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Collared Lizards (Crotaphytus collaris) Collared Lizards (Crotaphytus collaris)

Equipment required for keeping Collard lizards


Vivarium: Minimum size 36” the VX36 the VX48 is better.


Lighting: PT2054 21cm Glow light clamp lamp

PT-2189 Repto Glo Compact new 26watt (UV Bulb)


Heating: Arcadia ADCH Reptile Ceramic Lamp holder & Bracket

PT-2133 Neodymium Daylight Basking spot lamp 100watt. Dimming thermostat.

16x 12” or 22 x 12” heat mat depending on vivarium size on a Habistat Mat Stat set at 75°F

We recommend two thermometers PT-2465 place one at each end to show the cool temperature and hot end temperatures to indicate that there is a heat gradient.


Décor Large and small rocks driftwood, PT-2853 large cave, Bark cave medium, Forked cave-bark effect best to have three or four caves throughout the vivarium in the hot cool and intermediate areas.


Substrate: Calci sand, desert sand.


Calcium and vitamins: Exo-Terra Calcium +D3. Exo-Terra Multi Vitamin Powder.

Many reptiles require a diet based on live or fresh foods, due to their specific feeding habits. These are readily available, but in themselves do not offer a balanced supply of nutrients. To ensure your pet receives a properly balanced diet, it is important to increase the nutrient content of these foods with a nutrient supplement.

Known in some areas as the "mountain boomer" because it was mistakenly though to emit a sound that echoed through the mountain valleys, it is the state lizard of Oklahoma. Collards are noted for their upright running on their hind legs, giving them the appearance of  a miniature T. rex (though this may rarely be seen in captivity as their enclosures do not provide enough room for such runs). They also have an interesting way of waving their tail, much like a cat, before grabbing at prey. They are capable of hard bites, but generally tame quickly. Collards are relatively long-lived lizards.
Description The prominent black bands behind the head give it its common and scientific names; body green and head may be bright yellow. Males have brightly coloured throats (blue, green or even orange) and may have blue patches on their belly, with generous sprinklings of white, yellow or red. Females are generally fawn or gray, taking on red or salmon-coloured speckling during breeding season.
Vivarium Collards require very large, very hot vivariums. A strong temperature gradient is essential for this rocky desert species, with a place for hot basking and a place for cooling off. You should provide higher basking areas, thus creating a vertical and horizontal gradient. Daytime 75-90°F, Basking 95-104°F; Night-time 70-85°F.
A substrate of sand and rocks will suit them. As they tend to be on the nervous side, hiding places are a must at different places along the gradient. (Note: tails can be dropped though it generally takes a hard tug for them to do so.)
UVB-producing fluorescent lights are essential for calcium metabolism in addition to the incandescent lighting used to provide heat.
Diet Collards are largely carnivorous, with the young started on crickets and freshly moulted meal worms, and larger specimens fed upon small rodents (pinks to small mice). Most will also take greens and vegetables (try high calcium and other nutritious foods such as Dandelions greens and flowers, water cress, figs, raspberries, papaya, and mango). As they tend to be aggressive feeders, they will cheerfully chomp any small vertebrate, including other lizards and snakes with which they reside whom they can overpower.
Reproduction. This oviparous species lays 1-12 (average 4-6) in the spring/early summer, hatching after about 10 week’s incubation.
Range: South-western USA to western coastal Mexico. Like desert and rocky areas.


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