Ornate flying snake (Chrysopelea)

Chrysopelea, or more commonly known as the flying snake, is a genus that belongs to the family Colubridae. Flying snakes are mildly venomousthough they are considered harmless because their toxicity is not dangerous to humans. Their range is in Southeast Asia, southernmost China, India, and Sri Lanka.
It glides by using its ridge scales along its belly, pushing against rough bark surface of tree trunks, allowing it to move vertically up a tree.
Once it decides on a destination, it propels itself by thrusting its body up and away from the tree, sucking in its stomach, flaring out its ribs to turn its body in a "pseudo concave wing" all the while making a continual serpentine motion of lateral undulation, parallel to the ground to stabilise its direction in midair in order to land safely. Their ability to glide has been an object of interest for physicists and the United States Department of Defense in recent years, and studies continue to be made on what other, more subtle, factors contribute to their flight.
 According to recent research conducted by the University of Chicago, scientists discovered a correlation between size and gliding ability, in which smaller flying snakes were able to glide longer distances horizontally. Flying snakes are diurnal, which means they hunt during the day, preying upon lizards, frogs, birds and bats.

 There are three species of flying snake
1.Ornate flying snake-This is the largest species of flying snake, reaching up to four feet in length.
2.Paradise tree snake-This flying snake species reaches up to three feet in length and is popular in the European pet trade.
3.Twin-barred tree snake or banded flying snake-This is the smallest flying snake species, reaching up to two feet in length.

Snouted cobra

The snouted cobra is a relatively large species of cobra. Adult specimens average between 1.2 to 1.8 metres (3.9 to 5.9 ft) in length but they may reach lengths of 2.5 metres (8.2 ft). Colouration of dorsal scales may vary from yellowish to greyish brown, dark brown or blue-black. Ventral scale colouration is yellow with darker mottles. A banded phase occurs throughout the species' range and is blue-black with 7-11 yellow to yellow-brown cross bars, the lighter bands being half the width of the darker bands. The latter colour phase is more common in males. Ventrally, yellow mottled with black. A darker throat band is present and is usually more prominent in juveniles
Habitat and ecology
Snouted cobras inhabit arid and moist savanna, particularly in bushveld and lowveld areas. It is not found in forests. As a large cobra, it likes to have a permanent home base or lair in an abandoned termite mound where it will reside for years if left undisturbed. It is a nocturnal species, foraging for food from dusk onwards, often venturing into poultry runs. It enjoys basking in the sun during the day near its lair or retreat. Not a particularly aggressive species, but will assume a formidable posture if cornered. Very large adults are able to lift as much as half a metre of the body off the ground while spreading a wide, impressive hood. However, given the opportunity it will escape to the nearest hole or crevice. Like the Rinkhals it may sham death if threatened, but this is rare. It preys on toads, rodents, birds and their eggs, lizards and other snakes, especially puff adders (Bitis arietans). It often raids poultry runs and can become a nuisance. It is preyed upon by birds of prey and other snakes.
Venom
It is a highly venomous species with neurotoxic venom. A bite can affect breathing and if left untreated may cause respiratory failure and death. Initial symptoms include pain and local swelling that may result in blistering. Typically, victims are bitten on the lower leg, usually at night.
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Cottonmouth snake

The name cotton mouth is originate from the cotton like color in its mouth.It is a widespread misunderstanding that the Cottonmouth snake is aggressive compared to other snakes.
In a study by Gibbons and Dorcas (1998)1, this misunderstanding was challenged when data suggested that the Cottonmouth is not as aggressive as people believe.
Cottonmouth snake like to eat reptiles, fish, amphibians, invertebrates, birds, and mammals.
The Cottonmouth produces its venom in glands close to where the jaws join. When it bites, the muscles around the glands squeeze venom from the glands through ducts through to the fangs. The venom destroys blood cells and reduces the normal coagulation and clotting abilities of the blood. This results in hemorrhaging where the poison has penetrated into the prey.