In this April 4, 2017, photo released by the National Park Service shows P-55, a young male Mountain lion that roams the western end of the Santa Monica Mountains in Calif. He was caught and outfitted with a GPS tracking device in April 2017, a few days before P-56 in the same spot. DNA analysis is underway, but they are suspected of being siblings. Biologists documented a rare case of P-55, a cougar from a mountain range hemmed in by metropolitan Los Angeles sprawl, that successfully crossing heavily traveled U.S. 101 and taking up residence in another range, the National Park Service said Monday, Aug. 7, 2017. It's only the fourth documented successful crossing of the 101 by a Santa Monica Mountains lion in 15 years of study. (National Park Service via AP)
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