How to Visually Tell the Difference Between Red and Gray Foxes. There are several ways to visually tell the difference between a red fox (Vulpes vulpes) and a gray fox (Urocyon cinereoargenteus ...

BACKGROUND. Unfortunately there are very few Sierra Nevada red foxes left. They’re among the rarest mammal species in North America. Already highly vulnerable to extinction due to their perilously ...

“Red foxes don’t live to be 100 years old, so we’re assuming there are more of them up there,” Sacks added. “So, we now have two small, isolated populations, and we don’t know how big ...

Karen Schuenemann has been photographing the red foxes of the South Bay for more than 15 years. She first encountered a red fox in 2006 and then discovered a den on the cliffs of San Pedro. She ...

These foxes are also jeopardized by inbreeding depression due to small population size, hybridization with nonnative red foxes, and competition with coyotes resulting from reduced snowpack levels. The ...

The red fox is possibly the most widespread wild member of the dog family in the world. It's on all the continents of the Northern Hemisphere, from North Africa to the Arctic.