Information about Common Collared Lizard

Common Collared Lizard
Enlarge picture
Collared Lizard in Albuquerque, NM

Collared Lizard in Albuquerque, NM
Scientific classification
Kingdom:Animalia
Phylum:Chordata
Class:Reptilia
Order:Squamata
Suborder:Sauria
Family:Crotaphytidae
Genus:Crotaphytus
Species:C. collaris
Binomial name
Crotaphytus collaris
(Say, 1823)


The Oklahoma Collared Lizard or Collared Lizard, Crotaphytus collaris, is a North American lizard that can be up to a foot (30 cm) long in total length (including the tail), with a large head and powerful jaws. They are well known for the ability to run on their hind legs, looking like small dinosaurs. The collared lizard is the "state reptile" of the United States state of Oklahoma, where it is known as the Mountain Boomer. The name "collared lizard" comes from the lizards' distinct coloration, which includes bands of black aroud the neck and shoulders that look like a collar. It is a member of the collared lizard family.

These reptiles are often tamed and kept as pets. When born in captivity, they are quite docile and tolerant of interaction with humans. They are very active and predatory lizards, requiring a large amount of space to run. They prefer high temperatures, up to 105-110°F (40-43°C) at their basking spot and 80°F (26°C) elsewhere in their habitat during the day. Some collared lizards eat small amounts of fruit or vegetables, but most prefer a diet of insects. They will also consume vertebrate prey, including small mammals and other lizards. Like many reptiles, in captivity they must be provided a diet supplemented with extra calcium and a light source with a UVB radiation to reduce the risk of bone disorders.

Enlarge picture
Collared Lizard in Zion National Park, Utah


The origin of the name "mountain boomer" is not clear, but it may date back to settlers travelling west during the Gold Rush. 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. In reality, collared lizards are silent.

These animals are possibly best known for their predatory nature. Like many other lizards, including the frilled lizard and basilisk, collared lizards can run on their hind legs, and are relatively fast sprinters. Record speeds have been around 16 miles/hour (26 km/h), much slower than the world record for lizards (21.5 miles/h or 34.6 km/h) attained by the larger-bodied Costa Rica spiny-tailed iguana (Ctenosaura similis).

Recently, collared lizards in the wild have been the subject of a number of studies of sexual selection.

References

Bonine, K. E., and T. Garland, Jr. 1999. Sprint performance of phrynosomatid lizards, measured on a high-speed treadmill, correlates with hindlimb length. Journal of Zoology, London 248:255-265. PDF

Garland, T., Jr. 1984. Physiological correlates of locomotory performance in a lizard: an allometric approach. Am. J. Physiol. 247 (Regulatory Integrative Comp. Physiol. 16):R806-R815. PDF

Husak, J. F., and S. F. Fox. 2006. Field use of maximal sprint speed by collared lizards (Crotaphytus collaris): compensation and sexual selection. Evolution 60:1888-1895.

Husak, J. F., Fox, S. F, Lovern, M. B., and Van Den Bussche, R. A. 2006. Faster lizards sire more offspring: sexual selection on whole-animal performance. Evolution 60:2122-2130.

Lappin, A. K., Y. Brandt, J. F. Husak, J. M. Macedonia, and D. J. Kemp. 2005. Gaping displays reveal and amplify a mechanically based index of weapon performance. American Naturalist 168:100-113.

Snyder, R. C. 1962. Adaptations for bipedal locomotion of lizards. Am. Zool. 2:191-203.

Gallery





Elena Gallegos Picnic Area, Albuquerque, New Mexico

Pair of Crotaphytus collaris
Scientific classification or biological classification is a method by which biologists group and categorize species of organisms. Scientific classification also can be called scientific taxonomy, but should be distinguished from folk taxonomy, which lacks scientific basis.
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Chordata
Bateson, 1885

Typical Classes

See below

Chordates (phylum Chordata) are a group of animals that includes the vertebrates, together with several closely related invertebrates.
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Sauropsida*
Goodrich, 1916

Subclasses
  • Anapsida
  • Diapsida
Synonyms
  • Reptilia Laurenti, 1768
Reptiles are tetrapods and amniotes, animals whose embryos are surrounded by an amniotic membrane, and members of the class
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Squamata
Oppel, 1811

black: range of Squamata


Suborders
see text

This article is about the Squamata order of reptiles. For the Roman scale armour see: Lorica squamata.

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Sauria
Gauthier, 1984

Subgroups
  • Lepidosauromorpha
  • Archosauromorpha


Sauria is a clade of reptiles that includes all living diapsids, as well as their common ancestor and all its extinct descendants.
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Crotaphytidae

Crotaphytid lizards or more commonly known as Collared lizards are found in North America only (American southwest and northern Mexico). They typically prey on other lizards and other vertebrates for their sustenance.
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Crotaphytus

Classification of the genus Crotaphytus, a type of lizard.

