Glass Frog (family Centrolenidae) - (photo: Heidi and Hans-Jurgen Koch)
The see-through skin of an inch-long (2.5-centimeter-long) glass frog reveals her eggs. Native to Venezuela, the frogs lay eggs in bushes and trees overhanging streams. Tadpoles hatch, then tumble into the current to be swept away.
(via: Nat. Geo)
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