Competition from cats drove extinction of many species of ancient dogs

12 agosto 2015

Competition played a more important role in the evolution of the dog family (wolves, foxes, and their relatives) than climate change, shows a new international study. Researchers analyzed over 2000 fossils and revealed that the arrival of felids to North America from Asia had a deadly impact on the diversity of the dog family, contributing to the extinction of as many as 40 of their species.
http://www.sciencedaily.com/releases/2015/08/150812103827.htm

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