Glass frogs have the rare ability to turn on and off their nearly transparent appearance, researchers report Thursday in the journal Science. Ernesto Benavides/Getty Images Now you see them, now you ...
Glass frog photographed during sleep and while active, showing the differences in red blood cells within the circulatory system. Jesse Delia via AMNH When a tiny glass frog dozes off to sleep, its ...
(CN) — If you’re ever in the rain forests of Colombia, don’t expect to see any glass frogs hanging out; the tiny frogs are masters of camouflage, thanks to their transparent skin. The glass frog, ...
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