Public Library of Science

Wild chimpanzees exchange meat for sex

Wild female chimpanzees copulate more frequently with males who share meat with them over long periods of time, according to a study led by researchers from the Max Planck Institute for Evolutionary Anthropology in Germany, ...

dateApr 08, 2009 in Plants & Animals
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Crows show advanced learning abilities

New Caledonian crows have, in the past, distinguished themselves with their advanced tool using abilities. A team of researchers from the University of Auckland and the University of Cambridge have now shown these crows can ...

dateDec 14, 2011 in Plants & Animals
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Bats adjust their 'field-of-view'

A new study reveals that the way fruit bats use biosonar to 'see' their surroundings is significantly more advanced than first thought. The study, published September 13 in the online, open access journal PLoS Biology, examines ...

dateSep 13, 2011 in Plants & Animals
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