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Risba: Texas coral snake
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Texas coral snake

Micrurus tener
O imenu: The Latin name tener means "soft or delicate", referring to the snake's graceful features.1
Potreben je zdravnikLe redko smrtno nevarno, a po ugrizu je potreben zdravnik.
Koralne kače UgriziJe: Meso
Nevarnost za ljudi: ResnoPo ugrizu je potreben zdravnik. Smrtni primeri so zelo redki.

The Texas coral snake is a venomous snake with bright black, yellow and red rings. It lives in the southern and southwestern United States and in parts of northeastern and central Mexico. Its bite can cause paralysis, so it is important to recognise it and keep well away.1

Živi v
Arkansas, Louisiana and Texas in the USA; Guanajuato, Morelos, Querétaro, San Luis Potosí and Tamaulipas in Mexico1
Severna Amerika
Domov
It spends most of its time hiding in leaf litter and under logs. It can be seen on the surface after heavy rains, when night-time temperatures rise above 26 °C (78 °F).1
Dolžina
1,2 m (4 ft)1
Največja hitrost
približno 4,9 km/h (3 mph)
Na kopnem, groba ocena
Kaj je?
Its main food is other snakes, mostly small burrowing species, and it also preys on venomous snakes such as copperheads. It sometimes eats small lizards, and rarely eats rodents. It is cannibalistic.1
Zares!Fotografija: Texas coral snake
Texas coral snake. Fotografija: The original uploader was Dawson at English Wikipedia.. CC BY-SA 2.5, Wikimedia Commons.

Kako jo prepoznaš

  • Black, yellow and red rings, with the rings running onto the belly.1
  • Smooth scales, a rounded head and round pupils.1
  • Somewhat larger and stouter than the eastern coral snake.1
  • Males are typically smaller than females.1
  • Shy and secretive, and mostly active at night.1

Pogosto zamenjujejo z: Nonvenomous snakes copy the coral snake's colours as a form of Batesian mimicry. In the United States, the venomous coral snakes can be told apart by red rings touching yellow rings. The common rhyme "red and yellow, kill a fellow" is not always accurate because colours vary, and relying on it is dangerous.1

Moč strupa

Ugrizi

Strup pride ven skozi strupnike ali zobe, ko ugrizne.

Kaj naredi njen strup, ko ugrizne ali piči?

The snake has a pair of fixed, grooved fangs at the front of the upper jaw, and venom is injected through them. Its venom contains a neurotoxin, which attacks the nerves, and a myotoxin, which damages muscle. Bite victims may experience paralysis or myolysis (muscle breakdown), which can be potentially lethal.1

Kako nevarna je za ljudi?

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

Before antivenom was available, the fatality rate of coral snake bites was estimated at 10%. Deaths were mainly caused by breathing or heart failure from paralysis. A single bite can deliver 10–12 mg of dry venom, about twice the lethal dose for an adult human of 5–7 mg. Many bites deliver no venom at all, known as dry bites.1

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

Kaj naredi, ko se prestraši?

When grabbed suddenly, or sometimes just when touched, it may thrash about, swing around and bite.1

Če ugrizne

  • Remove any jewellery from a bitten limb, in case of severe swelling. Wrap the bite area moderately tightly in a wide cloth, and move the bitten limb as little as possible. Take the bite victim to the nearest hospital as soon as possible for advanced treatment, such as antivenom.1
  • Poškodovanca drži pri miru in ga pomirjaj ter ga hitro odpelji v bolnišnico, tudi če je ugriz videti majhen: simptomi se lahko začnejo šele čez nekaj ur.

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?

AfrikaAzijaEvropaSeverna AmerikaJužna AmerikaAvstralija in Oceanija

Kako velika je?

Kako dolga je?

Texas coral snake približno 1,2 m dolga (4 ft)Pes približno 1 m (3,3 ft)Odrasla oseba približno 1,7 m (5,6 ft)
dolga kot 2,5 domačih mačk od nosu do repadolga kot 7 banan, položenih ena za drugozmore 100 metrov v 73 sekundah (najhitrejši človek potrebuje 9,6)

Kakšne velikosti je Texas coral snake v primerjavi s TABO?

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

Kako hitra je?

vredno vedeti

Dejstva

1

A single bite can deliver about twice the lethal dose for an adult human, yet many bites inject no venom at all.1

2

The Texas coral snake eats other snakes, including venomous ones, and will even eat its own kind.1

3

Colour variants exist in the wild, including albino, anerythristic, pastel and completely black (melanistic) snakes.1

Razbijalec mitov

Mit: "Red and yellow, kill a fellow. Red on black, friend of Jack" is a reliable way to tell a coral snake from a harmless look-alike.

Resnica: The rhyme is not always accurate because colour patterns vary, and relying on it is dangerous to both people and snakes.1

Za strokovnjake za strupe

Znanstveno ime
Micrurus tener
Skupina
Koralne kače
Družina
Elapidae2
Red
Squamata
Celine
Severna Amerika
Mladiči
It is oviparous, meaning it lays eggs.1
Nevarnost za ljudi
3 / 5: Resno3

Od kod so dejstva

  1. Texas coral snake (Wikipedia (CC BY-SA 4.0))
  2. Micrurus tener (iNaturalist): imena in razvrstitev.
  3. Venom Wiki: stopnja nevarnosti, tipična velikost in ocena hitrosti so naše lastne. Poglej, kako jih določimo: Kako ocenjujemo nevarnost.

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