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Black-tailed rattlesnake

Crotalus molossus

Potreben je zdravnikLe redko smrtno nevarno, a po ugrizu je potreben zdravnik.

UgriziJe: Meso

Nevarnost za ljudi: ResnoPo ugrizu je potreben zdravnik. Smrtni primeri so zelo redki.

The black-tailed rattlesnake is a venomous pit viper that lives in the south-west of the United States and in Mexico. It is known as one of the calmest rattlesnakes, and it relies on camouflage rather than confrontation.1

Živi v

South-western United States (Arizona, New Mexico, west and central Texas) and Mexico south to Oaxaca, plus some Gulf of California islands1

Severna Amerika

Domov

It lives in grasslands, desert areas, and rocky and mountainous areas, as well as high-altitude forests. It has been recorded at elevations up to 2930 m. It is a primarily ground-dwelling species, but it is an able climber and an expert swimmer.1

Dolžina

76 cm do 1,1 m (2,5 ft do 3,5 ft)1

Največja hitrost

približno 3,6 km/h (2,2 mph)

Na kopnem, groba ocena

Kaj je?

Its main food sources are rodents, other small mammals, birds, and small reptiles such as small lizards.1

Fotografija: Black-tailed rattlesnake — Black-tailed rattlesnake. Fotografija: Caudatejake. CC BY-SA 4.0, Wikimedia Commons.

Kako jo prepoznaš

Body colour ranges from yellows and olive greens to browns and black.1
The tail scales are entirely black, which gives the species its name.1
Often has a black band that runs across the eyes and down to the corners of the mouth, forming a facial 'mask'.1
Has a rattle made of keratin at the end of the tail.1

Moč strupa

Ugrizi

Strup pride ven skozi strupnike ali zobe, ko ugrizne.

Kaj naredi njen strup, ko ugrizne ali piči?

Its venom is primarily hemotoxic, meaning it mainly acts on the blood and surrounding tissue, as with most crotalids (pit vipers). It is only about two-thirds as toxic as western diamondback venom. Because the venom is weaker, the snake has larger venom glands than most rattlesnakes in its region and injects large quantities into prey.1

Kako nevarna je za ljudi?

Nevarnost za ljudi: ResnoPo ugrizu je potreben zdravnik. Smrtni primeri so zelo redki.

Bites are fairly rare, because the snake is considered one of the most docile rattlesnakes. The venom is generally not fatal to humans.1

Dobra novica: zdravniki imajo za to zdravilo (protistrup) ali zdravljenje.1

Kaj naredi, ko se prestraši?

It normally tries to slither away when confronted, but it will rattle when cornered, and it relies mostly on camouflage to avoid discovery.1

Če ugrizne

CroFab antivenom is often used to treat bites from this snake.1
Poškodovanca drži pri miru in ga pomirjaj, ugriznjeni ud drži v višini srca, odstrani prstane in tesne stvari ter ga hitro odpelji v bolnišnico.

Vedno najprej pokliči številko za klic v sili (112, 000, 911). To so splošna navodila za prvo pomoč, ne zdravniški nasvet. Osnove prve pomoči

Ostani varen

Nikoli se ne dotikaj divje živali, je ne lovi in je ne draži, tudi če je majhna in tudi če je videti, kot da spi ali je mrtva.
Pusti ji prostor. Če jo srečaš, ostani miren, počasi stopi nazaj in jo pusti, da gre svojo pot.
Če te ugrizne: ostani miren, ne premikaj se, pokliči številko za klic v sili (112, 000, 911) ali hitro pojdi v bolnišnico. Zapomni si, kako je izgledala, fotografija pomaga.

Ne preži nate. Strup uporablja, da ulovi hrano ali se zaščiti, in se veliko raje skrije. Več o varnosti

Kje na svetu?

Afrika Azija Evropa Severna Amerika Južna Amerika Avstralija in Oceanija

Kako velika je?

Kako dolga je?

dolga kot 2 domačih mačk od nosu do repadolga kot 6 banan, položenih ena za drugozmore 100 metrov v 100 sekundah (najhitrejši človek potrebuje 9,6)

Kakšne velikosti je Black-tailed rattlesnake v primerjavi s TABO?

Samo matematika v tvojem brskalniku. Nič se ne shrani in nič se nikamor ne pošlje.

Kako hitra je?

Želva približno 0,3 km/h (0,19 mph)

Black-tailed rattlesnake približno 3,6 km/h (2,2 mph)

Človek, ki hodi približno 5 km/h (3,1 mph)

vredno vedeti

Dejstva

Its venom glands are larger than those of most rattlesnakes in its region, which compensates for its weaker venom.1

It is considered one of the most docile rattlesnakes because of its calm demeanour and curious nature.1

In the spring and fall it is mainly active during the day, but in summer it becomes nocturnal to avoid the heat.1

In winter it hibernates in dens made and abandoned by other animals, often sharing them with other snake species.1

Its lifespan averages 15 to 20 years.1

Razbijalec mitov

Mit: The number of segments in a rattle shows how old a rattlesnake is.

Resnica: Each time the snake sheds its skin, a new segment is added. Snakes can shed several times a year, and the rattle is fragile and can break, so its length is not an accurate guide to age unless the tip (terminal button) is intact.1

Za strokovnjake za strupe

Znanstveno ime: Crotalus molossus
Skupina: Klopotače
Družina: Viperidae2
Red: Squamata
Celine: Severna Amerika
Mladiči: The female gives birth to live young in the summer. Litters can have as many as 10 to 12 young but usually average four to six.1
Kako ji gre v naravi: Least Concern1
Nevarnost za ljudi: 3 / 5: Resno3

Od kod so dejstva

Black-tailed rattlesnake (Wikipedia (CC BY-SA 4.0))
Crotalus molossus (iNaturalist): imena in razvrstitev.
Venom Wiki: stopnja nevarnosti, tipična velikost in ocena hitrosti so naše lastne. Poglej, kako jih določimo: Kako ocenjujemo nevarnost.

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