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Southern Pacific Rattlesnake

Crotalus helleri

Classification

Family
Viperidae

Crotalus helleri or Crotalus oreganus helleri, also known commonly as the Southern Pacific rattlesnake, the black diamond rattlesnake, and by several other common names, is a pit viper species or subspecies found in southwestern California and south into Baja California, Mexico, that is known for its regional variety of dangerous venom types. It is sometimes considered a subspecies of Crotalus oreganus. Etymology The specific or subspecific name, helleri, is in honor of American zoologist Edmund Heller.

Distribution

(c) Ken-ichi Ueda, some rights reserved (CC BY) · CC-BY
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