https://www.livescience.com/animals/extinct-species/siberian-cave-filled-with-mammoth-rhino-and-bear-bones-is-ancient-hyena-lair
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6/30/23 at 4:41am
Organization
Live Science
Author
Kristin Hugo
The cave has been untouched for around 42,000 years. It also contained the bones and teeth of hyena pups, suggesting they raised their young there.
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