Wolves switched from eating horses to caribou and moose to survive ice age extinction


D

uring the last ice age, which lasted until about 12,000 years ago, grey wolves were just one predator among an array of fearsome beasts, including saber-toothed cats, short-faced bears and cave lions.

But while these animals all died out during the mass extinction at the end of the ice age, the grey wolf prevailed, and can still be found in the tundra, hunting caribou and moose.

New research suggests a major shift in the wolves’ diets could be a key reason why they survived.



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