Invasive species are imported as livestock, pets and attractions in zoos. Some hitch rides on plants, on the bottom of a boot, in the ballast of ships. Then they wreak havoc. Here's how we're ...
The wildlife you see on your next hiking trip? The rustle in your backyard at night? It might not be a raccoon or a deer. A steady increase in the population of wild pigs — a marauding, non-native ...
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