![]() They simply sense thermal radiation and they can detect the slightest temperature changes. This allows them to hunt during the night, as they don’t need their eyes. When it comes to hunting, rattlesnakes have a unique heat-sensing ability. Luckily, very few people die from rattlesnake bites because antivenin is available. Most bites happen because a person recognizes the snake, but refuses to move out of its way. To warn predators of their presence, rattlesnakes shake their rattle, which emits a characteristic noise.ĭespite their dangerous reputation, these types of vipers in the USA aren’t aggressive without provocation and will always rather crawl under a rock than fight. Rattlesnakes are characterized by the rattle on the end of the tail. Because of their high venom potency, these snakes are considered extremely dangerous and should be avoided if come across in the wild. There are 36 species of rattlesnakes, spread from Canada to Argentina. Scientific name (genera): Crotalus & Sistrurus Rattlesnakes Photo: Tucker Heptinstall / Shutterstock These particular night adders are recognized by two pale stripes that are found alongside the entire body. Because of this, their coloring is usually brown, allowing them to blend in with the ground. Night adders are mostly terrestrial snakes that stay close to the ground. They can’t grow past 26 inches in length, and they’re usually brown. Limited to the southern parts of central Africa, this viper usually inhabits forests and swamps where they mostly feed on frogs and toads. Lined Night Adders Photo: Stefano Speziali / Shutterstock They rarely grow larger than 28 inches, and they can be recognized by black patches down the brown back of the snake. They mostly feed on small frogs, while their venom is weak for humans and usually doesn’t cause anything more than local pain and swelling. ![]() Disregarding its name completely, these adders are active both during the day and the night. Located in western and central Africa, these snakes usually inhabit forests and savannahs, but they can seemingly survive in partly arid areas too. Aside from that, very little is known about their venom or their feeding habits. They usually live in forests and swamps, where they feed on small amphibians and mammals. These vipers are known to be good swimmers and they’ve spread to islands on lakes. It’s found in western, eastern, and central Africa. It was named after Martin Hinrich Lichtenstein, a German herpetologist. To clear up any confusion – this species does not occur in the country of Lichtenstein or any European country. See also 12 Types of Squirrels (with Pictures) 4. There’s no antivenin, but very few deaths (and bites in general) have been subscribed to these types of vipers in Africa. To intimidate predators, they blow themselves up and hiss aggressively – they can bite quickly and very little is known about their venom. Snouted night adders feed on frogs and they’re great swimmers. They leave their hideouts during the night to hunt. ![]() These light brown snakes occur in savannas and forests, usually staying near moist areas, where they hide during the day to cope with the heat. Their name derives from their very prominent snout, often pointing upwards. Usually found in eastern and southern Africa, snouted night adders are short snakes, rarely growing past 20 inches in length. This was demonstrated in laboratory conditions too, as snakes would only feed after dark. They’re mostly nocturnal and only hunt under the cover of the night. Just like their cousins, these snakes are extremely well-hidden and they’re seen very rarely. White-headed Fea vipers have almost completely white heads, while snakes with darker heads often have white bands across the head. ![]() ![]() These two snakes are the only members of the Azemiops genus, and the only noticeable difference between the two is the coloration of the head. They’re recognizable by their black body with a few cream bands, while the head is entirely cream-colored. These types of vipers in China aren’t large, with the largest specimens growing up to 30 inches in length. There, they live in open areas and forests, rarely wandering into human habitat. They’re found in parts of South and Central China, and even parts of Myanmar and Vietnam. While the population of these snakes is not at risk, they’re secretive and very rarely seen, so very little is known about them. Fea’s vipers are one of the two species of the Azemiops genus, endemic to Asia. ![]()
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