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 ...

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 ...

A male Acanthosaura grismeri, or Grismer’s pricklenape lizard. Photo from Le, Nguyen, Nguyen, Ziegler, Do and Ngo (2025), shared by Thomas Ziegler Researchers scanning tree branches with flashlights ...

One of the most commonly seen lizards in the Southern states is the green anole, also known as the North American green anole ...

Green anoles, common in the South, change color due to external factors and hormones, not to match surroundings.

WASHINGTON (Reuters) - A group of lizards inhabiting the island of New Guinea boasts one of the most exotic traits of any animal: green blood. And scientists have been trying hard to figure out what ...

Reptile keeper Randolph Duncan of Albany holds one of VIA Aquarium’s first captive-bred animals, a baby green keel-bellied lizard at the VIA Aquarium on June 13 in Rotterdam. Reptile keeper Randolph ...

Like many residents of warm climates, the brown lizards scurrying around New Orleans have a worse temper in extreme heat. According to a new study from Tulane researchers, these invasive brown anoles ...