When Rohan Pandit and Wangchu Phiang accidentally stumbled upon a brown snake on a steep slope of a forest in the northeastern state of Arunachal Pradesh in India, little did they know that the reptile had never been formally described before. Now, in a new paper, researchers have described this snake as a new-to-science species […]
Russell's Viper ( Daboia russelii ) is one of the Big Four venomous snakes in India. It is found throughout the India except the north-east. It belongs to the Viperidae Subfamily and Daboia genus. Russell's Viper The Russell's Viper averages at 4ft (1.2 m) in length and can grow to a maximum length of 5.5ft. They have a short and stout body but compared to most other vipers, it is slenderly built. Identification of the Russell's Viper : 1. Head : They have a flat, triangular head which is clearly broader than the neck. The head has small shaped keeled scales. The nostrils are quite large and conspicuous and are separated by a single nasal scale. Head of a Russell's Viper. 2. Dorsal Body : Body is stout shaped and has shine-less pointed keeled scales. General body colour is brown, deep yellow, tan or dark gray with spots of dark brown or blackish colour present. Juveniles are of a darker colour compared to the fully grown adults which are more yellowish-brown. Pointed, keeled scales of the Russell's Viper. The patterns on the dorsal body are also seen. 3. Ventral Body : Ventral body is of white or yellow colour with semi-lunar patterns in blackish or brown colour. Ventral body with semi-lunar spots. 4. Tail : The tail is small and pointed with faint or absolutely no patterns or spots in adults. Juveniles may have visible patterns on their tails. It can be seen that the patterns in the tail are faint. 5. Patterns on body : Continuous or discontinuous eye shaped patterns are found along the length of the dorsal body, with each of them having a blackish or dark brown outer ring with a white or yellowish outer rim. The colour inside these spots may be of a colour darker, lighter or same as main dorsal surface or may be filled with same dark color as that of the border. These spots are present in three longitudinal rows from the head and generally become faint or absent in the tail. The spots on the side are more round in shape and are generally discontinuous. Patterns on a Russell's Viper On this Russell's Viper, the colour inside the spots are same as the colour of the border. The side spots can be observed in this picture. Generally they have a rounder shape and are discontinuous. 6. Eyes : The eyes are large, flecked with yellow or gold. They have a elliptical or slit shaped vertical pupil. Eyes with a vertical pupil. 7. Sound : When the Russell's viper is threatened, it coils around, raises one-third of its body up and produces a hiss which sounds like a whistle. Russell's viper coiled with head in the center. General Behavior : The Russell's viper is a nocturnal species, though it can be found in the day under trees or bushes basking. Generally sluggish but can become aggressive on provocation. The Russell's viper prefers to stay on the ground but can climb up to certain heights during adverse conditions. It is a silent species and generally avoids attacking when provoked. It gives a warning sound (whistle like hiss) and raises one-third of its body off the ground. Bites usually occur when people don't see it in its natural habitat and step on it accidentally.The bite can be just a snap or the fangs can hang on for a few seconds. Venom : The Russell's viper has venom which is hemotoxic. The venom is injected into the prey by its fangs which are like hypodermic needles. Envenomation symptoms begin with pain in the site of the bite followed by swelling. Bleeding from the gums and blood in urine is a common symptom. There is a drop in blood pressure and heart rate falls. Vomiting and facial swelling occur in one-third of the cases. Severe pain may last up to two weeks. Local swelling peaks in 48 - 72 hours. Death from kidney, respiratory failure may occur 1 - 14 days post bite or later. Early medical treatment and early access to antivenom can prevent and drastically reduce the chance of developing the severe/potentially lethal complications. Immediate First-Aid for bites by Russell's Viper Keep the victim calm and reassured. If possible, rest the bitten limb at a level lower than the victim's heart. Immediately wrap a constricting bandage just above the bite site. The constricting bandage should be tight enough so as to not constrict blood flow. Do not remove the bandage until the victim is in the hospital and receiving antivenom.
The venomous pit vipers snake species includes hump-nosed pit viper,Mangrove pit viper and Malabar Pit Viper. Russell's Viper and Saw-scaled Viper are two most venomous vipers species found in India and member of big four poisonous and deadliest snakes in India. Hump Nosed Pit Viper Hump Nosed Pit Viper is the most poisonous pit vipers
The Venomous Vipers Vipers are some of the most specialized Reptiles on the planet with their foldable fangs and potent venom. Because of their deadly saliva mix, Vipers are considered to be highly advanced compared to all ancestral snakes. This
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Learn about the Russell's Viper (Daboia russelii), a venomous snake species found in South Asia.
Indian subcontinent is home to some of the most dangerous and deadliest snake species that includes King Cobra,Spectacled Cobra, Indian Krait,Pit Viper and Indian Rock Python. 60 Out of 270 species of snakes found in India are highly venomous, It includes the big four snakes,venom of a these four snakes are responsible for the most
Learn about the Saw-scaled viper (Echis carinatus), a venomous snake species found in South Asia.
The dark, dense forests of India are the ideal habitat for venomous animals. These forests offer abundant prey for giant snakes, scorpions and poisonous spiders.With 270 species of snakes, 60 of whom are highly venomous, there is no dearth of lethal animals in India, including the king cobra, the deadliest snake in the world. Among them are the so-called big four snakes of India; the Indian or spectacled cobra, the common krait, the Russell's viper and the saw-scaled viper. Nearly 50,000 people die each year due to snake bites in India.The tropical country is also the home of the deadly black and red scorpions. Spiders belonging to the tarantula family are also found in the Western and Eastern ghats of India, where there is dense foliage. Want to learn more? Stay with us at AnimalWised and discover the 10 most venomous animals in India.
Learn about the Russell's Viper (Daboia russelii), a venomous snake species found in South Asia.
Learn about the Bamboo pit viper (Craspedocephalus gramineus), a Highly venomous snake species found in South Asia.
The poisonous snakes of India.. London:J. & A. Churchill,1878.. biodiversitylibrary.org/page/12302060 The #Indian #Cobra is 1 of the "Big 4" - 4 snakes that inflict most snake bites in India. See it in #bhlib biodiversitylibrary.org/page/12302060
Learn about the Russell's Viper (Daboia russelii), a venomous snake species found in South Asia.
Learn about the Russell's Viper (Daboia russelii), a venomous snake species found in South Asia.
