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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]
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 Pacific gopher snake is diurnal, hunting for prey during the day, [3] however, it is sometimes seen out hunting in night time. It may also exhibit nocturnal behavior in warmer conditions. To hunt, they will enter underground burrows, perch on sites during the day, or strike unsuspecting prey resting at night, ultimately using constriction ...
Adults of P. c. deserticola are usually about 4.5 feet (137 cm) in total length. The maximum recorded total length is 5.75 feet (175 cm). [6]The Great Basin gopher snake has dorsal spots that are dark brown or black, and they are connected to each other by very narrow lines that run along each side of the anterior part of the body.
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.
Arizona elegans is a species of medium-sized colubrid snake commonly referred to as the glossy snake or the faded snake, [3] ... they are smaller than gopher snakes ...
The Louisiana pine snake is indigenous to west-central Louisiana and East Texas, where it relies strongly on Baird's pocket gophers for its burrow system and as a food source. The Louisiana pine snake is rarely seen in the wild, and is considered to be one of the rarest snakes in North America.