A review of the chimpanzee literature provides enough preliminary support for this prediction to warrant more detailed testing. On February 16, 2009, Travis attacked and mauled his owner's friend in Stamford, Connecticut, blinding her, severing several body parts and lacerating her face, before he was shot and killed by a responding police officer. These attacks should also concur with between-community infanticide. TRAVIS the chimpanzee was adopted at the age of three by a young Connecticut couple who happily paid 50k for the animal in 1998. Travis was a male common chimpanzee who, as an animal actor, appeared in several television shows and commercials, including spots for Coca Cola, as well as on television programs including The Maury Povich Show and The Man Show, which is disputed. Thus, fatal attacks on females should be concentrated in communities with low reproductive skew. It also predicts that more males gain a benefit from attacking females as the community's reproductive skew decreases, i.e., as mating success is more evenly distributed. The model predicts that it is advantageous for high-ranking males but not for low-ranking males to attack females. We develop a simple mathematical model based on reproductive skew among primate males to solve this puzzle. This is surprising given their system of resource defense polygyny, where males are expected to acquire potential mates. In some communities, chimpanzee males also severely attack and even kill females of the neighboring groups.
The Umatilla County Sheriffs Office said the chimpanzee, who had. Our closest nonhuman primate relatives, chimpanzees, engage in potentially lethal between-group conflict this collective aggressive behavior shows parallels with human warfare. A deputy shot and killed an adult pet chimpanzee named Buck after it attacked a woman in Eastern Oregon, sheriffs officials said.
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