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Ridge-nosed rattlesnake

Crotalus willardi

Izenari buruz: The scientific name willardi honours Frank Cottle Willard, a businessman from Tombstone, Arizona, who discovered the snake.1

Min ematen du, besterik ezMin ematen du, baina ez dizu kalte larririk egingo.

Kriskitin-sugeak

KoskaJaten du: Haragia

Arriskua pertsonentzat: MingarriaBenetan min handia eman dezake, baina ia inoiz ez da larria.

The ridge-nosed rattlesnake is a small venomous snake with a raised ridge on the end of its nose. It lives in wooded mountains in the southwestern United States and Mexico, and it is the official state reptile of Arizona. Its bite is rarely a serious threat to people.1

Non bizi den

Southwestern United States (Arizona, New Mexico) and northern Mexico, mainly in the sky island mountain region1

Ipar Amerika

Hasiera

This snake is rarely found outside high-elevation habitats, especially wooded mountain ranges in the southwest. Each subspecies lives in only a few mountain ranges, so meeting one is rare.1

Luzera

30 cm eta 60 cm artean (1 ft eta 2 ft artean)1

Abiadura handiena

3,3 km/h inguru (2,1 mph)

Lehorrean, kalkulu gutxi gorabeherakoa

Zer jaten du?

It is an ambush hunter that coils and waits for prey to come within striking range. It eats small mammals, birds, lizards and large centipedes. Young snakes mostly eat centipedes and lizards, while adults mostly eat mammals and birds.1

Argazkia: Ridge-nosed rattlesnake — Ridge-nosed rattlesnake. Argazkia: [Photo by Robert Bryson] Lemos-Espinal JA, Smith GR, Woolrich-Piña GA, Cruz A (2017) Amphibians and reptiles of the state of Chihuahua, Mexico, with comparisons. CC BY 4.0, Wikimedia Commons.

Nola ezagutu

A small rattlesnake, usually 30 to 60 cm long1
A dark brown base colour with pale or white horizontal stripes1
A clear ridge on the snout, formed by upturned scales on the tip of the nose1

Pozoi-ahalmena

Koska

Pozoia letaginetatik edo hortzetatik ateratzen da kosk egiten duenean.

Zer egiten du bere pozoiak?

Its venom is largely hemotoxic, meaning it damages blood and the tissue around the bite. Because the snake is small, it injects only small amounts of venom, so its bite is not as life-threatening as that of larger rattlesnakes. A bite can still cause pain and discomfort.1

Zein arriskutsua da pertsonentzat?

Arriskua pertsonentzat: MingarriaBenetan min handia eman dezake, baina ia inoiz ez da larria.

No deaths have been documented from ridge-nosed rattlesnakes. A bite is rare, but it can still cause pain and discomfort.1

Kosk egiten badu

Eutsi pertsona geldi eta lasai, eduki koska jasotako gorputz-adarra bihotzaren mailan, kendu eraztunak eta gauza estuak, eta joan ospitalera azkar.

Deitu beti lehenik zure larrialdi-zenbakira (112, 000, 911). Lehen sorospenei buruzko orientabide orokorra da hau, ez mediku-aholkua. Lehen sorospenen oinarriak

Egon seguru

Ez ukitu, ez harrapatu eta ez zirikatu inoiz animalia basati bat, txikia izan arren, eta lo edo hilda dagoela badirudi ere.
Utzi tartea. Bat aurkitzen baduzu, egon lasai, egin atzera poliki eta utzi bere bidetik joaten.
Batek kosk egiten badizu: egon lasai, egon geldi, deitu zure larrialdi-zenbakira (112, 000, 911) edo joan ospitalera azkar. Gogoratu nolakoa zen, argazki batek laguntzen du.

Ez dabil zure atzetik. Pozoia janaria harrapatzeko edo bere burua babesteko erabiltzen du, eta askoz nahiago du ezkutatu. Seguru egoteari buruz gehiago

Munduko zein tokitan?

Afrika Asia Europa Ipar Amerika Hego Amerika Australia eta Ozeania

Zein handia da?

Zein luzea da?

3 banana bata bestearen atzetik jarrita bezain luzea100 metro 110 segundotan egin litzake (gizakirik azkarrenak 9,6 behar ditu)

Zein handia da Ridge-nosed rattlesnake ZUREKIN alderatuta?

Matematika hutsa zure nabigatzailean. Ez da ezer gordetzen, ezta inora bidaltzen ere.

Zein azkarra da?

Dortoka bat 0,3 km/h inguru (0,19 mph)

Ridge-nosed rattlesnake 3,3 km/h inguru (2,1 mph)

Oinez doan pertsona bat 5 km/h inguru (3,1 mph)

jakin beharrekoa

Datuak

It is the official state reptile of Arizona.1

The snake's ridge is made by upturned scales on the tip of its nose, which makes it easy to recognise.1

Although it is a rattlesnake, it gives birth to live young. The babies develop inside eggs that stay within the mother until they are born.1

Mito-hauslea

Mitoa: Every rattlesnake bite is equally deadly.

Egia: This species has very low venom yields, so its bite is not as life-threatening as those of larger rattlesnakes, and no deaths have been documented.1

Pozoi-adituentzat

Izen zientifikoa: Crotalus willardi
Taldea: Kriskitin-sugeak
Familia: Viperidae2
Ordena: Squamata
Kontinenteak: Ipar Amerika
Kumeak: It gives birth to live young rather than laying eggs. Females produce 2 to 9 young, averaging five, in late July or August, after a gestation of about four to five months.1
Nola dagoen naturan: Least Concern (IUCN). The New Mexico ridge-nosed rattlesnake subspecies (C. w. obscurus) is endangered.1
Arriskua pertsonentzat: 2 / 5: Mingarria3

Datuak nondik datozen

Crotalus willardi (Wikipedia (CC BY-SA 4.0))
Crotalus willardi (iNaturalist): izenak eta sailkapena.
Venom Wiki: arrisku-maila, ohiko tamaina eta abiadura-kalkulua geureak dira. Ikusi nola kalkulatzen ditugun: Nola baloratzen dugun arriskua.

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