Reed warblers have a sense for magnetic declination

Researchers recently showed that migratory reed warblers depend on an internal geomagnetic map to guide them on their long-distance journeys. But it wasn't clear how the birds were solving the relatively difficult "longitude ...

A songbird's travelogue

Biologists at the University of Utah recently used light-weight geolocation technology to follow a species of songbird on its 10,000-kilometer migration from the Middle East to sub-Saharan Africa. The study, published October ...

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