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Pituophis catenifer affinis, commonly known as the Sonoran gopher snake, is a nonvenomous subspecies of colubrid snake that is endemic to the southwestern United States. It is one of six recognized subspecies of the gopher snake , Pituophis catenifer .
Common names: Pacific gopher snake, coast gopher snake, western gopher snake [5] ().. Pituophis catenifer is a species of non-venomous colubrid snake endemic to North America.Nine subspecies are currently recognized, including the nominotypical subspecies, P. c. catenifer, described here. [6]
Pocket gophers weigh around 200 g (1 ⁄ 2 lb), and are about 15–20 cm (6–8 in) in body length, with a tail 2.5–5 cm (1–2 in) long. A few species reach weights approaching 1 kg (2.2 lb). Within any particular gopher species, the males are larger than the females, and can be nearly double their weight. [7]
The Pacific gopher snake has a base color ranging from yellow to dark brown and has a gray coloring on the sides of the body. It is a spotted snake, with the spots being dark brown. Usually there are 41 to 99 spots on the body, while the tail spots range from 14 to 33. The side of the body has 2 or 3 rows of alternating black and brown spots. [6]
Townsend's pocket gopher is a relatively large gopher, measuring 22 to 29 cm (8.7 to 11.4 in) in total length, including a tail 6 to 10 cm (2.4 to 3.9 in) long. Adults weigh between 190 and 380 g (6.7 and 13.4 oz), with males being significantly larger than females.
Pituophis is a genus of nonvenomous colubrid snakes, commonly referred to as gopher snakes, pine snakes, and bullsnakes, which are endemic to North America. Nomenclature [ edit ]
The pocket gophers are considered to be medium to small in size in the order Rodentia. Baird's pocket gopher has a cylinder shaped body with most of its weight carried near its head. The zygomatic arch is shorter than the width of the mouth, meaning the dorsal of the animal exceeds the jugal bone. The neck is a little thinner but the heaviest ...
Botta's pocket gopher (Thomomys bottae) is a pocket gopher native to western North America. It is also known in some areas as valley pocket gopher , particularly in California. Both the specific and common names of this species honor Paul-Émile Botta , a naturalist and archaeologist who collected mammals in California in 1827 and 1828.