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The southern frogs form the Leptodactylidae, a name that comes from Greek meaning a bird or other animal having slender toes.They are a diverse family of frogs that most likely diverged from other hyloids during the Cretaceous. [1]
Warty frog species tend to be called toads, but the distinction between frogs and toads is informal, not from taxonomy or evolutionary history. An adult frog has a stout body, protruding eyes , anteriorly-attached tongue , limbs folded underneath, and no tail (the tail of tailed frogs is an extension of the male cloaca).
Caligophryne is a genus of frog in the superfamily Hyloidea, clade Brachycephaloidea. It contains the single species C. doylei and is the only member of the family Caligophrynidae. It is endemic to the highest parts of the Cerro de la Neblina tepui on the border of Brazil and Venezuela. [1] [2]
The river frog is a very large species with adults commonly between 7 and 13 cm (3 and 5 in) in length. The skin is rough and wrinkled but there are no dorso-lateral ridges as there are in the green frog (Lithobates clamitans). The back is some shade of dark green or blackish-green and the belly is dark grey, or blackish with pale wavy lines ...
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The adult frog grows from 1.0 to 1.4 in (25 to 36 mm) in head and body length. The males are usually between 24 and 32 millimetres (0.94 and 1.26 in) and the females between 27 and 34 millimetres (1.1 and 1.3 in). The Appalachian mountain chorus frog has a triangle between the eyes and a white line on the upper lip; the male has a dark throat.
Nanohyla petrigena is a small frog: adult males measure 14–16 mm (0.6–0.6 in) and adult females 15–18 mm (0.6–0.7 in) in snout–vent length. [4] Its hands have only three fingers. The dorsum is colored in shades of brown. There are dark markings on the shoulder and a light band on the flank. The venter is dark with an irregular white ...
The Hyalinobatrachium ibama frog, commonly known for its unique characteristics, thrives in the lush riparian habitats of old-growth forests. These pristine environments provide the ideal setting for the species to lay its eggs, a process that unfolds on the vegetation while the tadpoles undergo their development in the nearby streams.