News of the WeekBehavioral Ecology

Smart Birds Lend a Beak for Food

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Science  28 Mar 2008:
Vol. 319, Issue 5871, pp. 1746
DOI: 10.1126/science.319.5871.1746a

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Scientists report this week that rooks, like chimpanzees, can cooperate in food-getting tasks. The insight may help explain how cooperation evolved so spectacularly in humans.