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Mojave rattlesnake

Crotalus scutulatus
O imenu: The name comes from the Mojave Desert, although little of the snake's range lies inside that desert.1
Može ubitiBez liječenja te može ubiti. Ako te ugrize, brzo potraži pomoć.
Nimalo nalik drugim zvečarkama: ima otrov koji djeluje na živce i ne uzmiče. Ugriz može izgledati malen, a problemi s disanjem dođu satima kasnije. Uvijek idi u bolnicu, čak i ako ugriz izgleda blag.
Zvečarke UgriziJede: Meso
Opasnost za ljude: Vrlo opasnoMože ubiti osobu koja ne dobije liječenje.

The Mojave rattlesnake is a venomous pit viper that lives in the deserts of the southwestern United States and northern Mexico. Its venom is among the most studied of any rattlesnake, and it varies a lot from one population to another. Knowing how to recognise it helps people in its range stay safe.1

Živi u
Southwestern USA (California, Arizona, Nevada, Utah, New Mexico, Texas) and mainland Mexico, including Sonora and Chihuahua1
Sjeverna Amerika
Početna
It lives in broad desert valleys and lower mountain slopes, usually in sparse vegetation such as creosote, mesquite, cacti and Joshua trees. It avoids dense plant cover and very rocky ground. In hot weather and in winter it shelters in burrows dug by rodents, tortoises and kit foxes.1
Duljina
1,2 m (4,1 ft)1
Najveća brzina
oko 3,7 km/h (2,3 mph)
Na kopnu, gruba procjena
Što jede?
It is an ambush predator, waiting for prey and then striking. It mostly eats small rodents and lizards.1
Stvarno!Fotografija: Mojave rattlesnake
Mojave rattlesnake. Fotografija: Lvthn13 at English Wikipedia (Original text: Self-Created). Public domain, Wikimedia Commons.

Kako ga prepoznati

  • Has a row of large diamond-shaped blotches along the back, without the dark speckling found on the Western Diamond-backed Rattlesnake.1
  • The diamonds usually lack the white edges seen on most Western Diamond-backed Rattlesnakes.1
  • The tail has pale and dark rings, and the dark rings are often narrower than the pale ones.1
  • The rattle is usually yellow and black, or entirely yellow.1
  • Its back colour ranges from green to brown, grey or yellowish, so colour alone is not a reliable guide.1

Često se miješa s: It closely resembles the Western Diamond-backed Rattlesnake, which lives in the same areas. The Mojave rattlesnake has no dark speckling on its back, usually lacks white edges on the diamonds, has a facial stripe that bends toward the neck rather than meeting the mouth, and usually has a yellow or bicoloured rattle rather than a black one. No single trait reliably separates the two.1

Otrovna snaga

Ugrizi

Otrov izlazi kroz očnjake ili zube kad ugrize.

Što radi njegov otrov kad ugrize ili ubode?

Its venom comes in two main types. Venom A contains Mojave toxin, a neurotoxic venom that attacks the nerves and can cause delayed respiratory paralysis, meaning the muscles used for breathing fail, with little or no local tissue damage. Venom B has no Mojave toxin and instead contains tissue-destroying enzymes called metalloproteinases.1

Koliko je opasno za ljude?

Opasnost za ljude: Vrlo opasnoMože ubiti osobu koja ne dobije liječenje.

For decades this snake has been described as one of the deadliest rattlesnakes, and some sources call it the most dangerous snake in the United States. The danger depends on the population, because the neurotoxic venom is not found everywhere in its range. Some animals in between produce a mix of both venom types.1

Što radi kad se uplaši?

It is shy and tends to avoid confrontation, but it will strike and bite vigorously when disturbed, especially if surprised or if there is no nearby vegetation or burrow to escape into.1

Ako ugrize

  • Neka osoba miruje i bude smirena, drži ugriženi ud u visini srca, skini prstenje i sve što steže i brzo je odvedi u bolnicu.

Uvijek prvo nazovi broj za hitne slučajeve (112, 000, 911). Ovo su opće upute za prvu pomoć, a ne liječnički savjet. Osnove prve pomoći

Ostani na sigurnom

  • Nikad ne diraj, ne hvataj i ne zadirkuj divlju životinju, čak ni malu, i čak ni ako izgleda kao da spava ili je mrtva.
  • Ostavi joj prostora. Ako je sretneš, ne paniči, polako se odmakni i pusti je da ode svojim putem.
  • Ako te neka ugrize: ne paniči, miruj, nazovi broj za hitne slučajeve (112, 000, 911) ili brzo idi u bolnicu. Zapamti kako je izgledala, fotografija pomaže.

Ne želi ti ništa loše. Otrov koristi za lov hrane ili za obranu i mnogo bi se radije sakrilo. Više o sigurnosti

Koliko je veliko?

Koliko je dugo?

Mojave rattlesnake dugo oko 1,2 m (4,1 ft)Pas oko 1 m (3,3 ft)Odrasla osoba oko 1,7 m (5,6 ft)
dugo kao 2,5 kućnih mačaka od nosa do repadugo kao 7 banana poredanih u nizumoglo bi pretrčati 100 metara za 97 sekundi (najbržem čovjeku treba 9,6)

Koliko je Mojave rattlesnake velika životinja u usporedbi s TOBOM?

Samo matematika u tvom pregledniku. Ništa se ne sprema niti šalje nikamo.

Koliko je brzo?

vrijedi znati

Činjenice

1

Its venom varies so much between populations that one area was found where the venom is much less lethal to laboratory mice than elsewhere in its range.1

2

Males can grow to a maximum of about 124 cm, making them larger than females.1

Razbijač mitova

Mit: Every Mojave rattlesnake bite is extraordinarily deadly.

Istina: The reputation for deadliness comes mainly from the neurotoxic venom, which is found in most populations but not all. Venom from some populations is non-neurotoxic and mainly destroys tissue.1

Za stručnjake za otrove

Znanstveni naziv
Crotalus scutulatus
Skupina
Zvečarke
Obitelj
Viperidae2
Redoslijed
Squamata
Kontinenti
Sjeverna Amerika
Mladunci
It bears live young, usually between 2 and 17 (average about eight), from July through September.1
Kako mu ide u divljini
Least Concern (IUCN Red List)1
Opasnost za ljude
4 / 5: Vrlo opasno3

Odakle su činjenice

  1. Crotalus scutulatus (Wikipedia (CC BY-SA 4.0))
  2. Crotalus scutulatus (iNaturalist): imena i klasifikacija.
  3. Venom Wiki: razina opasnosti, tipična veličina i procijenjena brzina naše su. Pogledaj kako ih izračunavamo: Kako ocjenjujemo opasnost.

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