Tailed Frog

Western Tailed Frog, Tailed Frog
Sighting:
Prairie Creek Redwoods State Park, Humboldt County, California ...

Tailed frogs are the only known frogs to utilize internal fertilization for reproduction. The so-called tail is actually a copulatory organ and is only present on males.

In Search of Tailed Frogs
Ascaphus truei
by Ken Mierzwa
The Marten - Newsletter
The Wildlife Society
Winter 2002 - California North Coast Chapter ...

Tailed Frog, Ascaphus truei
The Tailed Frog, Ascaphus truei, is found in cold, fast-moving streams with boulders and stoney bottoms. They are unique in that they are the only species of frog with a tail.

Sri Lanka Frogmouth, Batrachostomus moniliger
Hodgson's Frogmouth, Batrachostomus hodgsoni
Short-tailed Frogmouth, Batrachostomus poliolophus
Javan Frogmouth, Batrachostomus javensis
Sunda Frogmouth, Batrachostomus cornutus ...

Eggs are laid in clutches of 19-25 eggs in moist leaf litter and vegetation. In about two weeks, tiny tailed frogs emerge from the eggs. It is the only frog or toad in Florida that does not go through a tadpole stage.

See also: Salamander, Toad, Treefrog, Bullfrog, Red-legged Frog