Desert Kingsnake
Encyclopedia
The Desert Kingsnake is a subspecies
Subspecies
Subspecies in biological classification, is either a taxonomic rank subordinate to species, ora taxonomic unit in that rank . A subspecies cannot be recognized in isolation: a species will either be recognized as having no subspecies at all or two or more, never just one...

 of kingsnake
Kingsnake
Kingsnakes are a type of colubrid snake that are members of the Lampropeltis genus, which also includes the milk snake along with another four species and 45 sub-species....

 native to Texas
Texas
Texas is the second largest U.S. state by both area and population, and the largest state by area in the contiguous United States.The name, based on the Caddo word "Tejas" meaning "friends" or "allies", was applied by the Spanish to the Caddo themselves and to the region of their settlement in...

, Arizona
Arizona
Arizona ; is a state located in the southwestern region of the United States. It is also part of the western United States and the mountain west. The capital and largest city is Phoenix...

 and New Mexico
New Mexico
New Mexico is a state located in the southwest and western regions of the United States. New Mexico is also usually considered one of the Mountain States. With a population density of 16 per square mile, New Mexico is the sixth-most sparsely inhabited U.S...

. It is nonvenomous, colored yellow
Yellow
Yellow is the color evoked by light that stimulates both the L and M cone cells of the retina about equally, with no significant stimulation of the S cone cells. Light with a wavelength of 570–590 nm is yellow, as is light with a suitable mixture of red and green...

 and black
Black
Black is the color of objects that do not emit or reflect light in any part of the visible spectrum; they absorb all such frequencies of light...

. The desert kingsnake's diet
Diet (nutrition)
In nutrition, diet is the sum of food consumed by a person or other organism. Dietary habits are the habitual decisions an individual or culture makes when choosing what foods to eat. With the word diet, it is often implied the use of specific intake of nutrition for health or weight-management...

 consists of rodent
Rodent
Rodentia is an order of mammals also known as rodents, characterised by two continuously growing incisors in the upper and lower jaws which must be kept short by gnawing....

s, lizard
Lizard
Lizards are a widespread group of squamate reptiles, with nearly 3800 species, ranging across all continents except Antarctica as well as most oceanic island chains...

s, and smaller snake
Snake
Snakes are elongate, legless, carnivorous reptiles of the suborder Serpentes that can be distinguished from legless lizards by their lack of eyelids and external ears. Like all squamates, snakes are ectothermic, amniote vertebrates covered in overlapping scales...

s, including rattlesnakes.They normally grow 3–4 feet long with a maximum length of 6.8 feet. They are docile creatures when coming face to face with humans. If they do not try to escape, often they will "play dead" by flipping over onto their backs and lying motionless. It has been reported that if a pretending snake is flipped back into its natural position, it will flip itself over again, defeating the purpose of pretending to be dead. Some who domesticate kingsnakes, such as ranchers, do so in the hopes that the kingsnakes will feed on other snakes which might present more of a threat.

Appearance

The snake's glossy dorsum
Dorsum (anatomy)
In anatomy, the dorsum is the upper side of animals that typically run, fly, or swim in a horizontal position, and the back side of animals that walk upright. In vertebrates the dorsum contains the backbone. The term dorsal refers to anatomical structures that are either situated toward or grow...

 is black or very dark brown, finely speckled with off-white or yellow. These pale flecks form dimly-defined narrow vertebral crossbands, between which the intervening rectangular areas are black. Pale yellow scales may predominate along the lower sides. The abdomen
Abdomen
In vertebrates such as mammals the abdomen constitutes the part of the body between the thorax and pelvis. The region enclosed by the abdomen is termed the abdominal cavity...

 of both adult and young snakes is mostly black, with white or pale yellow blotches marking the outer ends of the ventral plates. The smooth dorsal scales are arranged in 23 to 25 rows at midbody and the anal plate is undivided.

Habitat

The desert kingsnake may occur in any rural habitat
Habitat
* Habitat , a place where a species lives and grows*Human habitat, a place where humans live, work or play** Space habitat, a space station intended as a permanent settlement...

 within its range. Despite its common name, it is most likely to be found in mesic areas, especially near water tanks or within riparian corridors.

Prey

This snake is known to be a powerful constrictor, and therefore its diet consists of mostly mice if domestic, and other rodents if wild. It also can feed on clutches of reptile eggs detected beneath the surface via smell. In part because of its resistance to pitviper venom, the desert kingsnake is able to consume young diamondback rattlesnake
Diamondback rattlesnake
Diamondback rattlesnake may refer to:*Crotalus adamanteus, a.k.a. the eastern diamondback rattlesnake, a venomous pitviper species found in the southeastern United States....

s that are common within its range, and at the scent of L. getula even adult western diamonbacks edge hastily backward, shielding their heads with defensive loops.

Reproduction

As with most reptiles, L. g. splendida lays eggs. Courtship and copulation occurs between the months of March and June, with clutches of 5 to 12 adhesive-surfaced eggs deposited in late June or July, sometimes buried as deeply as a foot to prevent drying through their moisture-permeable shells. After about 60 days of incubation the 8- to 10-inch long hatchlings, weighing about a fifth of an ounce, emerge. Brightly yellow-speckled in vertebral cross-lines, they also exhibit a lateral row of large, dark brown spots which, as they mature, are gradually fragmented by encroaching yellow flecks.
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