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Tiger rattlesnake

Crotalus tigris
Om navnet: The Latin name tigris means 'tiger', because its many narrow crossbands look like vertical stripes when seen from the side.1
Skal ses af en lægeSjældent dødelig, men et bid skal ses af en læge.
Klapperslanger BidSpiser: Kød
Fare for mennesker: AlvorligEt bid skal ses af en læge. Dødsfald er meget sjældne.

The tiger rattlesnake is a small rattlesnake with a very venomous bite. It lives in the deserts and rocky hills of the southwestern United States and northwestern Mexico. Its venom is among the most toxic of any rattlesnake, so it is important to recognise it and give the right first aid after a bite.1

Lever i
Southwestern United States (central and south-central Arizona) and northwestern Mexico (southern Sonora)1
Nordamerika
Forside
It lives in rocky desert canyons, foothills and bajadas (gently sloping areas at the base of mountains), and it can be found from sea level up to about 1,465 m. In southeastern Arizona it stays in rocky areas in winter and spring, and in summer it uses the edges of dry stream channels. It is mostly ground-dwelling but may climb into low vegetation.1
Længde
46 cm til 91 cm (1,5 ft til 3 ft)1
Vægt
454 g (1 lb)1
Tophastighed
cirka 3,5 km/t (2,2 mph)
På land, groft gæt
Hvad spiser det?
It mainly eats rodents and also eats lizards. It ambushes much of its prey and also actively hunts small rodents and lizards. Young snakes rely more on lizards, and adults depend more on rodents. It can also eat fairly large prey, such as pocket mice, kangaroo rats, deer mice, packrats and spiny lizards.1
Helt ærligt!Foto af Tiger rattlesnake
Tiger rattlesnake. Foto: Ltshears. CC BY-SA 3.0, Wikimedia Commons.

Sådan genkender du det

  • It has a small, spade-shaped head. It is the smallest head of any rattlesnake, and it is about 1/25 of its total body length.1
  • It has 35 to 52 narrow gray, olive or brown crossbands along the back. These are the only crossbands on the front part of a rattlesnake's body, and they can look like vertical stripes from the side.1
  • The ground colour is gray, lavender, blue-gray, pink or buff, and it often turns pink, pale orange or cream on the sides.1
  • A dark cheek strip is the most distinct mark on the head.1
  • It has a large rattle.1

Giftkraft

Bid

Giften kommer ud gennem gifttænderne eller tænderne, når det bider.

Hvad gør dets gift, når det bider eller stikker?

Its venom contains a myotoxin, which damages muscle tissue and can cause muscle necrosis (death of muscle cells). It also contains a neurotoxin, which attacks the nerves and is similar to Mojave toxin. In recorded human bites, there was little local pain or swelling, and no significant whole-body (systemic) symptoms.1

Hvor farligt er det for mennesker?

Fare for mennesker: AlvorligEt bid skal ses af en læge. Dødsfald er meget sjældne.

Human bites by this snake are infrequent, and few cases have been recorded. Its venom is very toxic, but its low venom yield and short fangs probably prevent severe envenoming in adults. The clinical picture could be much more serious for children or for people of slight build.1

Gode nyheder: Lægerne har en medicin (modgift) eller en behandling mod det.1

Hvad gør det, når det er bange?

If disturbed, it rapidly shakes its rattle and may strike in defence, and it has an irascible (easily angered) temperament.1

Hvis det bider

  • Early use of antivenom is important if significant envenoming is suspected. Get medical help straight away after any bite, even if the bite seems mild.1
  • Hold personen i ro og rolig, hold den bidte arm eller det bidte ben i hjertehøjde, tag ringe og stramme ting af, og kom hurtigt på hospitalet.

Ring altid først til dit alarmnummer (112, 000, 911). Dette er generel førstehjælpsvejledning, ikke lægelig rådgivning. Grundlæggende førstehjælp

Pas på dig selv

  • Rør aldrig ved, fang eller dril et vildt dyr, heller ikke et lille et, og heller ikke hvis det ser ud til at sove eller være dødt.
  • Giv det plads. Hvis du møder et, så bliv rolig, træd langsomt tilbage, og lad det gå sin egen vej.
  • Hvis et bider dig: Bevar roen, hold dig i ro, ring til dit alarmnummer (112, 000, 911), eller kom hurtigt på hospitalet. Husk, hvordan det så ud, et billede hjælper.

Det er ikke ude efter dig. Det bruger sin gift til at fange føde eller beskytte sig selv, og det gemmer sig meget hellere. Mere om sikkerhed

Hvor stort er det?

Hvor langt er det?

Tiger rattlesnake cirka 91 cm lang (3 ft)En huskat cirka 50 cm (1,6 ft)En hund cirka 1 m (3,3 ft)

Hvor tungt er det?

lige så tung som 4 bananer
lige så lang som 2 huskatte fra snude til halelige så lang som 5 bananer på rækkekunne løbe 100 meter på 100 sekunder (det hurtigste menneske skal bruge 9,6)

Hvor stor er Tiger rattlesnake i forhold til DIG?

Bare matematik i din browser. Intet bliver gemt eller sendt nogen steder hen.

Hvor hurtigt er det?

værd at vide

Fakta

1

Its venom yield is small, but its toxicity is considered second highest of all rattlesnake venoms, after the Mojave rattlesnake.1

2

It has the smallest head of any rattlesnake, which helps it reach into small crevices to pull out prey that has crawled into them.1

3

Although it is a ground-dweller, it swims readily and has been found in bushes about 60 cm above the ground.1

4

Rattlesnake venom is used in biomedical research into neurological diseases.1

5

It is nocturnal during the hot summer, but becomes active during the day and at dusk in the autumn.1

Myteknuser

Myte: Its small head and short fangs mean its bite is harmless.

Sandhed: Its venom is very toxic. Its small size and low venom yield probably prevent severe harm in adults, but children and slightly built people could be seriously affected.1

For gifteksperter

Videnskabeligt navn
Crotalus tigris
Gruppe
Klapperslanger
Familie
Viperidae2
Orden
Squamata
Kontinenter
Nordamerika
Unger
It gives birth to live young, with an average litter of five. The young develop inside eggs in a thin sac in the mother's body, and they are well developed at birth.1
Hvordan det klarer sig i naturen
Least Concern1
Fare for mennesker
3 / 5: Alvorlig3

Hvor fakta kommer fra

  1. Tiger rattlesnake (Wikipedia (CC BY-SA 4.0))
  2. Crotalus tigris (iNaturalist): navne og klassifikation.
  3. Venom Wiki: fareniveauet, den typiske størrelse og hastighedsgættet er vores egne. Se, hvordan vi regner dem ud: Sådan vurderer vi faren.

Hvert faktum på denne side har et nummer, der peger på kilden. Hvis vi har taget fejl, så undskyld, vi er dyrefans, ikke et videnskabeligt tidsskrift. Skriv til os på [email protected], så retter vi det.

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Lever også i: Nordamerika

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