Songbirds set long-distance migration record

Researchers at Lund University in Sweden have studied flight routes to determine how far willow warblers migrate in the autumn. The results show that the willow warbler holds a long-distance migration record in the ten-gram ...

Who's your daddy? Infidelity and paternity in reed warblers

Many species pair for life, or so the story goes. In reality, there is quite a bit of cheating going on. Both male and female partners may have "affairs" outside the pair bond. In such cases, how is a male to know if the ...

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