Some species, like pythons, pit vipers, and boas have infrared receptors located in grooves along their face, which helps them sense the heat of warm-blooded animals (prey). The tongue of snakes is extremely sensitive and can sense vibrations in the air, allowing them to navigate and hunt their prey. Snakes sense the world around them by using their tongue. Some pythons and anacondas are capable of surviving up to a year without food after they feed. Snakes typically don’t need to hunt every day. Constrictor snakes squeeze their prey to kill it and then swallow it while venomous snakes paralyze or kill their prey with their venom. Snakes have different methods of hunting. Larger snakes can eat whole deer and pigs. Some smaller snakes feed on things like termites, while many snakes eat birds, rodents, frogs and toads. The prey that a snake subsists on depends upon the type of snake and its size. Snakes are capable of consuming a wide variety of different insects and animals to sustain themselves. Viperidae, frequently just called vipers, including rattlesnakes, vipers, and other venomous snakes.Pythonidae is colloquially referred to as “pythons” and they include some of the longest snakes in the world.Snakes in the elapidae family are all venomous. Elapidae snakes include a variety of different venomous species slike taipan snakes, mambas and cobras.Boa snakes are all non-venomous constrictors. Boidae is the family that includes boa snakes and they make up 40 – 45 different individual snakes.They are referred to as colubrids, and they are mainly non-venomous. Colubridae snakes make up the majority of snakes on the planet, around 1900 different species.There are approximately 20 different families of snakes, most of which can be categorized in one of the five major snake families found below: The vast majority of snakes live in tropical regions, but snakes can make many different habitats their homes, including deserts, prairies, forests, and even bodies of water. Snakes also aren’t present in Iceland, Ireland, New Zealand, and Greenland. Snakes can be found on just about every continent, with the exception of Antarctica. “Every great story seems to begin with a snake.” - Nicholas Cage Of the approximately 2900 species of snakes on the planet, only around 375 of them are venomous. Though many people think of snakes as venomous creatures, in reality, most snakes don’t have venom. They have no limbs and have elongated bodies. Snakes are reptiles that belong to the suborder Serpentes. Photo: Tigerpython via Wikimedia Commons, CC-BY 3.0 A python wrapped around a clutch of eggs.
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