P-59 and P-60

Mountain lion kittens P-59 and P-60

P-59 and P-60

Male and Female | Born July 2017 | Alive


These two kittens are the first litter for P-53, a young female mountain lion that the National Park Service has been tracking since July 2016. At 21 months of age, P-53 is the youngest mother during the study, but still within the normal range.

Researchers found P-59, a female, and P-60, a male, in the central portion of the range and ear-tagged the kittens at approximately four weeks of age. The father is suspected, but still not confirmed, to be P-12, which him the kittens’ father, grandfather, and great-grandfather. Inbreeding is a serious issue in the Santa Monica Mountains that threatens the long-term survival of mountain lions.

This is the 13th litter of kittens marked by National Park Service biologists at a den site. Two additional litters of kittens were discovered when the kittens were already at least six months old.

Last updated: October 25, 2017

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