The Sierra Nevada Red Fox was thought to be extinct until an image was captured with a photo trap in 2010. U.S. Forest Service biologists tested DNA from saliva taken from a bait bag to prove the fox had indeed returned.
The Sierra Nevada Red Fox was thought to be extinct until an image was captured with a photo trap in 2010. U.S. Forest Service biologists tested DNA from saliva taken from a bait bag to prove the fox had indeed returned.
