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Female giraffes drove the evolution of long giraffe necks in order to feed on the most nutritious leaves, new research suggests

By Douglas R. Cavener, Huck Distinguished Chair in Evolutionary Genetics and Professor of Biology, Penn State
Giraffe necks are a hot topic among biologists. A new study contradicts an older theory that says male giraffes need long necks to fight over mates.The Conversation

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