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Dibuix de Rhinoceros viper
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Rhinoceros viper

Bitis nasicornis
Sobre el nom: The common name refers to the horn-like scales on the end of its nose.1
Pot matarEt pot matar sense tractament. Si et mossega, busca ajuda de pressa.
Escurçons i vibres MossegadesMenja: Carn
Perill per a les persones: Molt perillósPot matar una persona que no rep tractament.

The rhinoceros viper is a large, stout snake with bright colours and two or three horn-like scales on its nose. It lives in forests across West and Central Africa. It is venomous, and its venom is mainly hemotoxic, meaning it attacks the blood and circulation.1

Viu a
Forests of West and Central Africa, from Guinea and Liberia to Ghana, and from Central African Republic to Uganda and western Kenya1
Àfrica
Inici
It mainly lives in forested areas and rarely goes into woodland. It hides by day in leaf litter, holes, around fallen trees or tangled tree roots. It is mainly on the ground but can climb into trees and thickets up to 3 m high, and is sometimes found in shallow pools.1
Llargada
de 72 cm a 1,1 m (de 2,4 ft a 3,5 ft)1
Velocitat màxima
uns 3,6 km/h (2,2 mph)
A terra, estimació aproximada
Què menja?
It mainly eats small mammals, and in wetland habitats it also takes toads, frogs and fish. It hunts by ambush, often staying still for long periods while waiting for prey to pass by.1
De debò!Foto de Rhinoceros viper
Rhinoceros viper. Foto: Holger Krisp. CC BY 3.0, Wikimedia Commons.

Com reconèixer-lo

  • Large and stout, with rough, heavily keeled scales1
  • Two or three horn-like scales on the end of the nose, the front pair often long1
  • Series of blue or blue-green oblong markings, each with a lemon-yellow line down the centre, set within black blotches1
  • Dark crimson triangles down the flanks, bordered with green or blue1
  • Top of the head blue or green, with a black arrow mark1

Sovint es confon amb: The name horned puff adder is also used for Bitis caudalis (horned adder), which is a different species. Because of this, names can cause confusion, so the name butterfly viper is preferred.1

Poder del verí

Mossegades

El verí surt pels ullals o les dents quan mossega.

Què fa el seu verí?

Its venom is mainly hemotoxic, which attacks the circulatory system, destroying tissue and blood vessels and causing internal bleeding. It also has a neurotoxic component, which attacks the nerves. Small doses of the venom can be deadly. In the few detailed reports of human bites, massive swelling was described, which may lead to necrosis (death of tissue).1

Com de perillós és per a les persones?

Perill per a les persones: Molt perillósPot matar una persona que no rep tractament.

Because its range is restricted, few bites have been reported and no statistics are available. In 2003 a man in Dayton, Ohio, who kept one as a pet, was bitten and died.1

Bona notícia: els metges tenen un medicament (l'antiverí) o un tractament per a això.1

Què fa quan té por?

When approached it often reveals its presence with a very loud hiss, almost a shriek, and it can strike quickly forwards or sideways without coiling first or giving a warning.1

Si mossega

  • Mantén la persona quieta i tranquil·la, mantén l'extremitat mossegada a l'altura del cor, treu-li anells i coses que estrenyin i porta-la de pressa a un hospital.

Truca sempre primer al número d'emergències (112, 000, 911). Això són pautes generals de primers auxilis, no consells mèdics. Primers auxilis bàsics

Estigues segur

  • No toquis, atrapis ni molestis mai un animal salvatge, encara que sigui petit i encara que sembli adormit o mort.
  • Deixa-li espai. Si en trobes un, mantén la calma, recula a poc a poc i deixa que segueixi el seu camí.
  • Si te'n mossega un: mantén la calma, no et moguis, truca al número d'emergències (112, 000, 911) o ves de pressa a un hospital. Recorda com era, una foto ajuda.

No va a per tu. Fa servir el verí per caçar o per defensar-se, i prefereix mil vegades amagar-se. Més sobre com estar segur

Que gran és?

Quant fa de llarg?

Rhinoceros viper uns 1,1 m de llarg (3,5 ft)Un gos uns 1 m (3,3 ft)Un adult uns 1,7 m (5,6 ft)
fa de llarg com 2 gats de casa del nas a la cuafa de llarg com 6 plàtans en filapodria recórrer 100 metres en 100 segons (l'humà més ràpid necessita 9,6)

Que gran és Rhinoceros viper comparat amb TU?

Només càlculs al teu navegador. No es desa ni s'envia res enlloc.

Com de ràpid va?

val la pena saber-ho

Dades

1

Its scales are so rough that they can cut people who handle a snake that is struggling.1

2

Its vivid colours break up its outline in the dappled light of the forest floor, so it is very hard to see.1

3

Its fangs are not large, rarely more than 1.5 cm long, and when not in use they fold up into the roof of its mouth.1

4

Its bright colours fade quickly after it sheds its skin, as silt from its moist habitat builds up on its rough scales.1

5

At least one antivenom, called India Antiserum Africa Polyvalent, protects specifically against bites from this species.1

Desmuntamites

Mite: Its bright colours make it easy to spot in the forest.

Veritat: Its colours give it excellent camouflage in the dappled light of the forest floor, which can make it almost invisible.1

Per a experts en verins

Nom científic
Bitis nasicornis
Grup
Escurçons i vibres
Família
Viperidae2
Ordre
Squamata
Continents
Àfrica
Cries
It gives birth to live young, between six and 38 in West Africa, in March and April at the start of the rainy season.1
Perill per a les persones
4 / 5: Molt perillós3

D'on surten les dades

  1. Bitis nasicornis (Wikipedia (CC BY-SA 4.0))
  2. Bitis nasicornis (iNaturalist): noms i classificació.
  3. Venom Wiki: el nivell de perill, la mida típica i la velocitat estimada són nostres. Mira com els calculem: Com valorem el perill.

Cada dada d'aquesta pàgina té un número que porta a la seva font. Si ens hem equivocat en alguna cosa, perdona, som fans dels animals, no una revista científica. Escriu-nos a [email protected] i ho arreglarem.

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