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tree frog
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Costa Rican flying tree frog (Agalychnis spurrelli). A bright yellow-green polka-dot treefrog (Hypsiboas punctatus) with large eyes sits on a broad leaf, facing the camera against a dark background.
Watch a tree frog lay eggs, and see through a glass frog's skin to glimpse its inner anatomy
tree frog A European tree frog, Hyla arborea, clings to a vertical grass stem against a smooth green background.
Quizzes
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
Animal Group Names
Lion (panthera leo)
Deadliest Animals Quiz
Young chimpanzee dressed in a shirt and sweater vest, scratching his head thinking. (primates)
Wild Words from the Animal Kingdom Vocabulary Quiz
Mute swan with cygnet. (birds)
Match the Baby Animal to Its Mama Quiz
Black eyed tree frog (Agalychnis moreletii)
All About Amphibians
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Costa Rican flying tree frog (Agalychnis spurrelli).
Costa Rican flying tree frog (Agalychnis spurrelli). Costa Rican flying tree frog (Agalychnis spurrelli).

tree frog

amphibian group
Also known as: tree toad, treefrog
Written and fact-checked by
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

tree frog, any of more than 800 species of typically arboreal frog occurring on all continents except Antarctica and belonging to one of several families of the order Anura. Of these, the hylid, or “true,” tree frogs from the family Hylidae are the most numerous. Hylids are usually slender, less than 10 cm (4 inches) in length, and long-legged, and they possess enlarged adhesive disks on the tips of the fingers and toes that aid...

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