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Gastrotheca guentheri is the only known frog with true teeth in its lower jaw. [ 2 ] [ 6 ] Its teeth have re-evolved after being absent for over 200 million years, challenging Dollo's law . [ 6 ] Re-evolution of teeth in the lower jaw may have been made easier because the frogs have teeth in their upper jaw so there was already a biochemical ...
Gastrotheca guentheri (Guenther's marsupial frog) is the only known frog with true teeth in its lower jaw. Gastrotheca riobambae (Andean marsupial tree frog) is kept as pet and is used in scientific experiments. Gastrotheca gemma was additionally discovered in 2021. [3]
The world's largest frog is the goliath frog of West Africa—it can grow to 15 inches (38 centimeters) and weigh up to 7 pounds (3.2 kilograms). One of the smallest is the Cuban tree toad, which ...
Lepidobatrachus laevis, widely known as Budgett's frog, is a species of frog in the family Ceratophryidae, discovered by John Samuel Budgett. [2] It is often kept as a pet . It has acquired a number of popular nicknames, including hippo frog , [ 3 ] Freddy Krueger frog , [ 3 ] and escuerzo de agua .
The Nikon Comedy Wildlife Awards recognize the funniest images in wildlife photography. The 2024 contest benefits the Whitley Fund for Nature, a wildlife conservation charity.
That's because we've collected the best of the worst dad jokes, including groan-worthy puns, knock-knocks, dumb witticisms and the funniest anecdotes you'll find just about anywhere.
Limnonectes is a genus of fork-tongued frogs of 91 known species, but new ones are still being described occasionally. [1] [2] They are collectively known as fanged frogs because they tend to have unusually large teeth, which are small or absent in other frogs.
Kermit the Frog meet Kermitops gratus, the most recent ancient amphibian to be identified after examination of a tiny fossilized skull that once sat unstudied in the Smithsonian fossil collection ...