On the trail of a gray ghost (studying mountain gray foxes)
Crabtree, R.L..
National Wildlife, Vol. 36 Issue 3 pp. 48-51
1998
Crabtree discusses his trip to mountains northeast of Yellowstone to track the elusive mountain fox, a mysterious gray-colored red fox in the wild. Mountain foxes need to be captured and DNA samples obtained to better understand the origins of these animals.