Washington (AFP) – They are beautiful, powerful and stalk the hills above Los Angeles. But more frequent wildfires caused by climate change have placed the survival of the city’s last remaining mountain lions in doubt, by increasing their exposures to car collisions and hostile encounters with their own kind. Rachel Blakey of the University of California, Los Angeles led a study published Thursday in Current Biology examining the impact of the 2018 Woolsey fire, which scorched half the big cats’ habitat in the Santa Monica mountains. The biggest takeaway: “It’s not just about how many animals …