Big cats in a big city
Los Angeles and its suburbs are home to 19 million people. It is the only megacity in the world where mountain lions, also known as cougars and pumas, live side-by-side with humans.
The Mountain Lions of L.A.
On Jan. 17, 2016, 60 Minutes aired Bill Whitaker's report "The Mountain Lions of L.A."
The Mountain Lions of L.A.
For 14 years, the National Park Service has been studying the animals.
The Mountain Lions of L.A.
Their research has opened a window into the big cats' mysterious world and raised questions about the species' survival amidst freeways and suburban sprawl.
The Mountain Lions of L.A.
Here, a mountain lion is caught on a home surveillance camera in an area called Cougar Canyon.
The Mountain Lions of L.A.
The mountain lion, named P41, has visited the home at least 10 times.
The Mountain Lions of L.A.
Camera technology has revolutionized the way mountain lions and other wild animals are studied.
The Mountain Lions of L.A.
Remote cameras are often used to capture the animals in the wild.
The Mountain Lions of L.A.
Other types of wildlife are also captured -- including this bear.
The Mountain Lions of L.A.
Here, bear cubs are photographed in Angeles National Forest.
The Mountain Lions of L.A.
A male mountain lion is photographed in Angeles National Forest.
The Mountain Lions of L.A.
Researchers find a feisty, three-and-a-half week old female in the Santa Monica Mountains.
She appears healthy, but given the danger she faces on the edge of civilization, her future is a question mark.
The Mountain Lions of L.A.
This December 22, 2015, photo shows kitten siblings P46 and P47 at their den in the Santa Monica Mountains.
The National Park Service says biologists recently discovered the two mountain lion kittens in the Santa Monica Mountains west of Los Angeles.