July 7, 2000
What the White-Crowned Sparrow's Song Can Teach Us About Human Language
Do birds have language? Some linguists insist that language must include grammar; under that definition, only humans have language. But ethologists have no qualms about calling birds' utterances language. A long-term study by Nicholas Collias, of the University of California at Los Angeles, for instance, has found that chickens use nine distinct sounds
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