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10 April 2014 11:44 am ,
Vol. 344 ,
Balkan endemic kidney disease surfaced in the 1950s and for decades defied attempts to finger the cause. It occurred...
The Pyrenean ibex, an impressive mountain goat that lived in the central Pyrenees in Spain, went extinct in 2000. But a...
Tight budgets are forcing NASA to consider turning off one or more planetary science projects that have completed their...
Ebola is not a stranger to West Africa—an outbreak in the 1990s killed chimpanzees and sickened one researcher. But the...
In an as-yet-unpublished report, an international panel of geoscientists has concluded that a pair of deadly...
Tropical disease experts tried and failed before to eradicate yaws, a rare disfiguring disease of poor countries. Now,...
Since 2002, researchers have reported that agricultural communities in the hot and humid Pacific Coast of Central...
- 10 April 2014 11:44 am , Vol. 344 , #6180
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ScienceShot: Is a Warbler Local? Listen to His Song
6 May 2010 11:28 am
Female warblers love a man who knows his way around town. And she can tell who that is simply by listening to his call, according to a study published online in the journal Animal Behaviour. Researchers found that older great reed warbler (Acrocephalus arundinaceus) males were more accomplished singers than younger males, being able to perform tricky double-syllable whistles, compared with the monosyllabic whistles of younger males. Also, the more a male—young or old—remained true to a particular locale, the more consistent his performances were. Males with the most sophisticated and consistent whistles had the largest harems, suggesting that females are listening for a mate who knows where to find food, build nests, and avoid predators in the region.
See more ScienceShots.