Common Sagebrush Lizard (Sceloporus graciosus) lives in desert shrubland across Western North America. It feeds on insects and spiders. Its conservation status is Least Concern.
Fascinating facts about the Common Sagebrush Lizard
- A fully grown sagebrush lizard measures just 4.7-8.9 cm from snout to vent while newborns are only 25 mm long. Their tiny bodies hide a suite of spiny, keeled scales that blend gray, tan or olive hues with occasional orange side markings. This miniature size lets them slip into narrow rock crevices and brush thickets.
- High-elevation sagebrush lizards grow faster even though they have 400 hours less seasonal activity than low-elevation peers. Resting metabolic rates are lower up top, with low-elevation lizards expending 50 % more energy daily, about 12.5 % of food energy diverted from growth. When lab-raised under identical conditions, both groups grew at similar rates, indicating that the faster growth at altitude may stem from reduced energy loss.
- A female sagebrush lizard can lay one or two clutches of two to ten eggs each, burying them about 1 inch (2.5 cm) deep in loose soil at a shrub's base. The embryos develop for 45-75 days, roughly two months, before hatching. In northern parts of the range, females may produce two clutches.
- Sagebrush lizards are almost exclusively diurnal, basking on logs, low branches or boulders from March or April until late September. When threatened they dart into crevices, brush, rodent burrows or even play dead, a behavior observed by researchers. Males are especially active in spring and patrol larger home ranges than females, though both sexes keep territories small.
- Sagebrush lizards inhabit a staggering altitude span from 500 ft up to 10,500 ft (150 m to 3,200 m), thriving on sagebrush plains, conifer forests and even sand dunes. yet they remain common across Utah, Nevada, Colorado and beyond.
Sources
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At a glance
RangeWestern North America
HabitatDesert shrubland
DietInsects and spiders
About the Common Sagebrush Lizard
As the sun-baked rocks of the desert landscape begin to stir, the common sagebrush lizard emerges, its mottled scales blending seamlessly into the arid terrain. With a swift, darting motion, it navigates the scrubby undergrowth, its sharp eyes scanning for the slightest hint of movement as it pursues its insect prey with relentless precision. In this harsh, beautiful world, the sagebrush lizard is a master of adaptation, its very existence a testament to the enduring power of life in the harshest of environments.
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