eastern collared lizard female

It can be easily distinguished by a combination of its relatively large size, a large head relative to the body, bright coloration, a tail twice the body length, and a distinct black collar on the neck. Also known as Eastern Collared Lizard, Oklahoma Collared Lizard, and Mountain Boomer. This lizard also prefers limestone ledges which provide many crevices for protection and open spaces for … Eastern collared lizards are active from as early as mid-March through September. Unfortunately, most do not survive in captivity. Because male eastern collared lizards have large heads and powerful jaws, social interactions between males that result in biting have the potential to cause serious injury. The eastern collared lizard lives and basks among rock piles in arid or semi-arid environments. The Collared Lizard (Crotaphytus collaris) is native to Mexico, Texas, Arizona, Kansas and Oklahoma. Like many other lizards, including the frilled lizard and basilisk, collared lizards can run on their hind legs, and are relatively fast sprinters. EASTERN COLLARED LIZARD Crotaphytus collaris DESCRIPTION: A medium-sized (up to 118 mm or 4.65" from snout to vent), plump-bodied lizard with a large head and two distinct, black collar markings on the neck. Near-neighbor males recognize and tolerate each other to offset possible injuries that could result from repeated aggressive social interactions. In reality, collared lizards are silent. Mating occurs from mid-April through June, a … This is a North American Lizard species which can reach the length of 8-15 inches including the tail with a large head and powerful jaws. Their conservation statis is Least Concern (LC). I know they like to dig but is non stop. Their bright coloration and the fact they can be easily captured makes them attractive candidates for pets. The neck is distinctly narrowed and a gular fold is present. Record speeds have been around 16 miles per hour (26 km/h), much slower than the world record for lizards (21.5 mph or 34.6 km/h) attained by the larger-bodied Costa Rican spiny-tailed iguana, Ctenosaura similis. Source. Two black stripes around the neck give these lizards their name. The Basics for Collared Lizards. The eastern collared lizard, often called the mountain boomer, is the Oklahoma state lizard. The front collar does not cross the throat. "Sprint performance of phrynosomatid lizards, measured on a high-speed treadmill, correlates with hindlimb length", "Physiological correlates of locomotory performance in a lizard: an allometric approach", "Gaping displays reveal and amplify a mechanically based index of weapon performance", "Adaptations for bipedal locomotion of lizards", https://en.wikipedia.org/w/index.php?title=Common_collared_lizard&oldid=982984933, Articles with unsourced statements from December 2016, Creative Commons Attribution-ShareAlike License, This page was last edited on 11 October 2020, at 15:29. Males and male-female pairs often can be seen basking on top of rocks, especially during the spring and early summer breeding season. It is a member of the collared lizard family. Yellow spots are present as in males, but not at the high density seen in males. Mating occurs from mid-April through June, a time period during which males are highly territorial. Common Names: Eastern Collared Lizard, Oklahoma Collared Lizard, Collared Lizard, Common Collared Lizard. Similar to many other lizards in which the number of eggs varies, large females produce more eggs than smaller females. Males have a blue-green body with a light brown head. Males and male-female pairs often can be seen basking on top of rocks, especially during the spring and early summer breeding season. Much of the background color of adult males is green and the dorsal body surface is interrupted by faint orange markings and distinct small yellow spots. The common collared lizard (Crotaphytus collaris), also called eastern collared lizard,[2] Oklahoma collared lizard, yellow-headed collared lizard or collared lizard, is a North American species of lizard from the family Crotaphytidae. Discover the diverse species of Oklahoma. One theory is that settlers mistook the sound of wind in canyons for the call of an animal in an area where the collared lizard was abundant. (This profile was created by Dr. Laurie Vitt as part of a partnership between the Wildlife Department and the Sam Noble Oklahoma Museum of Natural History. As a cautionary note, although not venomous, collared lizards can inflict a painful bite that usually breaks the skin of not handled carefully. Adult males can reach just over four and one-half inches in snout to vent length. Because they are so easy to see in their own