do British and Scandinavian Twite populations mix during migration?

Carry-over effects across the annual cycle

By Steve Dudley|2016-02-01T07:30:49+00:001 Feb 2016|corticosterone, feathers, overwintering, population dynamics|

The Louisiana Waterthrush