Randy Robbins, a California-based wildlife photographer, said his camera captured rare footage of the "highly threatened" ...

A Northern California photographer captured footage of an extremely rare fox in Lassen Volcanic National Park this winter.

What started off as a seedling of an idea to photograph the endangered Sierra Nevada red fox turned into a three-year-long ...

Robbins mentioned that he set up his camera, with permission, at an elevation of 8,500 feet in Lassen Volcanic National Park, which is known to be one of the snowiest places in the United States.

Robbins mentioned that he set up his camera, with permission, at an elevation of 8,500 feet in Lassen Volcanic National Park, which is known to be one of the snowiest places in the United States.

The endangered Sierra Nevada red fox population is thought to be under 30 and living in the Lassen area, according to the U.S. Fish and Wildlife Service. That makes it very difficult to spot one ...

Robbins mentioned that he set up his camera, with permission, at an elevation of 8,500 feet in Lassen Volcanic National Park, which is known to be one of the snowiest places in the United States.