Search results
Results From The WOW.Com Content Network
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 ...
In some species the eggs are fertilized on the female's lower back, and are inserted in her pouch with the aid of the male's toes. The eggs remain in contact with the female's vascular tissue, which provides them oxygen. Gastrotheca guentheri (Guenther's marsupial frog) is the only known frog with true teeth in its lower jaw.
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.
The couple will swim around in the water until they have to swim to the surface to breathe. Afterwards, they will swim back down to the bottom of the water. There the male will lay on his back, with the female on top of him on her stomach. [18] During the amplexus, the female's back is gradually swelled to a puffy condition.
The tailed frogs are two species of frogs in the genus Ascaphus, [1] the only taxon in the family Ascaphidae / æ ˈ s k æ f ɪ d iː /. [2] The "tail" in the name is actually an extension of the male cloaca .
The Sierra Nevada Yellow-legged frogs were almost wiped out of Yosemite National Park. But these scientists mounted a wildlife comeback. 'The lakes are alive again': These frogs are back from near ...
The hairy frog (Trichobatrachus robustus) also known as the horror frog or Wolverine frog, is a Central African species of frog in the family Arthroleptidae.It is typically considered monotypic within the genus Trichobatrachus, [2] but based on its genetics, it should be included in Astylosternus instead. [3]
We tell people to put Orajel on their back and that will knock them out.” Exotic pets turn into invasive species: Discovery of 3-foot lizard underneath Georgia home prompts reminder of new law ...