Moose use roads as a defence against bears

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The idea that prey protect themselves by hanging around roads and people has been suspected for some time. “We have seen elk congregating around human areas in Banff National Park in Canada, and deer clustering along the edges of roads in the Rocky Mountains, and always thought there was something more to this,” says Dave Augeri, a conservation biologist at the Denver Zoological Foundation in Colorado. Now, research conducted by Joel Berger of the Wildlife Conservation Society, in Teton Valley, Idaho, puts hard evidence behind these suspicions.