Mental Math Helps Monk Parakeets Find their Place in Pecking Order (IMAGE)

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Mental Math Helps Monk Parakeets Find their Place in Pecking Order

Caption

A study of aggression in monk parakeets suggests that where they stand in the pecking order is a function of the bird's carefully calibrated perceptions of the rank of their fellow-feathered friends.

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Katja Schulz/Flickr

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