Now you see them, now you don’t.
Some frogs found in South and Central America have the rare ability to turn on and off their nearly transparent appearance, researchers report Thursday in the journal Science.
But when northern glass frogs wake up and hop around in search of insects and mates, they take on an opaque reddish-brown color.Sign up for NBC Philadelphia newsletters.
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Glass act: Scientists reveal secrets of frog transparencyA species of glass frogs found in South and Central America has the rare ability to turn on and off its transparent appearance.
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Glass act: Scientists reveal secrets of frog transparencySome frogs found in South and Central America have the rare ability to turn on and off their nearly transparent appearance, researchers report in the journal Science.
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Glass act: Scientists reveal secrets of frog transparencyA species of glass frogs found in South and Central America has the rare ability to turn on and off its transparent appearance.
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