UF study finds that ancient mammals shifted diets as climate changed

		IMAGE: This fossilized horse (Equus) tooth shows where a series of enamel samples have been drilled to help identify seasonal fluctuations in the animal’s diet. This horse lived ~1.9 million years... Click here for more information.

GAINESVILLE, Fla. --- A new University of Florida study shows mammals change their dietary niches based on climate-driven environmental changes, contradicting a common assumption that species maintain their niches despite global warming.