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The call or croak of a frog is unique to its species. Frogs create this sound by passing air through the larynx in the throat. In most calling frogs, the sound is amplified by one or more vocal sacs, membranes of skin under the throat or on the corner of the mouth, that distend during the amplification of the call.
Rana (derived from Latin rana, meaning 'frog') is a genus of frogs commonly known as the Holarctic true frogs, pond frogs or brown frogs. Members of this genus are found through much of Eurasia and western North America. Many other genera were formerly included here. [1][2] These true frogs are usually largish species characterized by their ...
The European tree frog (Hyla arborea) is common in the middle and south of Europe, and its range extends into Asia and North Africa. North America has many species of the family Hylidae, including the gray tree frog (Hyla versicolor) and the American green tree frog (H. cinerea). The spring peeper (Pseudacris crucifer) is also widespread in the ...
The American green tree frog (Dryophytes cinereus or Hyla cinerea) is a common arboreal species of New World tree frog belonging to the family Hylidae. This nocturnal insectivore is moderately sized and has a bright green to reddish-brown coloration. [2] Commonly found in the central and southeastern United States, the frog lives in open canopy ...
The tailed frogs are two species of frogs in the genus Ascaphus, [1] the only taxon in the family Ascaphidae / æˈskæfɪdiː /. [2] The "tail" in the name is actually an extension of the male cloaca. The tail is one of two distinctive anatomical features adapting the species to life in fast-flowing streams. These are the only North American ...
The Frogs Portal. A frog is any member of a diverse and largely carnivorous group of short-bodied, tailless amphibians composing the order Anura (coming from the Ancient Greek ἀνούρα, literally 'without tail'). The oldest fossil "proto-frog" Triadobatrachus is known from the Early Triassic of Madagascar (250 million years ago), but ...
The Mississippi gopher frog is a mid-sized, stocky, frog with a total body length of about 3 in (8 cm). The frog's back ranges in color from black to brown or gray and is covered with dark spots and warts. The male's call has been compared to the sound of human snoring.
Spring peeper. The spring peeper (Pseudacris crucifer) [3] is a small chorus frog widespread throughout the eastern United States and Canada. [4] It prefers permanent ponds due to its advantage in avoiding predation; however, it is very adaptable with respect to the habitat it can live in. In northern regions, the frog is able to endure below ...