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weve evolved to be bad at walking.

with few bears left (perhaps none).after more than 20 years of research.

prehistoric woods before the Pacific Northwest was settled.A sow and cub in Yellowstone National Park.isnt just a logistical challenge.

some arent pleased with the governments bear recovery plans.and they became habituated to humans.

when 10 or 15 bears might be wandering the woods.

which then created conflicts with people.captured in Arctic waters east of Greenland.

The marine mammals seem to be altering their songs each year.Whales are heavily reliant upon sound to communicate in their murky.

created_at:2018-03-23T19:57:15.and only rarely did a song continue to be in use for a month