Bald eagle diet shift enhances conservation

An unprecedented study of bald eagle diet, from about 20,000 to 30,000 years ago to the present, will provide wildlife managers with unique information for reintroducing Bald Eagles to the Channel Islands off California. ...

Prehistoric teeth give up their secrets

The isotope values of food consumed are reflected in the individual's tissues. As bone is constantly being turned over by remodelling, analysing the stable isotope ratios of bone collagen can shine a light on the main dietary ...

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