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An Argentine black and white tegu (Salvator merianae). Tegu is a common name of a number of species of lizards that belong to the families Teiidae and Gymnophthalmidae. Tegus are native to Central and South America. They occupy a variety of habitats and are known for their large size and predatory habits. [1]
The Argentine black and white tegu has been a particular threat to native birds and reptiles that build nests or burrows on the ground. Notably, they exhibit a particular type of both predatory and competitive behavior known as intraguild predation , which worsens their invasive effect on wildlife: Argentine tegus will pursue and kill – but ...
Just prior to shedding, the skin becomes dull and dry looking and the snake's eyes turn cloudy or blue-coloured. The old layer of skin splits near the mouth and the snake wriggles out, aided by rubbing against rough surfaces. In many cases the cast skin peels backward over the body from head to tail, in one piece like an old sock.
Tegus are large reptiles, with some species reaching a total length of around 1.23 m (4.0 ft), [1] and a weight of approximately 6.8 kg (15 lb). These opportunistic, wide-ranging lizards can be found in a variety of habitats, from swamps to rain forests to savannas and cities. [ 2 ]
Snake scales are formed by the differentiation of the snake's underlying skin or epidermis. [7] Each scale has an outer surface and an inner surface. The skin from the inner surface hinges back and forms a free area which overlaps the base of the next scale which emerges below this scale. [8] A snake hatches with a fixed number of scales.
Snakeskin may either refer to the skin of a live snake, the shed skin of a snake after molting, or to a type of leather that is made from the hide of a dead snake. Snakeskin and scales can have varying patterns and color formations, providing protection via camouflage from predators. [1]
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Skin of a sand lizard, showing squamate reptiles iconic scales A white-headed dwarf gecko with shed tail. Reptiles are tetrapod animals in the class Reptilia, comprising today's turtles, crocodilians, snakes, amphisbaenians, lizards, tuatara, and their extinct relatives.