The red fox is the only animal which is known to use the Earth’s magnetic field to hunt. It’s thought to be able to sense it using a protein in its eyes called cryptochrome. With fine warm ...

The Sierra Nevada red fox once was found throughout the Sierra Nevada mountains, but populations have declined dramatically because of poisoning and trapping, habitat destruction from logging and ...

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 small ...