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The Texas horned lizard is the largest-bodied and most widely distributed of the roughly 21 species of horned lizards in the western United States and Mexico. The Texas horned lizard exhibits sexual dimorphism, with the females being larger with a snout-vent length of around 5 in (13 cm), whereas the males reach around 3.7 in (9.4 cm).
The Texas horned lizard (Phrynosoma cornutum) has disappeared from almost half of its geographic range. Their popularity in the early to mid-20th-century pet trade, where collectors took thousands from the wild populations to sell to pet distributors, without provision for their highly specialized nutritional needs (primarily formic acid from ...
Desert horned lizards have horns that are wide at the base, which isn't true for their congener, the short-horned lizard. Pictured to the left is Blainville's Horned Lizard (Phrynosoma blainvillii), note the colored horns and double row of fringed scales alongside the body.
This list of reptiles of Texas includes the snakes, lizards, crocodilians, and turtles native to the U.S. state of Texas.. Texas has a large range of habitats, from swamps, coastal marshes and pine forests in the east, rocky hills and limestone karst in the center, desert in the south and west, mountains in the far west, and grassland prairie in the north.
Also referred to as the horned toad, horny toad and horned frog, the Texas horned lizard has lineage that traces back to dinosaurs. The tiny three-inch-long species joined the threatened list in ...
The thorny devil is only distantly related to the morphologically similar North American horned lizards of the genus Phrynosoma. This similarity is usually thought of as an example of convergent evolution. The names given to this lizard reflect its appearance: the two large horned scales on its head complete the illusion of a dragon or devil.
Feb. 5—A lizard species once feared to be vanishingly scarce is now known to have several thriving populations across its historical range in the Edwards Plateau region of Central and West Texas ...
New plant species have harmed the desert tortoise (California, Nevada) and gopher tortoise (Georgia, Florida's official tortoise). [124] [125] Egg-eating fire ants have reduced the Texas horned lizard (Texas) from part of its range. [115] [126] Environmental pollution.