On Earth Day, scientists want you to know that more and more animals are becoming extinct. More than 800 animals have gone extinct or extinct in the wild over the last 500 or so years, according to the International Union…

Apr 09

Why some animals eat their young

Not all animals are cut out for motherhood. Some will abandon, neglect, even kill their own young. It's part of nature, biologists say. But when animals in zoos kill their own babies, zookeepers become "mom". It's not an easy job.

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