Dogs are Among World’s Most Destructive Mammals (per report)

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They’re invading nature preserves and national parks. They’re forming packs, some 15 dogs strong, and are hunting wild prey. They’ve muscled out native predators such as foxes and big cats in nature preserves, outnumbering pumas 25 to 1 and ocelots 85 to 1.

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Every year, they become still more plentiful, spreading diseases, disrupting natural environments, goosing scientists who set up elaborate camera systems to photograph wild animals, only to come away with pictures of curious canines.

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In New Zealand, the organization reported, a single German shepherd once did in as many as 500 kiwis — and that was the conservative estimate.

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