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glass frog
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reticulated glass frog, or La Palma glass frog (Hyalinobatrachium valerioi)
Watch a tree frog lay eggs, and see through a glass frog's skin to glimpse its inner anatomy
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Sea otter (Enhydra lutris), also called great sea otter, rare, completely marine otter of the northern Pacific, usually found in kelp beds. Floats on back. Looks like sea otter laughing. saltwater otters
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Lion (panthera leo)
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Black eyed tree frog (Agalychnis moreletii)
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reticulated glass frog, or La Palma glass frog (Hyalinobatrachium valerioi)
reticulated glass frog, or La Palma glass frog (Hyalinobatrachium valerioi) The reticulated glass frog, or La Palma glass frog (Hyalinobatrachium valerioi), is a Central American tree frog native to Costa Rica, Panama, Colombia, and Ecuador.

glass frog

amphibian
Also known as: Centrolenidae
Written by
George R. Zug
Curator Emeritus, Division of Amphibians and Reptiles, National Museum of Natural History, Smithsonian Institution, Washington, D.C.
George R. Zug
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Britannica Editors
Encyclopaedia Britannica's editors oversee subject areas in which they have extensive knowledge, whether from years of experience gained by working on that content or via study for an advanced degree....
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History

glass frog, (family Centrolenidae), any of a group of tree frogs found in the New World tropics, some species of which have translucent bellies and chests. In glass frogs the viscera are visible, and an observer can see the heart pumping blood into the arteries and food moving through the gut. The translucency, which may also extend to the frogā€™s sides and parts of its back, is a type of camouflage in which the edges...

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