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Common lancehead

Bothrops atrox
Oor die naam: The name fer-de-lance comes from French and means 'head of a lance' or 'spearhead'. The Spanish name barba amarilla means 'yellow beard', after the pale-yellow chin.1
DodelikEen van die dodelikste diere op aarde. As dit jou byt, roep dadelik hulp.Vinnige hulp en teengif red die meeste mense. Bel dadelik jou noodnommer.
Groefkopadders ByteEet: Vleis
Gevaar vir mense: DodelikEen van die gevaarlikste diere in die wêreld.

The common lancehead is a highly venomous pit viper that lives in the tropical lowlands of northern South America and on the Caribbean island of Trinidad. It is one of the most common pit vipers in its range and is not endangered. Its venom disrupts blood clotting, which makes its bite especially serious.1

Leef in
Tropical lowlands of northern South America east of the Andes, and the Caribbean island of Trinidad1
Suid-Amerika
Tuis
It is mostly found on the ground and prefers wet forests. In Trinidad it lives from sea level up to 940 m. It is also met in coffee and banana plantations, where it hunts rodents and where workers are often bitten.1
Lengte
75 cm tot 1,6 m (2,5 ft tot 5,3 ft)1
Topspoed
omtrent 3,9 km/h (2,4 mph)
Op land, rowwe skatting
Wat eet dit?
It mainly eats small mammals such as rodents and opossums, and birds, but also takes frogs, lizards, smaller snakes, fish, crayfish, centipedes and tarantulas. Larger prey is struck and released, then tracked down by its scent trail.1
Regtig waar!Foto van Common lancehead
Common lancehead. Foto: Alexandre S. Michelotto. CC BY-SA 4.0, iNaturalist.

Hoe om dit te herken

  • Ground colour is olive, brown, tan, grey or yellow, and rarely rusty.1
  • The body pattern is a series of blotches that often fuse into bands. The markings are X-like, which is why some local names refer to the letter X.1
  • The chin is pale yellow, and a dark stripe runs from behind the eye to the corner of the mouth.1
  • The irises are gold or bronze, and the tongue is black.1
  • Adults usually measure 75 to 125 cm in total length and are moderately heavy-bodied.1

Word dikwels verwar met: It is often confused with Bothrops asper, which was once included in this species. Most authorities now consider B. asper to be a separate species. This confusion also makes reports of its maximum size unclear.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 haemorrhagic, meaning it damages the lining of blood vessels and uses up the substances that allow blood to clot. Symptoms can include severe bleeding, kidney failure, abnormal clotting, blisters and necrosis (death of body tissue). Bleeding in the brain can also occur. Recovery from the clotting problem has been seen 14 to 30 hours after a bite.1

Hoe gevaarlik is dit vir mense?

Gevaar vir mense: DodelikEen van die gevaarlikste diere in die wêreld.

The bite is serious and can be fatal. Plantation workers are often bitten. Juvenile snakes have more lethal venom that kills more quickly, and people bitten by young snakes are more likely to develop the clotting problem. In a case reported in the Brazilian Amazon, the patient died of a stroke even after antivenom was given. A Mexican polyvalent antivenom tested against it had no effect on the clotting problem.1

Wat doen dit as dit bang is?

It is easily agitated, and it can lie camouflaged for hours, nearly undetectable, then strike at high speed.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?

AfrikaAsiëEuropaNoord-AmerikaSuid-AmerikaAustralië & Oseanië

Hoe groot is dit?

Hoe lank is dit?

Common lancehead omtrent 1,6 m lank (5,3 ft)'n Hond omtrent 1 m (3,3 ft)'n Grootmens omtrent 1,7 m (5,6 ft)
so lank soos 3 huiskatte neus tot stertso lank soos 9 piesangs punt aan puntkan 100 meter in 92 sekondes aflê (die vinnigste mens het 9,6 nodig)

Hoe groot is Common lancehead in vergelyking met JOU?

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

Hoe vinnig is dit?

die moeite werd om te weet

Feite

1

An enzyme called reptilase, or batroxobin, is taken from its venom and used in modern medical laboratories to measure fibrinogen levels and blood clotting. The enzyme is not affected by heparin.1

2

Although it is mostly terrestrial, it is an excellent swimmer and will climb trees when needed to reach prey.1

3

Females with developing embryos move in and out of sunlight to keep themselves and the embryos at a constant temperature.1

4

Venom yield averages 124 milligrams, but can reach 342 milligrams.1

5

Despite the large-scale destruction of rainforests, it is among the most numerous and common of pit vipers.1

Vir gifkenners

Wetenskaplike naam
Bothrops atrox
Groep
Groefkopadders
Familie
Viperidae2
Orde
Squamata
Kontinente
Suid-Amerika
Babas
It gives birth to live young, up to 80 at once, with an average of about 60 per litter in equatorial regions after a gestation of three to four months.1
Hoe dit in die natuur gaan
Not endangered1
Gevaar vir mense
5 / 5: Dodelik3

Waar die feite vandaan kom

  1. Bothrops atrox (Wikipedia (CC BY-SA 4.0))
  2. Bothrops atrox (iNaturalist): name en klassifikasie.
  3. 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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