Why Does the Red-Eyed Tree Frog Have Three Eyelids?
Covering the
red-eyed tree frog’s iconic eyes are special eyelids, called nictitating membranes. When the frog’s eyes are closed, the eyelids help it blend in with its leafy environment.
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Transcript
These frogs' vivid red eyes are used to startle predators.
While sleeping, their nictitating membrane conceals their eyes in a brilliant way.
They are found in tropical lowlands in Central & South America.
When disturbed, they reveal their colors as a threat.
Frogs are an indicator species. An abundance of frogs means a healthy eco-system.