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Snakes have a wide diversity of skin coloration patterns which are often related to behavior, such as the tendency to have to flee from predators. Snakes that are at a high risk of predation tend to be plain, or have longitudinal stripes, providing few reference points to predators, thus allowing the snake to escape without being noticed.
A nail is a protective plate characteristically found at the tip of the digits (fingers and toes) of all primates, corresponding to the claws in other tetrapod animals. . Fingernails and toenails are made of a tough rigid protein called alpha-keratin, a polymer also found in the claws, hooves, and horns of ver
Snakes are thought to have evolved from either burrowing or aquatic lizards, perhaps during the Jurassic period, with the earliest known fossils dating to between 143 and 167 Ma ago. The diversity of modern snakes appeared during the Paleocene epoch ( c. 66 to 56 Ma ago, after the Cretaceous–Paleogene extinction event ).
This is a list of extant snakes, given by their common names. Note that the snakes are grouped by name, and in some cases the grouping may have no scientific basis. Contents:
Snakes in Mexican folk culture tell about the fear of the snake to the pregnant women where the snake attacks the umbilical cord. [1] The Great Goddess often had snakes as her familiars, sometimes twining around her sacred staff, as in ancient Crete, and they were worshipped as guardians of her mysteries of birth and regeneration. [2]
Most birds have four toes. The first points backwards in most species while the second, third and fourth digits point forwards. The fifth toe is lost completely except in some birds where it has become a spur. A number of birds have spurs on their feet or legs, usually formed from the lower portion of the tarsometatarsus bone.
The Texas coral snake has the traditional coloration associated with coral snakes: black, yellow, and red rings. [3] These rings extend onto their belly. [4] It is capable of growing to 48 in (122 cm) in total length (including tail), but most are closer to 24 in (61 cm). [3]
Sea snakes, or coral reef snakes, are elapid snakes that inhabit marine environments for most or all of their lives. They belong to two subfamilies, Hydrophiinae and Laticaudinae . Hydrophiinae also includes Australasian terrestrial snakes, whereas Laticaudinae only includes the sea kraits ( Laticauda ), of which three species are found ...