natural habitat, we recommend that interested nature lovers visit the lizards in their habitat rather than bringing them home. Males can be very colorful, with blue green bodies, yellow stripes on the tail and back, and yellow orange throats. The Eastern Collared Lizard is of moderate size (<118 mm SVL, 356 mm total length). Source. Life Span: 10+ years. Individuals can reach 8–15 in (20–38 cm) in length (including the tail), with a large head and powerful jaws. Chiefly found in dry, open regions of Mexico and the south-central United States including Missouri, Arkansas, Oklahoma, Texas, Arizona, New Mexico, Colorado, and Kansas, the full extent of its habitat in the United States ranges from the Ozark Mountains to Western Arizona. The distribution of eastern collared lizards in North America extends from northwestern Arizona through Missouri in the east and north-south from northern Kansas to at least north-central Mexico. and small vertebrates, including other lizard species. The origin of the name "mountain boomer" is not clear, but it may be traceable to settlers traveling west during the Gold Rush. Eastern collared lizards, partly as a result of their large size, eat a combination of large insects (grasshoppers, cicadas, etc.) Females have a light brown head and body. In captivity if two males are placed in the same cage they will fight to the death. Male collared lizard, with blue-green body and yellow-brown head, at the Wichita Mountains Wildlife Refuge near Lawton, Oklahoma Individuals can reach 8–15 in (20–38 cm) in length (including the tail), with a large head and powerful jaws. [citation needed]. Running Upright . with a large head and powerful jaws. Eastern collared lizards are most easily observed by slowly driving roads where rocky outcrops occur and carefully examining the tops of boulders and fence posts. The hind limbs and tail are relatively long, the tail is round in cross-section, and the head is proportionally large and triangular in the dorsal view. Females have a light brown head and body. Unlike most lizards, when Common Collared Lizards start running at top speed (up to 26 … © Copyright 2020, Oklahoma Department of Wildlife Conservation -. Geographic Range: Mexico and the South-Central US. Recently hatched juveniles have a yellow background color, collar similar to that of adults, and a series of irregular, nearly round dark blotches dispersed among series of narrower yellow to orange blotches across the dorsal body surface. The collared lizard is the state reptile of Oklahoma, where it is known as the mountain boomer. They can live 5 - 8 Years and grow to 8 - 15 Inches. The name "collared lizard" comes from the lizard's distinct coloration, which includes bands of black around the neck and shoulders that look like a collar. It was funded as part of a larger State Wildlife Grant to survey and inventory amphibians and reptiles of the Wildlife Management Areas of Oklahoma:  T-35-P-1.). Females deposit clutches of 4-10 eggs during May through July, and some females may deposit a second clutch during that season. Collared lizards in the wild have been the subject of a number of studies of sexual selection. The Collared Lizard is also known as the common collared lizard, eastern collared lizard, or Oklahoma collared lizard. Males have a blue-green body with a light brown head. The lizard has announced the state reptile of Oklahoma where it is known as the Mountain bommer. Males and male-female pairs are highly conspicuous when so perched. Adult females are slightly smaller, reaching just over four inches in snout to vent length. My female lately is digging all the time. Top 11 List – Common Collared Lizard 1. The background color of adult females is brown to gray, and depending on the breeding condition, is interrupted by bright orange elongated blotches that give the impression of wide, broken likes extending from the midline of the back to the lateral body surfaces. Eastern collared lizards are active from as early as mid-March through September. Using a clever experimental protocol, Oklahoma behavioral ecologists Stanley Fox and Troy Baird demonstrated that near-neighbor territorial males were less aggressive towards each other than to unfamiliar males, a behavior known as the “dear enemy” phenomenon. Coloration is usually gray-brown to blue-green with faint, soft-edged, yellow crossbands. The collar is an irregular black line just behind the head followed by a wider and more distinct broad black marking extending from the midline of the back to the top of the front limbs. Conservation Status: Least Concern. On a local level, they are usually found only in rocky habitats.

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