Cougar in front of the Hollywood sign in Los Angeles
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Big cat roams in Hollywood Hills

Footage has emerged of a male cougar first seen in Griffith Park in Los Angeles almost two years ago.

Los Angeles is known for its sprawling urban landscape and wide freeways of concrete and tarmac, but not necessarily for its wildlife.

But on the edge of downtown LA is one of the biggest urban parks in America - surrounding the Hollywood sign - and in that park, scientists have found a mountain lion.

Alastair Leithead reports.

Photo by Steve Winter/National Geographic