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Western hognose snake

Heterodon nasicus

O imenu: "Hognose" comes from its upturned nose, which looks hog-like. The scientific name nasicus comes from the Latin nasus, meaning "nose".1

BezopasnoBezopasno za ljude. Nema razloga za brigu.

Zmije sa stražnjim otrovnim zubima

UgriziJede: Meso

Opasnost za ljude: BlagoKao ubod pčele ili slabije. Uglavnom bezopasno za ljude.

The western hognose snake is a small, stout-bodied snake with an upturned nose that looks a bit like a pig's snout. It lives across much of North America, from southern Canada to northern Mexico, in sandy and gravelly places such as prairies and grasslands. It is often mistaken for a rattlesnake, but its bite is not regarded as dangerous to people.1

Živi u

Southern Canada, through the United States, to northern Mexico. Endemic to North America.1

Sjeverna Amerika

Početna

It favours areas with sandy or gravelly soils, including prairies, river floodplains, scrub, grasslands, semi-deserts and some semi-agricultural land. It has been found at elevations of up to 2,500 m (8,200 feet).1

Duljina

od 13 cm do 50 cm (od 5,1 in do 1,6 ft)1

Najveća brzina

oko 4,7 km/h (2,9 mph)

Na kopnu, gruba procjena

Što jede?

It mainly eats amphibians, such as large and medium tree frogs, small or medium toads and small lizards, and occasionally a rodent. It is not a true constrictor, so it bites and chews, driving its rear fangs into prey.1

Fotografija: Western hognose snake — Western hognose snake. Fotografija: Peter Paplanus. CC BY 4.0, iNaturalist.

Kako ga prepoznati

Relatively small and stout-bodied, with adults rarely exceeding 40–50 cm in total length, tail included.1
A modified, upturned nose scale gives it a distinctive hog-like snout.1
Colour and pattern vary a great deal between subspecies and individuals.1
When threatened, it flattens its neck, hisses and may puff up its throat with air.1

Često se miješa s: To an untrained eye, most individuals look much like rattlesnakes, which is thought to be a form of mimicry that makes predators wary. Its upturned snout and small, stout body are features to note.1

Otrovna snaga

Ugrizi

Otrov izlazi kroz očnjake ili zube kad ugrize.

Što radi njegov otrov kad ugrize ili ubode?

The snake releases modified saliva from its Duvernoy's glands, which runs down a groove in its rear fang and helps break down the toxins of toads it eats. No deaths or whole-body (systemic) effects in people have been recorded from its bite. Bites may occasionally be medically significant.1

Koliko je opasno za ljude?

Opasnost za ljude: BlagoKao ubod pčele ili slabije. Uglavnom bezopasno za ljude.

The species is not dangerous to people and is not regarded as venomous. Its bites are extremely rare, and no deaths or systemic effects have been recorded. Bites may uncommonly be medically significant.1

Što radi kad se uplaši?

It flattens its neck, hisses and may make mock strikes with its mouth closed. If harassed further, it usually plays dead rather than biting.1

Ako ugrize

Operi ugriz, smiri osobu i potraži liječničku pomoć. Neke vrste (poput bumslanga) mogu biti smrtonosne satima kasnije.

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

Gdje u svijetu?

Afrika Azija Europa Sjeverna Amerika Južna Amerika Australija i Oceanija

Koliko je veliko?

Koliko je dugo?

dugo kao 3 banana poredanih u nizudugo kao 16 kockica za slaganje u nizumoglo bi pretrčati 100 metara za 77 sekundi (najbržem čovjeku treba 9,6)

Koliko je Western hognose snake velika životinja u usporedbi s TOBOM?

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

Koliko je brzo?

Kornjača oko 0,3 km/h (0,19 mph)

Western hognose snake oko 4,7 km/h (2,9 mph)

Osoba koja hoda oko 5 km/h (3,1 mph)

vrijedi znati

Činjenice

Captive breeders have produced more than 50 'designer' colour morphs of this snake.1

In captivity, many hognose snakes refuse food for about two to three and a half months, from January to mid March, because they instinctively brumate, or sleep, underground in winter.1

Males are considerably smaller than females.1

Hatchlings reach sexual maturity after about two years, based mostly on size rather than age.1

Razbijač mitova

Mit: Because it looks like a rattlesnake, it must be dangerous or deadly.

Istina: The western hognose snake is not dangerous to people. Its rare bites have not caused recorded deaths or whole-body effects, and it usually plays dead instead of biting.1

Za stručnjake za otrove

Znanstveni naziv: Heterodon nasicus
Skupina: Zmije sa stražnjim otrovnim zubima
Obitelj: Colubridae2
Redoslijed: Squamata
Kontinenti: Sjeverna Amerika
Mladunci: It lays eggs. Females lay 4–23 elongate, thin-shelled eggs between June and August, which hatch after about 60 days.1
Kako mu ide u divljini: Least Concern (IUCN)1
Opasnost za ljude: 1 / 5: Blago3

Odakle su činjenice

Western hognose snake (Wikipedia (CC BY-SA 4.0))
Heterodon nasicus (iNaturalist): imena i klasifikacija.
Venom Wiki: razina opasnosti, tipična veličina i procijenjena brzina naše su. Pogledaj kako ih izračunavamo: Kako ocjenjujemo opasnost.

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