Genus Crotaphytus

  • Venerable Collared Lizard, Crotaphytus antiquus
  • Mojave Collared Lizard, Crotaphytus bicinctores

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binomial nomenclature is the formal system of naming species. The system is also called binominal nomenclature (particularly in zoological circles), binary nomenclature (particularly in botanical circles), or the binomial classification system.
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Thomas Say (June 27, 1787 – October 10, 1834) was an American naturalist, entomologist, malacologist and carcinologist. He was a taxonomist and is often considered to be the founder of descriptive entomology in the United States and one of the founding fathers of the
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18th century - 19th century - 20th century
1790s  1800s  1810s  - 1820s -  1830s  1840s  1850s
1820 1821 1822 - 1823 - 1824 1825 1826

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Subjects:     Archaeology - Architecture -
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North America is a continent [1] in the Earth's northern hemisphere and (chiefly) western hemisphere. It is bordered on the north by the Arctic Ocean, on the east by the North Atlantic Ocean, on the southeast by the Caribbean Sea, and on the south and west
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Dinosauria *
Owen, 1842

Orders & Suborders
  • Ornithischia
  • Cerapoda
  • Thyreophora
  • Saurischia

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Motto
"In God We Trust"   (since 1956)
"E Pluribus Unum"   ("From Many, One"; Latin, traditional)
Anthem
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State of Oklahoma

Flag of Oklahoma Seal
Nickname(s): Sooner State
Motto(s): Labor omnia vincit (Latin: Labor conquers all things)

Official language(s) None

Capital Oklahoma City

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Crotaphytidae

Crotaphytid lizards or more commonly known as Collared lizards are found in North America only (American southwest and northern Mexico). They typically prey on other lizards and other vertebrates for their sustenance.
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Calcium (IPA: /ˈkalsiəm/) is the chemical element in the periodic table that has the symbol Ca and atomic number 20. It has an atomic mass of 40.078.
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gold rush is a period of feverish migration of workers into the area of a dramatic discovery of commercial quantities of gold. Several gold rushes took place throughout the 19th century in Argentina, Australia, Brazil, Canada, Chile, New Zealand, South Africa, and the United States.
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Chlamydosaurus

Binomial name
Chlamydosaurus kingii
Gray, 1827

The Frill-necked Lizard, or Frilled Lizard also known as the Frilled Dragon, (Chlamydosaurus kingii
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B. basiliscus

Binomial name
Basiliscus basiliscus
(Linnaeus, 1758)

The Common basilisk, Basiliscus basiliscus, (or simply the basilisk
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Motto
¡Vivan siempre el trabajo y la paz!   (Spanish)
"May Work And Peace Live Forever"
Anthem
Noble patria, tu hermosa bandera   (Spanish)
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Ctenosaura
Wiegmann, 1828

Ctenosaura is a genus of lizard commonly known as spiny-tailed iguanas. They are within the large lizard family, Iguanidae and are native to Mexico and Central America.
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Sexual selection is the theory proposed by Charles Darwin that states that the frequency of traits can increase or decrease depending on the attractiveness of the bearer. Biologists today distinguish between "male to male combat" (it is usually males who fight), "mate choice"
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Location New Mexico, USA
Nearest city Grants, NM
Coordinates
Area 114,277 acres (462 km²)
Established December 31, 1987
Total visitation 143,515 (in 2004)
Governing body
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State of New Mexico

Flag of New Mexico Seal
Nickname(s): Land of Enchantment / Tierra del Encanto
Motto(s): Crescit eundo

Capital Santa Fe
Largest city Albuquerque
Largest metro area
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Bristol Zoo is a tourist attraction in the city of Bristol in South West England. The Zoo's stated mission is "Bristol Zoo Gardens maintains and defends biodiversity through breeding endangered species, conserving threatened species and habitats and promoting a wider
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Motto
Dieu et mon droit   (French)
"God and my right"
Anthem
No official anthem specific to England — the anthem of the United Kingdom is "God Save the Queen".
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Location Arizona, USA
Nearest city Holbrook
Coordinates
Area 218,553 acres (341.5 sq mi / 885 km²)
Established January 1, 1962
Total visitation 581,681 (in 2006)

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Arizona State Symbols
Living Symbols
 -Animal Ringtail Cat
 -Bird Cactus Wren
 -Butterfly Two-Tailed Swallowtail
 -Fish Apache Trout
 -Flower Saguaro Blossom
 -Furbearer Ringtail Cat
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State of New Mexico

Flag of New Mexico Seal
Nickname(s): Land of Enchantment / Tierra del Encanto
Motto(s): Crescit eundo

Capital Santa Fe
Largest city Albuquerque
Largest metro area
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