They apparently find being green so easy that even their blood is green. A study published Tuesday suggests seems that this lime-green blood has evolved independently several times in lizards.

and green blood. At least six species share this enigmatic trait, which didn’t originate from one bizarre mutation but evolved four different times, according to new research in Science Advances.

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 ...

A few lizards have a strange secret: they have lime-green blood pumping through their arteries. This green blood makes their muscles, bones, tongues and the insides of their mouths green.

The lizards’ bodies, when dissected, revealed green bones, muscles, and blood. Their mouths, when opened, were green. Their eggs, when held up to a light, looked green inside their shells.

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Green blood is one of the most unusual characteristics in the animal kingdom, but it's the hallmark of a group of lizards in New Guinea. Prasinohaema are green-blooded skinks, or a type of lizard ...

The prehensile tailed skink from the highlands of New Papua New Guinea has green blood due to high concentrations of the green bile pigment biliverdin. The green bile pigment in the blood ...

It’s not a trick of the imagination or a penchant for food coloring—Prasinohaema skinks living on the island of New Guinea actually have green blood, bones, and tissue—and one scientist is ...