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Animals: Amphibians · Arachnids · Birds · Cnidaria · Crustaceans · Echinoderms · Fish · Insects · Mammals · Molluscs · Reptiles · Others White-lipped tree frog , by Charlesjsharp Pristimantis elegans , by Charlesjsharp
Necturus is a genus of aquatic salamanders in the family Proteidae. Species of the genus are native to the eastern United States and Canada. [2] [3] [4] They are commonly known as waterdogs and mudpuppies.
However, Phyllobates bicolor is identifiable by the yellow or orange body and black or dark blue forelimbs and hindlegs, hence the name black-legged dart frog. [2] Phyllobates bicolor are commonly found in tropical forests of the Chocó region of Colombia. The diurnal frogs live along the rainforest ground near streams or puddles that form.
Its function is to make the animal, for example a wasp or a coral snake, highly conspicuous to potential predators, so that it is noticed, remembered, and then avoided. As Peter Forbes observes, "Human warning signs employ the same colours – red, yellow, black, and white – that nature uses to advertise dangerous creatures."
The Western Hognose snake is a light sandy brown in color, with darker brown or gray blotching, their coloration is not nearly as variable as the Eastern Hognose, Heterodon platirhinos, but they often have an ink-black and white or yellow checker patterned belly, sometimes accented with orange. They are very stout for their size (a full grown ...
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D. versicolor can change from nearly black to nearly white. They change color at a slower rate than a chameleon. A unique aspect of the appearance of gray treefrogs is that its legs feature a dark band-like pattern which then contrast sharply with the black-marked bright yellow or orange under the sides of its legs and arms.
Seven subspecies are currently recognized. Most snakes have a yellow, light orange, or white dorsal stripe, accompanied by two stripes on its side of the same color. Some varieties have red or black spots between the dorsal stripe and the side stripes. This snake often inhabits coniferous forests, and is relatively aquatic.