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Debuxo de Russell's viper
N.º 0316 de 1 402

Russell's viper

Daboia russelii
Sobre o nome: It is named after Patrick Russell, a naturalist who described the snake in 1796. The genus name is thought to come from the Hindi word daboyā, meaning "that lies hid" or "the lurker".1
MortalUn dos animais máis mortais da Terra. Se te morde, pide axuda de inmediato.A axuda rápida e o antiveleno salvan á maioría das persoas. Chama de inmediato ao teu número de emerxencias.
Perigo para as persoas: MortalUn dos animais máis perigosos do mundo.

Russell's viper is a highly venomous snake of South Asia. It is one of the "Big Four" venomous snakes of the region, known for a bite that is extremely painful. It often lives close to people because it hunts the rodents found in farms and villages.1

Vive en
India, Sri Lanka, Bangladesh, Nepal and Pakistan, in South Asia1
Asia
Inicio
It lives in open grassy or bushy areas, scrub jungle, forest plantations and farmland, mostly on plains, coastal lowlands and hills. It is often found in urbanised areas and villages, where rodents are common, so people working outside in these areas are most at risk of being bitten.1
Lonxitude
1,7 m (5,4 ft)1
Velocidade máxima
uns 3,9 km/h (2,4 mph)
En terra, estimación aproximada
Que come?
It feeds mainly on rodents. It also eats small reptiles, land crabs, scorpions and other arthropods. Young snakes hunt lizards at dusk, and they become rodent specialists as they grow.1
De verdade!Foto de Russell's viper
Russell's viper. Foto: AChawla. CC BY-SA 3.0, Wikimedia Commons.

Como recoñecelo

  • A deep yellow, tan or brown body with three rows of dark brown spots running along its length1
  • Each dark spot has a black ring with a white or yellow rim around it1
  • A pair of dark patches on the temples, and a pinkish, salmon or brownish V or X marking on the head1
  • A flattened, triangular head that is clearly separate from the neck1
  • A stout, rounded body with a short tail, about 14% of total length1

Adoita confundirse con: The rough-scaled sand boa, Eryx conicus, often has a colour pattern similar to Russell's viper. It is completely harmless, so care is still needed with any snake that looks like this.1

Poder da pezoña

Morde

A pezoña sae polos seus cairos ou dentes cando morde.

Que fai a súa pezoña?

Its fangs are long and hollow, and it produces a large amount of venom, with adults yielding about 130 to 250 mg in some reports. Bite symptoms begin with severe pain and swelling, followed by bleeding from the gums and in the urine, a drop in blood pressure and a slower heart rate. Blistering can spread along the limb, and kidney failure occurs in about 25 to 30 percent of untreated bites.1

Que perigoso é para as persoas?

Perigo para as persoas: MortalUn dos animais máis perigosos do mundo.

It is known for an extremely painful bite and is one of the "Big Four" venomous snakes of the region. The lethal dose for most humans is about 40 to 70 mg, which is within the amount one bite can deliver. Death can follow 1 to 14 days after the bite, or sometimes later, from infection, kidney failure, breathing failure or heart failure. In one study of people who survived bites, 29% suffered severe damage to the pituitary gland, which later caused hypopituitarism.1

Boas novas: os médicos teñen un medicamento (antiveleno) ou un tratamento para isto.1

Que fai cando ten medo?

When threatened, it forms a series of S-shaped loops, raises the front third of its body and hisses loudly.1

Se morde

  • Early medical treatment and early access to antivenom can prevent severe complications and greatly reduce the chance of a fatal outcome. Seek medical care as soon as possible after any bite.1
  • Mantén a persoa quieta e tranquila, mantén o membro mordido á altura do corazón, quítalle aneis e cousas apertadas e vai rápido a un hospital.

Chama sempre primeiro ao teu número de emerxencias (112, 000, 911). Isto son consellos xerais de primeiros auxilios, non consello médico. Primeiros auxilios básicos

Mantente a salvo

  • Nunca toques, collas nin molestes un animal salvaxe, aínda que sexa pequeno e aínda que pareza durmido ou morto.
  • Déixalle espazo. Se atopas un, mantén a calma, recúa amodo e déixao ir polo seu camiño.
  • Se un te morde: mantén a calma, non te movas, chama ao teu número de emerxencias (112, 000, 911) ou vai rápido a un hospital. Lembra como era, unha foto axuda.

Non vai a por ti. Usa a súa pezoña para cazar comida ou para defenderse, e prefire con moito agocharse. Máis sobre como estar a salvo

Que tamaño ten?

Canto mide?

Russell's viper mide uns 1,7 m (5,4 ft)Un can uns 1 m (3,3 ft)Un adulto uns 1,7 m (5,6 ft)
mide coma 3 gatos domésticos do fociño á colamide coma 9 bananas postas en filapodería percorrer 100 metros en 92 segundos (o humano máis rápido precisa 9,6)

Que tamaño ten Russell's viper comparado CONTIGO?

Só son contas no teu navegador. Non se garda nin se envía nada a ningures.

Que rápido é?

paga a pena sabelo

Datos

1

When it strikes, it can exert so much force that large individuals lift off the ground.1

2

Its hiss is said to be louder than that of any other snake.1

3

Adults are usually slow and sluggish and rarely attack unless provoked, but they can strike very quickly.1

4

A harmless sand boa has evolved a colour pattern that looks like this viper, which may help it avoid predators.1

5

The mother can take nearly 4.5 hours to give birth, as one recorded birth of 11 young shows.1

Desmontamitos

Mito: Russell's vipers chase people and bite them.

Verdade: They usually do not attack unless provoked. Their threat display of S-shaped loops and hissing has led to the belief that they chase people, but they are strong and may react violently if picked up.1

Para expertos en pezoñas

Nome científico
Daboia russelii
Grupo
Víboras e outras serpes da familia
Familia
Viperidae2
Orde
Squamata
Continentes
Asia
Crías
It gives birth to live young (ovoviviparous). Litters of 20 to 40 are common, though a litter may be as small as one, and the reported maximum is 75.1
Perigo para as persoas
5 / 5: Mortal3

De onde veñen os datos

  1. Russell's viper (Wikipedia (CC BY-SA 4.0))
  2. Daboia russelii (iNaturalist): nomes e clasificación.
  3. Venom Wiki: o nivel de perigo, o tamaño típico e a velocidade estimada son nosos. Mira como os calculamos: Como valoramos o perigo.

Cada dato desta páxina ten un número que leva á súa fonte. Se nos equivocamos nalgo, sentímolo, somos fans dos animais, non unha revista científica. Dínolo en [email protected] e arranxarémolo.

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Máis do mesmo grupo: Víboras e outras serpes da familia

Tamén vive en: Asia

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