But the green-blooded lizards use good old hemoglobin. Their red blood cells are, well, red. Their green has a stranger origin. Red blood cells only live for four months or so, and when they die ...

[Photos: Gorgeous Shots of the Adorable Horned Lizard] You may like Wandering salamander: The tree‑climbing amphibian with a blood‑powered ... Mysteries editor at Live Science.

But our new paper has contributed more data that suggests that not only are these lizards venomous, but that they may have toxins which have potential to treat blood disorders in humans.

Greater short-horned lizards, which grow to around 6 inches (15 centimeters) long, may release a third of theirits total blood supply this way. Sign up for the Live Science daily newsletter now ...

The horned lizard, particularly the Texas horned lizard (Phrynosoma cornutum), has a unique and startling defense mechanism: it can shoot blood from its eyes.This fascinating behavior has ...

Eastern Montana's short-horned lizard, also known as a horny toad, has a unique way to stay safe. The reptile can shoot blood out of its ... and where they live. “If you happen to observe ...