A small rattlesnake with distinctive tiger-stripe pattern. Restricted to Sonoran Desert habitats.

Native status: Native to Sonoran Desert

§ Quick facts

SizeLength 50–95 cm
Weight200–500 g
LifespanWild 15–20 years
OrderSquamata
FamilyCrotalidae

§ Encyclopedia

The tiger rattlesnake is a venomous pit viper species found in the southwestern United States and northwestern Mexico. No subspecies are currently recognized. The specific name tigris,, refers to the many narrow dorsal crossbands, which create a pattern of vertical stripes when viewed from the side.

Source: Wikipedia — Tiger rattlesnake Licensed under CC BY-SA 4.0

§ Identification

Field marks. Medium rattlesnake with dark dorsal saddle markings; distinctive tiger-like cross-banded tail leading to rattle.

Similar species. Other rattlesnakes (different sizes, patterns).

Voice. Loud rattling buzz.

§ Diet & behavior

Diet. Small mammals (rodents), lizards.

Behavior. Among the most venomous rattlesnakes in the US relative to body size. Restricted to Sonoran Desert rocky habitats.

§ Range

Sonoran Desert

§ Habitat

Rocky desert habitats

§ Threats

Habitat loss to suburban development.

§ Conservation status

According to the IUCN Red List, the tiger rattlesnake is currently classified as Least Concern.

§ What helps

Support Sonoran Desert conservation. Don't kill snakes.

Support our work More ways to help

§ Further reading

§ Sources cited

  • Arizona Game and Fish
  • The Orianne Society
  • IUCN Red List 2007