Six on Geography and Science: Bears Make Their Beds, and Soon They’ll Lie in Them

[philip panaritis]

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Bears Make Their Beds, and Soon They’ll Lie in Them

"When choosing a den, “security is the most important thing,” said Kilham. “It has nothing to do with warmth. They carry their warmth with them.”

Favored denning sites include hollow trees, if a bear can find one big enough – about three feet in diameter. Bears will also excavate dens under tree stumps, below the root mass of a blown-over tree, and beneath brush piles. Sometimes they use rock dens, typically along the base of a ledge. Some bears simply create ground nests, usually in areas of dense softwood, where there is some shelter from falling snow."

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