National Park Service researchers took this footage of a mountain lion den after they were sure the mother was not present.
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They’ve been tracking the mother, P-62, since January 2018. All the kittens are females and have been named P-66, P-67, P-68, and P-69. Researchers checked their help and marked each with an ear tag.

Read more about the mountain lion cubs:

Four Mountain Lion Cubs Curled Up In Their Den | Nat Geo Wild

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