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Horned treefrog (Hemiphractus scutatus) skull
Skull of a Hemiphractus scutatus, a horned treefrog from South America that can prey on other vertebrates, thanks to its wide skull with a large gape. This species also has fanglike structures on its lower jaw.
[Research supported by National Science Foundation grant DGE 1315138, DGE 1842473 and DBI 1701714.]
Learn more in the University of Florida's Florida Museum news story Skulls gone wild: How and why some frogs evolved extreme heads. (Date image taken: 2020; date originally posted to NSF Multimedia Gallery: March 17, 2020)
Credit: Edward L. Stanley, Florida Museum of Natural History
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