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6 March 2014 1:04 pm ,
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Antiretroviral drugs can protect people from becoming infected by HIV. But so-called pre-exposure prophylaxis, or PrEP...
Two studies show that eating a diet low in protein and high in carbohydrates is linked to a longer, healthier life, and...
Considered an icon of conservation science, researchers at World Wildlife Fund (WWF) headquarters in Washington, D.C.,...
The new atlas, which shows the distribution of important trace metals and other substances, is the first product of...
Early in April, the first of a fleet of environmental monitoring satellites will lift off from Europe's spaceport in...
Since 2000, U.S. government health research agencies have spent almost $1 billion on an effort to churn out thousands...
Magdalena Koziol, a former postdoc at Yale University, was the victim of scientific sabotage. Now, she is suing the...
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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.