Its strong, hooked claws allow it to scramble up trees to escape many predators, such as the domestic dog or the coyote, or to reach tree-bound or arboreal food sources.
****It can climb branchless, vertical trunks to heights of 18 meters (59') and jump from branch to branch. It descends primarily by jumping from branch to branch, or by descending slowly backwards like a domestic cat.
The gray fox is primarily nocturnal or crepuscular and makes its den in hollow trees, stumps or appropriated burrows during the day. Such gray fox tree dens may be located 30 ft above the ground.*****
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