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THOUSAND OAKS, Calif. (AP) — Two mountain lion kittens that survived after a litter of four was found under a picnic table are being cared for at a Southern California veterinary hospital, officials said.

Mountain Lion Kitten
This image provided by the National Park Service, shows a mountain lion kitten that was discovered in Thousand Oaks, Calif., on Nov. 30, 2021. (National Park Service via AP)

The four tiny cats estimated to be about six weeks old were spotted Nov. 29 outside an office building near foothills in Thousand Oaks, according to a statement Thursday from the Santa Monica Mountains National Recreation Area.

After their mother never showed up, biologists with state Fish and Wildlife gave the kittens a check up and outfitted them with small radio collars. The biologists then set the kittens up in a makeshift den monitored by cameras, in the hopes that the mother was returning at night.

Officials soon determined that the mother had either died or abandoned the litter.

Two of the kittens were found dead early on Dec. 2 and biologists took the other two to a veterinary hospital in Orange County, the statement said.

The animals will be temporarily housed at the Orange County Zoo until a permanent home can be found for them.

Mountain Lion Kittens
This image provided by the National Park Service, shows mountain lion kittens that were discovered in Thousand Oaks, Calif., on Nov. 30, 2021. (National Park Service via AP)