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Santa Catalina rattlesnake

Crotalus catalinensis
Oor die naam: The name comes from Isla Santa Catalina, the only island where it lives.1
Moet 'n dokter sienSelde dodelik, maar 'n byt moet deur 'n dokter gesien word.
Ratelslange ByteEet: Vleis
Gevaar vir mense: Ernstig'n Byt moet deur 'n dokter gesien word. Sterftes is baie skaars.

The Santa Catalina rattlesnake is a small, slender pit viper with a very unusual feature: it has no rattle. It lives only on Isla Santa Catalina, a small island in the Gulf of California off the coast of Baja California Sur, Mexico. It is critically endangered.1

Leef in
Isla Santa Catalina in the Gulf of California, off Baja California Sur, Mexico1
Noord-Amerika
Tuis
It lives in Gulf Coast desert plants, mostly on the western side of the island, in dry washes called arroyos, plains, ravine bottoms, stream riverbeds and rocky hilltops. It shelters in rock crevices and dense vegetation.1
Lengte
73 cm (2,4 ft)1
Topspoed
omtrent 3,5 km/h (2,2 mph)
Op land, rowwe skatting
Wat eet dit?
Its diet is mostly mammals, especially the Santa Catalina deer mouse, with some lizards. It holds its prey in its jaws until the venom takes effect, rather than biting and releasing it.1
Regtig waar!Foto van Santa Catalina rattlesnake
Santa Catalina rattlesnake. Foto: Yinan Chen. Public Domain, Wikimedia Commons.

Hoe om dit te herken

  • It has no rattle. The tail tip falls off with each shed instead of forming new segments.1
  • It is relatively slender and small, growing to a maximum of 73.1 cm.1
  • The most common colour form has a light cream base with reddish-brown blotches down the back and black and white banding around the tail.1
  • The other colour form is ash grey with darker grey blotches, and it still has tail banding.1
  • It is mostly active at night and is often seen out in the open rather than hiding.1

Gifkrag

Byte

Gif kom deur sy giftande of tande uit wanneer dit byt.

Wat doen sy gif as dit byt of steek?

It is venomous, like all pit vipers. It holds its prey in its jaws until the venom takes effect, so the prey cannot escape before it succumbs.1

Hoe gevaarlik is dit vir mense?

Gevaar vir mense: Ernstig'n Byt moet deur 'n dokter gesien word. Sterftes is baie skaars.

Wat doen dit as dit bang is?

Unlike most rattlesnakes, it does not tend to hide, and because it has no rattle it gives no audible warning.1

As dit byt

  • Hou die persoon stil en kalm, hou die gebyte arm of been op hartvlak, haal ringe en stywe goed af, en kom vinnig by 'n hospitaal uit.

Bel altyd eers jou noodnommer (112, 000, 911). Dit is algemene noodhulpraad, nie mediese advies nie. Noodhulp-basiese beginsels

Bly veilig

  • Moet nooit aan 'n wilde dier raak, dit vang of terg nie, selfs nie 'n kleintjie nie, en selfs nie as dit lyk of dit slaap of dood is nie.
  • Gee dit spasie. As jy een raakloop, bly kalm, stap stadig terug en laat dit sy eie pad gaan.
  • As een jou byt: bly kalm, bly stil, bel jou noodnommer (112, 000, 911) of kom vinnig by 'n hospitaal uit. Onthou hoe dit gelyk het, 'n foto help.

Dit is nie uit om jou te kry nie. Dit gebruik sy gif om kos te vang of om homself te beskerm, en kruip baie eerder weg. Meer oor veilig bly

Hoe groot is dit?

Hoe lank is dit?

Santa Catalina rattlesnake omtrent 73 cm lank (2,4 ft)'n Huiskat omtrent 50 cm (1,6 ft)'n Hond omtrent 1 m (3,3 ft)
so lank soos 4 piesangs punt aan puntkan 100 meter in 100 sekondes aflê (die vinnigste mens het 9,6 nodig)

Hoe groot is Santa Catalina rattlesnake in vergelyking met JOU?

Net wiskunde in jou blaaier. Niks word gestoor of enige plek heen gestuur nie.

Hoe vinnig is dit?

die moeite werd om te weet

Feite

1

It is one of the few rattlesnakes that has lost its rattle. The tail tip falls off with each shed instead of forming a new segment.1

2

Although it is a rattlesnake, it is a swift and skilful climber, and individuals were most often found in low bush branches during the hottest month, July.1

3

Its main prey, the Santa Catalina deer mouse, lives only on this island, so the snake's food supply is also very limited.1

4

It does not hibernate, and the evidence suggests it is nocturnal even in winter.1

5

Its closest relative on the mainland is the red diamond rattlesnake, which eats a much wider range of prey, including frogs, birds and other snakes.1

Vir gifkenners

Wetenskaplike naam
Crotalus catalinensis
Groep
Ratelslange
Familie
Viperidae2
Orde
Squamata
Kontinente
Noord-Amerika
Hoe dit in die natuur gaan
Critically Endangered (IUCN Red List)1
Gevaar vir mense
3 / 5: Ernstig3

Waar die feite vandaan kom

  1. Crotalus catalinensis (Wikipedia (CC BY-SA 4.0))
  2. Crotalus catalinensis (iNaturalist): name en klassifikasie.
  3. Venom Wiki: die gevaarvlak, die tipiese grootte en die spoedskatting is ons eie. Kyk hoe ons dit uitwerk: Hoe ons gevaar gradeer.

Elke feit op hierdie bladsy het 'n nommer wat na sy bron wys. As ons iets verkeerd het, jammer, ons is dierfanatici, nie 'n wetenskaplike joernaal nie. Laat weet ons by [email protected] en ons maak dit reg.

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