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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 ...
Mortality rates for adults in the wild appear to be low. [63] Natural predators include snakes, water rats, goannas, hawks, owls, and eagles. Low platypus numbers in northern Australia are possibly due to predation by crocodiles. [64] The introduction of red foxes in 1845 for sport hunting may have had some impact on its numbers on the mainland ...
Xenopus (/ ˈ z ɛ n ə p ə s / [1] [2]) (Gk., ξενος, xenos = strange, πους, pous = foot, commonly known as the clawed frog) is a genus of highly aquatic frogs native to sub-Saharan Africa. Twenty species are currently described within it.
Two burnsi morphs, a green morph, and a brown morph of the northern leopard frog Brown morph northern leopard frog in a wood chip pile in Iowa. The northern leopard frog has several different color variations, with the most common two being the green and the brown morphs, with another morph known as the burnsi morph. Individuals with the burnsi morph coloration lack spots on their backs, but ...
The northern green frog (Lithobates clamitans melanota) [2] is a subspecies of the green frog, Lithobates clamitans. It is native to the northeastern North America and has been introduced to British Columbia. [3] Its mating call sounds like the single note of a plucked banjo. It is also quite common in the pet trade.
Canyon tree frogs grow to 5.0–5.5 cm (2.0–2.2 in) in length, and are typically brown, grey-brown, or grey-green in color, often with darker-colored blotching. They can vary considerably, but usually match the soil or rock coloration of their native habitats to serve as camouflage.
Morelet's tree frog (Agalychnis moreletii), also known as black-eyed leaf frog and popeye hyla, is a species of frog in the subfamily Phyllomedusinae.It is found in Belize, El Salvador, Guatemala, Honduras, and Mexico.
The American toad (Anaxyrus americanus) [3] is a common species of toad found throughout Canada and the eastern United States.It is divided into three subspecies: the eastern American toad (A. a. americanus), the dwarf American toad (A. a. charlesmithi) and the rare Hudson Bay toad (A. a. copei).