New migratory bird paper

May 15, 2014

Why do migratory birds sing on their non-breeding grounds in Africa during the northern winter? It’s long been assumed that they are defending individual non-breeding territories, but by means of field experiments and radio-tracking of Willow Warblers in the field in Zambia, PhD student Marjorie Sorensen shows that the winter lives of Palaearctic-African migrants can be much more social and intriguing: read the full paper in Behavioral Ecology.

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