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Dibuix de Eastern diamondback rattlesnake
Núm. 0517 de 1 402

Eastern diamondback rattlesnake

Crotalus adamanteus
Pot matarEt pot matar sense tractament. Si et mossega, busca ajuda de pressa.
Serps de cascavell MossegadesMenja: Carn
Perill per a les persones: Molt perillósPot matar una persona que no rep tractament.

The eastern diamondback rattlesnake is a pit viper that lives in the southeastern United States. It is the largest rattlesnake species and one of the heaviest venomous snakes in the Americas. Its diamond-patterned back and loud rattle make it easy to recognise, and it is widely regarded as one of the most dangerous venomous snakes in North America.1

Viu a
Southeastern United States, from southeastern North Carolina through Florida to the Florida Keys, and west to southeastern Louisiana1
Amèrica del Nord
Inici
It lives in upland dry pine forests, flatwoods, sandhills, coastal hammocks, cypress swamps and salt marshes. It often shelters in burrows made by gophers and gopher tortoises.1
Llargada
de 1,1 m a 2,4 m (de 3,6 ft a 7,9 ft)1
Pes
de 800 g a 15 kg (de 1,8 lb a 34 lb)1
Velocitat màxima
uns 4,2 km/h (2,6 mph)
A terra, estimació aproximada
Què menja?
It hunts small mammals, especially rabbits and rice rats, and also eats birds. It either actively searches for prey or waits coiled in ambush for up to a week. After striking and releasing its prey, it follows the scent trail the dying animal leaves.1
De debò!Foto de Eastern diamondback rattlesnake
Eastern diamondback rattlesnake. Foto: Caudatejake. CC BY-SA 4.0, Wikimedia Commons.

Com reconèixer-lo

  • Dark brown to black diamond-shaped blotches on a brownish, grey or olive background, each outlined with cream or yellowish scales1
  • A dark stripe runs from behind each eye to the mouth corner, edged above and below by white or yellow stripes1
  • A rattle of hollow segments at the tail tip, which break off and are replaced when the snake sheds1
  • Five to ten bands around the tail, below the diamond pattern1
  • A large, heavy body, with adults often around 1.1 to 1.7 m long1

Poder del verí

Mossegades

El verí surt pels ullals o les dents quan mossega.

Què fa el seu verí?

Its venom contains more than 100 different toxins, and about 40 have been identified, making it one of the most studied snake venoms. The venom contains a thrombin-like enzyme called crotalase, which clots fibrinogen, a protein needed for blood clotting. The estimated human lethal dose is 100 to 150 mg.1

Com de perillós és per a les persones?

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

It has a reputation as the most dangerous venomous snake in North America. It is not usually aggressive, but it is large and powerful. Reported mortality from untreated bites is 10 to 20% in some studies and 30% in another, and it is a major cause of fatal snakebites within its range.1

Què fa quan té por?

When threatened, it raises the front half of its body in an S-shaped coil, rattles loudly, and can strike to at least a third of its body length.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

On del món?

ÀfricaÀsiaEuropaAmèrica del NordAmèrica del SudAustràlia i Oceania

Que gran és?

Quant fa de llarg?

Eastern diamondback rattlesnake uns 2,4 m de llarg (7,9 ft)La bici d'un adult uns 1,8 m (5,9 ft)Un cotxe uns 4,5 m (15 ft)

Quant pesa?

pesa com 4 gats de casa
fa de llarg com 5 gats de casa del nas a la cuafa de llarg com 13 plàtans en filapodria recórrer 100 metres en 86 segons (l'humà més ràpid necessita 9,6)

Que gran és Eastern diamondback rattlesnake 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

It is the largest rattlesnake species. One specimen shot in 1946 measured 2.4 m and weighed 15.4 kg.1

2

In proportion to its length, it has the longest fangs of any rattlesnake, with fangs of over 25 mm expected in a 2.4 m adult.1

3

It can strike its prey within a tenth of a second.1

4

It can swim well and has been seen crossing water sometimes miles from land.1

5

Although mainly ground-dwelling, it has been spotted up to 10 m above the ground in bushes and trees.1

6

Males are usually larger than females, which is a rare pattern called reverse sexual size dimorphism.1

Desmuntamites

Mite: The eastern diamondback must rattle before it strikes.

Veritat: It can strike while completely silent. Some individuals stay quiet even when approached closely.1

Per a experts en verins

Nom científic
Crotalus adamanteus
Grup
Serps de cascavell
Família
Viperidae2
Ordre
Squamata
Continents
Amèrica del Nord
Cries
It gives birth to live young, between 4 and 28 at a time, usually from July to early October. The newborns are 30 to 36 cm long and look like adults, except they have a small button instead of a rattle.1
Com li va a la natura
Least Concern on the IUCN Red List (2001), but its population trend is down. It is under review for the US Endangered Species List, and it is considered endangered in North Carolina.1
Perill per a les persones
4 / 5: Molt perillós3

D'on surten les dades

  1. Eastern diamondback rattlesnake (Wikipedia (CC BY-SA 4.0))
  2. Crotalus adamanteus (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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