At least some polar bears in the western Hudson Bay population are using flexible foraging strategies while on land, such as prey-switching and eating a mixed diet of plants and animals, as they survive in their rapidly changing environment, new research suggests.
Fuente : http://feeds.sciencedaily.com/~r/sciencedaily/~3/v...
Fuente : http://feeds.sciencedaily.com/~r/sciencedaily/~3/v...



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La prevención del VIH no llega a las jóvenes sudafricanas

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