Green blood is weird enough. But now the first genealogical tree tracing green blood in New Guinea’s Prasinohaema lizards is suggesting something even odder. These skinks have been lumped into one ...

The Carolina anole (Anolis carolinensis), commonly called the green anole, is native to the United States and is the most common lizard found in Florida in both urban and rural areas. Some call it a ...

In 1969, biologists discovered three lizards from New Guinea whose innards were green: bones, muscles, blood and all. Even their eggs seemed green. Today, scientists are exploring the unlikely the ...

Two new studies into lizard colors reveal how one species maintains its colorful diversity while others are losing their ...

WASHINGTON (AP) — In a story May 16 about lizards with green blood, The Associated Press misidentified them as amphibians. Lizards are reptiles. WASHINGTON (AP) — For some lizards it’s easy being ...

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 ...

For some lizards it’s easy being green. It’s in their blood. Six species of lizards in New Guinea bleed lime green thanks to evolution gone weird. It’s unusual, but there are critters that bleed ...

From three morphs to one: Across 220 populations, the pattern is consistent: where "Hulk" arrives, yellow and orange throat ...

Skin color patterns in animals arise from microscopic interactions among colored cells that obey equations, say investigators. Researchers report that a lizard acquires its adult skin color by ...

There’s a particular type of lizard that changes the color of its spots as it ages — and researchers have just discovered the mathematical rules that govern this peculiar metamorphosis. In fact, one ...