Adult, DOR, Male
Somewhere in Yellowstone
last year's hatchling--very inoffensive, found under a kayak on the edge of the river.
The bullsnake (Pituophis catenifer sayi) is a large nonvenomous colubrid snake endemic to the central United States, northern Mexico, and southwestern Canada. It is currently considered a subspecies of the gopher snake (Pituophis catenifer).