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Pituophis lineaticollis, commonly known as the Middle American gopher snake or the cincuate bull snake, is a species of nonvenomous snake in the family Colubridae. The species is native to Guatemala and southeastern Mexico. There are two recognized subspecies.
Possibly being the largest subspecies of gopher snake on average, mature specimens can have an average weight in the range of 1–1.5 kg (2.2–3.3 lb), though the heavier known specimens can attain 3.6–4.5 kg (7.9–9.9 lb), with larger specimens being quite bulky for a colubrid snake.
In all snakes of the genus Pituophis, the epiglottis is peculiarly modified so that it is thin, erect and flexible. When a stream of air is forced from the trachea, the epiglottis vibrates, thereby producing the peculiarly loud, hoarse hissing for which bullsnakes, gopher snakes, and pine snakes are well known.
The Great Basin gopher snake is a great climber, swimmer, and burrower. It is one of the most commonly found snakes when people are hiking or driving on the road. They are easily seen in spring when the male snakes are out and about trying to find a mate. The hatchlings are easily found in late August and September when they emerge from their eggs.
The gopher snake has a unique defensive mechanism, in which it puffs up its body and curls itself into the classic strike pose of a rattlesnake. However, rather than delivering an open-mouthed strike, the gopher snake often strikes with a closed mouth, using its blunt nose to warn off possible predators.
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 .
Blackneck Garter Snake; Blind snake; Checkered Garter Snake; Coachwhip snake (Red Racer) Common Kingsnake; Desert Kingsnake; Gopher Snake; Glossy Snake; King Snake; Ground Snake; Desert Rosy Boa Snake; Saddled Leafnose Snake (Phyllorhynchus browni) Sonoran Gopher Snake; Spotted Leafnose Snake (Phyllorhynchus decurtatus) Long-nosed snake ...
However, the San Diego gopher snake (P. c. annectens) has 3 to 4rows of smaller spots on its side. The Pacific gopher snake's saddle spots do not have the barren characteristic as those of the San Diego gopher snakes do. Also, the spots in the second row of spots are much larger on P. c. catenifer as compared to P. c. annectens. Finally, the ...