Mexican Pygmy Rattlesnake

ANIMAL:
Mexican Pygmy Rattlesnake      Crotalus ravus

Type of Animal:
Viper

Habitat:
Mountainous/highland areas, plateaus, tablelands, found at moderate to high elevations (4,890-9,800 ft above sea level)

Location(s):
C & S mountains in Mexico

Appearance:
Somewhat stout snakes, light colored w/ brown spots on scales, some individuals darker

Food/Diet:
Small rodents & lizards

Status in Wild:
Stable

Conservation:
Breeding from zoos, wildlife parks, & breeders

Lifestyle:
Solitary

Additional Info:

Called:
Male
Female
Young-Snakelet
Group-Solitary

Weight:
7.86 oz

Gestation:
3 months 

Life Span:
15 years

Body Length:
2.24 ft

Tail Length:
2.63 in

Main predators are larger rattlesnakes, owls, hawks, falcons, eagles, coyotes, & dogs.

Like many other rattlesnakes, females give birth to live young.

Local names include vibora-cascabel pigmea-mexicana (Mexican pygmy viper/rattlesnake), colcoatl, cascabel enana (dwarf rattlesnake), vibora de cascabel (rattlesnake viper), & viborita de cascabel (little rattlesnake viper).

Tends to be nocturnal & secretive.

These snakes can be unpredictable.

Despite being called pygmy rattlers, it’s believed they’re more closely related to crotalid rattlesnakes than to massasaugas & N. American pygmy rattlesnakes.

Due to elusive nature, there is more to be learned about these snakes.

Fun Fact(s):
Venom hemotoxic, causing localized swelling & bruising.

Due to small size, these snakes don’t deliver huge amounts of venom. However, one should always go to the hospital if bitten.

1 thought on “Mexican Pygmy Rattlesnake

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