Not all non-native species are totally terrible! Here are six of them can actually do more good than harm.

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BROWN TREE SNAKE Credit: Pave
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HORSES
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WILLOW...

The world's largest scientific archive of animal signal recordings, the Macaulay Library of Natural Sounds, is partnering with other institutions to co-curate and digitize an enormous archive of animal audio and video recordings from...

Wildlife biologist Sarah Stock, who is an ornithologist specializing in owls, has worked in the Wildlife Management branch of the Resource Management & Science division in Yosemite National Park since 2006.