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Animal Behavior
Northwestern crow steals politely from kin, aggressively from strangers
March 31st, 2003
Researchers at the University of Washington have found a species of crow that distinctly alters its behavior when attempting to steal food from another crow, depending on whether or not the other bird is a relative. The Northwestern crow (Corvus caurinus) uses a passive strategy when it attempts to take food from kin but becomes aggressive when it tries to steal a morsel from a non-related crow. This is believed to be the first time that such a behavior pattern has been observed in any bird species. The findings were published in the journal Bird Behavior by Renee Robinette Ha, a UW lecturer in psychology, and James Ha, a research...
Source: Life Science Weekly (2003-03-31)
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