Date:
March 18, 2014
Source:
University of New South Wales
Summary:
Researchers studying bottlenose dolphins that use sponges as tools to protect their sensitive beaks has shown that social behavior can shape the genetic makeup of an animal population in the wild. The research on dolphins in Shark Bay in Western Australia is one of the first studies to show this effect -- which is called cultural hitchhiking -- in animals other than people.
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