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Science 16 April 2004:
Vol. 304. no. 5669, p. 373
DOI: 10.1126/science.304.5669.373a
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News of the Week

BEHAVIORAL ECOLOGY:
Songbirds Check Compass Against Sunset to Stay on Course

Erik Stokstad

Researchers report on page 405 that night-flying thrushes set their course using a magnetic compass, which they calibrate to the setting sun before takeoff each evening.

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Science. ISSN 0036-8075 (print), 1095-9203 (online)