How do snakes move?

How do snakes move?

Snakes do not have legs, so they slither and slide. But what does this mean?

Snake locomotion (movement) can be serpentine, concertina, rectilinear, or sidewinding.

Serpentine movement is also called lateral undulation, and it is the most common way for snakes to move. The movement looks like an ‘S’ shape. Terrestrial snakes, that live on the ground, use this type of movement. Aquatic snakes, that live in water, also use this type of movement. 

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Caspian Cobra

The Caspian Cobra (Naja oxiana) is a medium-sized venomous snake, and reptile, in the Elapidae family. It is an elapid. It is also called the Central Asian Cobra, the Ladle Snake, the Oxus Snake, or the Russian Snake. 

The Caspian Cobra has an elliptical, hooded head with medium-sized eyes that have round pupils. It is light-brown to chocolate-brown or yellowish. It has several dark bands under its throat. 

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Adder

The Adder (Vipera berus berus) is a venomous snake. It is also known as the Common European Adder or the Common European Viper.

The Adder has a thick body with keeled (ridged or rough) scales and a large head. Its colour and pattern vary, but it is usually light-coloured with small crossbars or entirely brown with faint or clear dark-brown markings. It usually has a zig-zag pattern. Its eyes are quite large.

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Madagascar Tree Boa

The Madagascar Tree Boa (Sanzinia madagascariensis) is a non-venomous, colubrid, arboreal reptile in the boa species of snakes. It is a boid (pronounced bow-id). It is also known as the Malagasy Tree Boa.

The Madagascar Tree Boa is greenish, such as olive-green or bright green, depending upon the colour of the rain forest leaves and trees. In dry areas, it can be orange-brown. It has patterned scales of dark markings with whitish inner markings. It has dark eyes. 

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Ladder Snake

The Ladder Snake (Rhinechis scalaris orZamenis scalaris) is a medium-sized reptile and a colubrid (non-venomous) snake. It is related to the Ratsnake.

The Ladder Snake has yellowish to dark brown scales with two dark brown stripes running down the length of its body from neck to tail. It has a dark stripe at the back of its eye, angling down to its jaw. Its underbelly is pale, such as slivery-grey to whitish. It has a pointed snout (nose). It has dark eyes.

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Asp Viper

The Asp Viper (Vipera aspis aspis) is a venomous snake in the viper family. It is also known as the European Asp. 

The Asp Viper has a long, slim body with a broad, triangular head, and a distinctive neck. It has an upturned snout (nose). Generally, the male is grey with markings, and the female is grey or brown with markings. The markings are dark-brown to blackish bands with a brown line running down its spine. It has a postocular (below the eye) stripe, more visible on the male.

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Rhinoceros Ratsnake

The Rhinoceros Ratsnake (Gonyosoma boulengeri) is a non-venomous colubrid reptile in the Colubridae family. It is also known as the Vietnamese Longnose Snake.

The Rhinoceros Ratsnake is green with a prominent, distinctive protrusion of the front of its nose. The pointy protrusion—which looks like a rhinoceros horn—has scales like the rest of its body. It has 19 rows of dorsal (back) scales to its mid-body.

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What’s the difference between the Emerald Tree Boa and the Green Tree Python?

What is the difference between the Emerald Tree Boa (Corallus caninus) and the Green Tree Python (Morelia viridis)?

The Emerald Tree Boa and the Green Tree Python are both non-venomous arboreal (tree) reptiles and snakes.

The Emerald Tree Boa and the Green Tree Python are bright green with yellowish underbellies. 

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False Water Cobra

The False Water Cobra (Hydrodynastes gigas) is a venomous colubrid snake. It is not related to the cobra, but it can flatten its neck to make it look larger, just as a cobra does. It does not rear up like a cobra. It is also known as the Brazilian Smooth Snake.

The False Water Cobra is olive-green or brown with dark spots and bands.  It has large eyes with circular pupils. Its colour becomes darker towards its tail. It has good vision. It has rear fangs. Its tongue is black.

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Balkan Slow Worm

The Balkan Slow Worm (Pseudopus apodus) is a reptile. It is not a worm and it is not a snake. It is a legless lizard. It is also known as the Pallas’s Glass Lizard, the European Glass Lizard, the Sheltopusik, or the Giant Russian Legless Lizard.

The Balkan Slow Worm is brown with a yellow-beige belly. It has a segmented appearance that makes it look like a giant earthworm or a snake. It has a lateral groove along each side of its body. It has small (almost invisible), undeveloped rear legs. It is not a snake because it has eyelids (snakes do not have eyelids). It has a long tail. If the tail is lost, it grows back slowly, and is shorter and darker than its original tail.

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Monocled Cobra

The Monocled Cobra (Naja kaouthia) is a venomous snake, and a reptile. It has an O-shaped monocellate hood pattern, which is different from the spectacled pattern of the Indian Cobra.

The Monocled Cobra may be brown, yellow, grey, blackish, or albino, with or without banded markings. It becomes paler as it ages. It has a black spot on each side of its hooded head. It has a pair of fixed anterior (front) fangs.

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Taylor’s Cantil Snake

The Taylor’s Cantil (Agkistrodon tylori) is a venomous snake and a reptile. It is related to a pit viper. It is also known as the Ornate Cantil.

The Taylor’s Cantil has a thick dark-brown to black body with white, orange, or yellow bands. It also has white stripes with orange or yellow along both sides of its head and mouth. Its head is triangular. It has long, hinged fangs.

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