Kermit the Frog used to sing that it wasn't easy being green, but that isn't the case for some real-life lizards. They apparently find being green so easy that even their blood is green. A study ...

Forbes contributors publish independent expert analyses and insights. I write about biodiversity and the hidden quirks of the natural world. In the arid plains and rocky deserts of North America, a ...

Add Yahoo as a preferred source to see more of our stories on Google. This tiny, spiny lizard has a shocking secret. Scientists have finally uncovered exactly how and why its bizarre strategy works so ...

In science fiction, green blood is common. Monsters often have green blood because it's strange and scary, the Xenomorphs from the Alien franchise have acidic green blood, and the Predator films ...

When threatened, this lizard doesn’t run — it does something far more shocking. It shoots blood from its own eyes, aiming directly at predators to scare them away. This strange defense mechanism is ...

Why they're awesome: Greater short-horned lizards have a squat, flat shape and short snouts, which makes them look more like amphibians than reptiles — hence the nickname "horny toads." But these ...

Scientists are eager to figure out why lead doesn't seem to affect brown anoles. Sharp Photography via Wikimedia Commons under CC BY-SA 4.0 When humans are exposed to lead, they can develop a host of ...

“Even if the trait only evolved once, the fact that it has been retained across several species indicates that it confers a tremendous advantage,” Adriana Briscoe, an evolutionary biologist at the ...

Scientists are trying to figure out how green-blooded lizards might benefit from the unusual pigment. The answer could provide new insights into... Why Do Some Lizards Have Green Blood? Why Do Some ...