Contrary to appearance, reflex bleeding is a voluntary defense rather than a lethal injury. The Texas horned lizard can shoot, on average, 2% of their body mass in blood. These lizards’ diets play a ...

When you think of “gory” animals, creatures like great white sharks, tigers, and vampire bats might come to mind. But the most gruesome defense mechanism of any animal belongs to something much ...

When it comes to creative survival tactics in the animal kingdom, few creatures can compete with a small, spiky reptile that weaponizes its own blood. The greater short-horned lizard (Phrynosoma ...

Some animal adaptations look like they were designed by a committee of mad scientists. The greater short-horned lizard (Phrynosoma hernandesi)—Wyoming’s state reptile, also dubbed the “horny toad” ...

Out in the dry scrublands of the American West, a squat, spine-covered reptile spends its days nearly invisible against the sand, dust and stone. The greater short-horned lizard (Phrynosoma hernandesi ...