We have a new website, please check snakeDB.org! It's much faster & nicer than the old version!

Crotalus oreganus

Northern Pacific Rattlesnake

Venomous 💀💀💀💀 Very dangerous bite ref
Images automatically provided by Flickr & iNaturalist. Sporadic false assignment does occur.
  • Length Adult

  • up to 165 cm ref
  • Length Newborn

  • unknown
  • Reproduction

  • viviparous, ovoviviparous ref
  • Pupil Shape (when closed!)

  • slit (or vertical elliptical) ref
  • Fangs

  • foldable ref front-fanged ref

Altitude range

Vertical distribution

0 to 3355 meter above sea level (a.s.l.) ref

Subspecies & Common Names

Crotalus oreganus  ACHI Sochoj, BILOXI NdÉsi Xidi', CAJUN FRENCH Serpent Sonnette, CENTRAL NAHUATL Colcoatl, Ecacóatl, Ehecacóatl, CENTRAL TARAHUMARA Chachámuri, Chamurá, Chanébari, Sayahui, Sinohui Chamarara, CHEROKEE U N'tso' N' Ti', U Tso'n(a) Ti, CHEYENNE Xamáa øe øenovotse, CHICKASAW Ittiwasha'chi, Ittiwashanchi', Sintishtahallo', Sishto', CHIPPEWA Zhiishiigweg, CHOCTAW Sintullo, CHOL Ajluk', COMANCHE Wasinaboo, Wuhkitsu Tsu Ikatu, Wuhtsabeyakatu, CREE Sesikwewi Kinepik, DAKOTA Si¤tehda, DUTCH Ractel Slange, Ratel Slangen, Ratelslang, ENGLISH Arizona Diamond Rattlesnake, Bell Snake, Black Diamond Back Rattlesnake, Black Diamond Rattlesnake, Black Rattler, Black Rattlesnake, Black Snake, Buzz Tail, California Rattlesnake, Canyon Bleached Rattlesnake, Chatter Viper, Confluent Rattlesnake, Coronado Island Rattlesnake, Diamond Back, Diamond Back Rattlesnake, Faded Rattlesnake, Grand Cañon Rattlesnake, Grand Canyon Rattlesnake, Gray Diamond Back Rattlesnake, Gray Rattlesnake, Great Basin Rattlesnake, Green Rattlesnake, Hallowell's Rattlesnake, Midget Faded Rattlesnake, Mountain Rattlesnake, Muscial Jack, Northern Pacific Rattlesnake, Oregon Rattlesnake, Pacific Rattlesnake, Rattle Tail Snake, Rattlensnake, Rattlesnake, Rock Rattlesnake, Rusty Back, San Diegan Rattlesnake, Sizzle Tail, Snattle Rake, Southern Pacific Rattlesnake, Southern Rattlesnake, Timber Rattler, Timber Rattlesnake, Western Black Rattlesnake, Western Rattler, Western Rattlesnake, Yellow Rattlesnake, FINNISH Kalkkarokäärmeet, FRENCH Crotale, Crotale De L'Ouest, Crotale Diamant, Serpent à Sonnette, Vipere à Queuë Sonnante, GERMAN Klapperschlange, Nördliche Prärie Klapperschlange, Nordpazifik Prärieklapperschlange, Nordpazifische Klapperschlange, Pazifik Klapperschlange, Südliche Prärie Klapperschlange, Waldklapperschlange, HOPI Tsuu'a, HUASTEC Tzahuil, ITALIAN Crotalo, Serpente A Sonagli, Sonagli, KOASATI Cintó Cobá, LAKOTA SiÕte'hla, NAVAJO Siláo Habitiin, Tl'iish 'ádaanínígíí, NEZ PERCE Shaptin Pyuø, NORTHERN TEPEHUAN Quii'ñ Cam Co', OFO Okte'fi Taphe'su, Taph'su O Kte'fi, OSAGE Shé Ki, PEñOLES MIXTEC Koo Kaa, PIMA BAJO Ko'owi, Kohko'owi, PORTUGUESE Cascavel, Caxcabel, POTAWATOMI Shanwe'nge', SAN MATEO DEL MAR HUAVE Mixoob Ndiüc, SENECA Uhsikwêôt, SERI Cocázni, SIKSIKA Omahhsisttsiiksiinaa, Sapittsikotoyi, SPANISH Alicante, Bíbora, Cascabel, Cascabel De Isla Coronado, Cascabel De Pacífico Meridional, Cascabel Del Cañón Grande, Cascabel Del La Gran Cuenca, Cascabel Del Oeste, Cascabel Del Pacífico Norte, Crotalo, Crótalo De Las Praderas, Raboseco, Señora De La Serpientes, Serpiente De Cascabel, Trompito, Víbora De Cascabel, Vívora, TABASCO ZOQUE Xakaka7, TEWA Qwæ ìPu', TOHONO O'ODHAM Ko'owi, Kohko'owi, UNCODED LANGUAGES Ah Tsab Kan, Ah Tsab Ti' Kan, Ahaw Kan, Ahaw Tsab, Chak Ahaw Kan, Chi Kix Kan, Chik Chan, Ek' Ahaw Kan, K'an Ahaw Kan, Sak Ahaw Kan, Tsabkan, Tu Jtsúmum, UNDETERMINED LANGUAGE Yacachtli, YAQUI Aakame, YUCATECO Ahaucan, ZAPOTEC Bgüiz', Gwbiz, Xbi' ref
Crotalus oreganus oreganus ref
Crotalus oreganus concolor ENGLISH Midget Faded Rattlesnake ref
Crotalus oreganus helleri ENGLISH Southern Pacific Rattlesnake ref
Crotalus oreganus lutosus ENGLISH Great Basin Rattlesnake ref

Full Taxonomy

  • I. Superfamily Colubroidea

  • Colubrids, elapids and vipers
  • II. Family Viperidae

  • Vipers and pit vipers
  • III. Subfamily Crotalinae

  • Pit vipers
  • IV. Genus Crotalus

  • Rattlesnakes
  • V. Species Crotalus oreganus

  • Northern Pacific rattlesnake
  • VI. snakeID

  • 254
Look up complete taxonomic records of Crotalus oreganus (including synonyms) at THE REPTILE DATABASE (by Peter Uetz et al).