Texas Horned Lizard

Fascinating facts about the Texas Horned Lizard

• From sea level to mountain heights, Texas horned lizards occupy a surprisingly wide altitude band. They are found on Gulf-coast barrier islands at sea level and climb up to about 1,830 meters elevation, while surveys record them between 106 m and 1,330 m above sea level. This breadth shows the species can tolerate diverse climates, yet it also means that higher-elevation habitats host other horned-lizard species, limiting the Texas horned lizard's own range.
• The Texas horned lizard can fire a stream of blood up to 5 ft (1.5 m) from the corners of its eyes, a defense that can cost it as much as 6 percent of its body weight. The blood is mixed with a foul-tasting chemical that deters wolves, coyotes and domestic dogs.
• Harvester ants make up the lion's share of the Texas horned lizard's menu, about 70 percent of its diet, allowing a single lizard to gulp 30 to over 100 ants each day. This specialization ties the lizard's survival to ant colonies, so any factor that wipes out those ants, like pesticide use or invasive fire ants, directly threatens the lizard's food supply.
• Females lay a single clutch each year, usually containing 14 to 37 eggs that develop inside the mother for roughly 44 days before being deposited in a burrow, where they incubate another 40 to 61 days. This long reproductive timeline, combined with a two-year wait to reach sexual maturity, means that only a tiny fraction of hatchlings survive to adulthood, underscoring the species' vulnerability to habitat loss.
• In recent decades the Texas horned lizard has vanished from almost half of its historic range, a decline of roughly 30 percent that scientists link to pesticide use, urban sprawl and the spread of red imported fire ants that destroy its ant prey. Because it is listed as threatened in Texas, it is illegal to pick up, touch, or possess them.

Sources

Every fact above was checked against these pages, and kept only where one of them states it.

• Wikipedia
• Animal Diversity Web

At a glance

About the Texas Horned Lizard

In the scorching deserts of Texas, a tiny, spiky sentinel patrols the sandy dunes, its mottled brown skin blending seamlessly into the arid landscape. The Texas Horned Lizard, with its fierce, granite-like visage and razor-sharp horns, moves with a deliberate, almost ancient slowness, as if savoring the warmth that seeps from the earth beneath its feet. As it forages for ants and beetles, its unblinking gaze seems to hold a deep wisdom, a testament to the remarkable resilience of this small, yet formidable, creature.

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