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Saharan horned viper

Cerastes cerastes

Oor die naam: It is named after the pair of horn-like scales above each eye.1

Moet 'n dokter sienSelde dodelik, maar 'n byt moet deur 'n dokter gesien word.

Adders & vipers

ByteEet: Vleis

Gevaar vir mense: Ernstig'n Byt moet deur 'n dokter gesien word. Sterftes is baie skaars.

The Saharan horned viper is a venomous snake that lives in the deserts of North Africa and parts of the Arabian Peninsula. It has a pair of small, horn-like scales above its eyes. Its venom can cause serious harm, so it is important to know what it looks like.1

Leef in

Deserts of Northern Africa, parts of the Arabian Peninsula and the Levant1

Afrika, Asië

Tuis

It prefers dry, sandy areas with a few rocky outcrops, but avoids coarse sand. It is sometimes found around oases and up to 1,500 metres above sea level. It prefers cooler places, where annual average temperatures are 20 °C or less.1

Lengte

30 cm tot 85 cm (1 ft tot 2,8 ft)1

Topspoed

omtrent 3,3 km/h (2,1 mph)

Op land, rowwe skatting

Wat eet dit?

It mainly eats lizards, especially geckos, small rodents and birds. It is an ambush predator that lies buried in sand next to rocks or under vegetation. It sometimes travels long distances at night to find prey.1

Foto van Saharan horned viper — Saharan horned viper. Foto: Bernard DUPONT. CC BY-SA 4.0, iNaturalist.

Hoe om dit te herken

A pair of horn-like scales sits above each eye, although some individuals have no horns.1
Its colour is yellowish, pale grey, pinkish, reddish or pale brown, and almost always matches the sand or soil where it lives.1
A row of dark, semi-rectangular blotches runs along its back, and the belly is white.1
Its tail is usually thin and may have a black tip.1
It moves by sidewinding, pressing its body into the sand and leaving whole-body impressions.1

Word dikwels verwar met: Its close relative Cerastes gasperettii was once considered a subspecies of this snake. The Saharan horned viper has a larger head relative to its body and horns are more common in it. When threatened, it rubs its coils together to make a rasping noise, which is similar to the sound made by snakes of the genus Echis, so sound alone does not identify it.1

Gifkrag

Byte

Gif kom deur sy giftande of tande uit wanneer dit byt.

Wat doen sy gif as dit byt of steek?

Its venom is reported to act much like the venom of Echis snakes. A bite usually causes swelling, bleeding (haemorrhage), tissue death (necrosis), nausea, vomiting and blood in the urine. A high level of phospholipase A2, an enzyme that damages cells, may cause heart and muscle damage.1

Hoe gevaarlik is dit vir mense?

Gevaar vir mense: Ernstig'n Byt moet deur 'n dokter gesien word. Sterftes is baie skaars.

The estimated lethal dose of venom for a human is 40–50 mg of dried venom. Its venom is strong enough to cause serious harm in people.1

Wat doen dit as dit bang is?

If threatened, it forms a C-shaped posture and rapidly rubs its coils together, producing a rasping noise. It is otherwise fairly placid.1

As dit byt

Hou die persoon stil en kalm, hou die gebyte arm of been op hartvlak, haal ringe en stywe goed af, en kom vinnig by 'n hospitaal uit.

Bel altyd eers jou noodnommer (112, 000, 911). Dit is algemene noodhulpraad, nie mediese advies nie. Noodhulp-basiese beginsels

Bly veilig

Moet nooit aan 'n wilde dier raak, dit vang of terg nie, selfs nie 'n kleintjie nie, en selfs nie as dit lyk of dit slaap of dood is nie.
Gee dit spasie. As jy een raakloop, bly kalm, stap stadig terug en laat dit sy eie pad gaan.
As een jou byt: bly kalm, bly stil, bel jou noodnommer (112, 000, 911) of kom vinnig by 'n hospitaal uit. Onthou hoe dit gelyk het, 'n foto help.

Dit is nie uit om jou te kry nie. Dit gebruik sy gif om kos te vang of om homself te beskerm, en kruip baie eerder weg. Meer oor veilig bly

Waar in die wêreld?

Afrika Asië Europa Noord-Amerika Suid-Amerika Australië & Oseanië

Hoe groot is dit?

Hoe lank is dit?

so lank soos 1,5 huiskatte neus tot stertso lank soos 5 piesangs punt aan puntkan 100 meter in 110 sekondes aflê (die vinnigste mens het 9,6 nodig)

Hoe groot is Saharan horned viper in vergelyking met JOU?

Net wiskunde in jou blaaier. Niks word gestoor of enige plek heen gestuur nie.

Hoe vinnig is dit?

'n Skilpad omtrent 0,3 km/h (0,19 mph)

Saharan horned viper omtrent 3,3 km/h (2,1 mph)

'n Mens wat loop omtrent 5 km/h (3,1 mph)

die moeite werd om te weet

Feite

Its venom is strong enough that an estimated 40–50 mg could be lethal to a human.1

Its scales are strongly keeled, which is what makes its rasping warning sound.1

When it moves by sidewinding, its body leaves impressions in the sand that can be used to count its ventral scales.1

In ancient Egypt, a hieroglyph of this snake was used for the letter f, based on the species name ft.1

Females grow larger than males, and males have larger heads and eyes.1

Mite-breker

Mite: All Saharan horned vipers have horns above their eyes.

Waarheid: Hornless individuals do occur, although many have the horns.1

Vir gifkenners

Wetenskaplike naam: Cerastes cerastes
Groep: Adders & vipers
Familie: Viperidae2
Orde: Squamata
Kontinente: Afrika, Asië
Babas: It lays eggs, 8–23 at a time, under rocks and in abandoned rodent burrows. The eggs hatch after 50 to 80 days.1
Gevaar vir mense: 3 / 5: Ernstig3

Waar die feite vandaan kom

Cerastes cerastes (Wikipedia (CC BY-SA 4.0))
Cerastes cerastes (iNaturalist): name en klassifikasie.
Venom Wiki: die gevaarvlak, die tipiese grootte en die spoedskatting is ons eie. Kyk hoe ons dit uitwerk: Hoe ons gevaar gradeer.

Elke feit op hierdie bladsy het 'n nommer wat na sy bron wys. As ons iets verkeerd het, jammer, ons is dierfanatici, nie 'n wetenskaplike joernaal nie. Laat weet ons by [email protected] en ons maak dit reg.

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