08/04/2009

Owls' dawn and dusk concerts promote visual communication

Reporting in the online, open-access journal PLoS ONE April 8, Vincenzo Penteriani and Maria Delgado of the Estacion Biologica de Doñana, Spain, describe the evolution of white throat badges in association with dawn and ...

Plants & Animals

Apr 8, 2009

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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, ...

Plants & Animals

Apr 8, 2009

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