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Subspecies of snake From Wikipedia, the free encyclopedia
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.[5]
| Pituophis catenifer affinis | |
|---|---|
| |
Scientific classification  | |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Reptilia |
| Order: | Squamata |
| Suborder: | Serpentes |
| Family: | Colubridae |
| Genus: | Pituophis |
| Species: | |
| Subspecies: | P. c. affinis |
| Trinomial name | |
| Pituophis catenifer affinis (Hallowell, 1852) | |
| Synonyms | |
It is found from central Texas across the Southwestern United States to southeastern California, Arizona, and south into the northern states of Mexico.
Adults average 127–183 cm (4.17–6.00 ft) in total length. The maximum recorded total length is 234 cm (7.68 ft).[3]
The saddle-shaped dorsal blotches are reddish brown,[1] except for near and on the tail, where they are dark brown or blackish.[3]
The rostral is about as long as it is broad, not elongated as in other Pituophis subspecies.[6]
It primarily inhabits the Sonoran Desert ecosystem of the Southwest USA, and into northern Mexico.
They feed on small rodents, hence the common name gopher snake.
They are moderately defensive but can be tamed, and become very gentle. They have hard tough skin on their noses used to burrow into gopher holes and the burrows of other rodents. During the winter they brumate. They invade gopher holes and holes of other burrowing rodents and eat what they need to stay alive in the invaded burrow. When threatened by humans and farm equipment, these snakes are known to remain in harm’s way instead of making a retreat. These snakes will also tend to hiss and shake their tales when threatened which leads to them being confused with rattlesnakes and then killed due to this confusion.
P. c. affinis is oviparous. Adult females lay 7-22 eggs in July or August. The eggs average 51 mm × 35 mm (2.0 in × 1.4 in). The hatchlings are about 40 cm (15.5 in) in total length.[2]
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