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Black-tailed rattlesnake

Crotalus molossus

Medikua behar duGutxitan da hilgarria, baina koska batek medikua behar du.

Kriskitin-sugeak

KoskaJaten du: Haragia

Arriskua pertsonentzat: LarriaKoska batek medikua behar du. Heriotzak oso arraroak dira.

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

Non bizi den

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

Ipar Amerika

Hasiera

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

Luzera

76 cm eta 1,1 m artean (2,5 ft eta 3,5 ft artean)1

Abiadura handiena

3,6 km/h inguru (2,2 mph)

Lehorrean, kalkulu gutxi gorabeherakoa

Zer jaten du?

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

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

Nola ezagutu

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

Pozoi-ahalmena

Koska

Pozoia letaginetatik edo hortzetatik ateratzen da kosk egiten duenean.

Zer egiten du bere pozoiak?

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

Zein arriskutsua da pertsonentzat?

Arriskua pertsonentzat: LarriaKoska batek medikua behar du. Heriotzak oso arraroak dira.

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

Albiste ona: medikuek badute sendagai bat (antipozoia) edo tratamendu bat honetarako.1

Zer egiten du beldurtzen denean?

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

Kosk egiten badu

CroFab antivenom is often used to treat bites from this snake.1
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

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2 etxeko katu muturretik buztanera jarrita bezain luzea6 banana bata bestearen atzetik jarrita bezain luzea100 metro 100 segundotan egin litzake (gizakirik azkarrenak 9,6 behar ditu)

Zein handia da Black-tailed 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)

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

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

jakin beharrekoa

Datuak

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

Mito-hauslea

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

Egia: 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

Pozoi-adituentzat

Izen zientifikoa: Crotalus molossus
Taldea: Kriskitin-sugeak
Familia: Viperidae2
Ordena: Squamata
Kontinenteak: Ipar Amerika
Kumeak: 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
Nola dagoen naturan: Least Concern1
Arriskua pertsonentzat: 3 / 5: Larria3

Datuak nondik datozen

Black-tailed rattlesnake (Wikipedia (CC BY-SA 4.0))
Crotalus molossus (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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