Not Only Dogs, but Deer, Monkeys and Birds Bark to Deal with Conflict

(PhysOrg.com) -- Biologically speaking, many animals besides dogs bark, according to Kathryn Lord at the University of Massachusetts Amherst, but the evolutionary biologist also says domestic dogs vocalize in this way much more than birds, deer, monkeys and other wild animals that use barks. The reason is related to dogs` 10,000-year history of hanging around human food refuse dumps, she suggests.

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