ROSÉ amp Venomous

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The MOST devastating SNAKES: Tropical FORESTS. #insects #biodiversity #wildlife #animal #animalwelfareactivist #ecology #nature #biodiversityconservation #conservation #wildlifeconservationist Vipers are snakes in the family Viperidae, found in most parts of the world, except for Antarctica, Australia,[2] Hawaii, Madagascar, New Zealand, Ireland, and various other isolated islands. They are venomous and have long (relative to non-vipers), hinged fangs that permit deep penetration and injection of their venom.[3] Three subfamilies are currently recognized.[4] They are also known as viperids. The name viper is derived from the Latin word vipera, -ae, also meaning viper, possibly from vivus ( living ) and parere ( to beget ), referring to the trait viviparity (giving live birth) common in vipers like most of the species of Boidae.[5] • Viper • Scientific classificationEdit this classification • Domain: • Eukaryota • Kingdom: • Animalia • Phylum: • Chordata • Class: • Reptilia • Order: • Squamata • Suborder: • Serpentes • Clade: • Colubroides • Family: • Viperidae • Oppel, 1811 • Synonyms[1] • Viperae Laurenti, 1768 • Viperini Oppel, 1811 • Viperidae Gray, 1825 • Description • edit • A rattlesnake skull, showing the long fangs used to inject venom • All viperids have a pair of relatively long solenoglyphous (hollow) fangs that are used to inject venom from glands located towards the rear of the upper jaws, just behind the eyes. Each of the two fangs is at the front of the mouth on a short maxillary bone that can rotate back and forth. When not in use, the fangs fold back against the roof of the mouth and are enclosed in a membranous sheath. This rotating mechanism allows for very long fangs to be contained in a relatively small mouth. The left and right fangs can be rotated together or independently. During a strike, the mouth can open nearly 180° and the maxilla rotates forward, erecting the fangs as late as possible so that the fangs do not become damaged, as they are brittle. The jaws close upon impact and the muscular sheaths encapsulating the venom glands contract, injecting the venom as the fangs penetrate the target. This action is very fast; in defensive strikes, it will be more a stab than a bite. Viperids use this mechanism primarily for immobilization and digestion of prey. Pre-digestion occurs as the venom contains proteases, which degrade tissues. Secondarily, it is used for self defense, though in cases with nonprey, such as humans, they may give a dry bite (not inject any venom). A dry bite allows the snake to conserve its precious reserve of venom, because once it has been depleted, time is needed to replenish it, leaving the snake vulnerable. In addition to being able to deliver dry bites, vipers can inject larger quantities of venom into larger prey targets, and smaller amounts into small prey. This causes the ideal amount of predigestion for the lowest amount of venom. • Almost all vipers have keeled scales, a stocky build with a short tail, and a triangle-shaped head distinct from the neck, owing to the location of the venom glands. The great majority have vertically elliptical, or slit-shaped, pupils that can open wide to cover most of the eye or close almost completely, which helps them to see in a wide range of light levels. Typically, vipers are nocturnal and ambush their prey. • • Arabian Horned Viper from Arabian Peninsula • Compared to many other snakes, vipers often appear rather sluggish. Most are ovoviviparous: the eggs are retained inside the mother's body, and the young emerge living. However, a few lay eggs in nests. Typically, the number of young in a clutch remains constant, but as the weight of the mother increases, larger eggs are produced, yielding larger young #insects #wildlife #animal #animalwelfareactivist #biodiversity #ecology #nature #biodiversityconservation #conservation

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