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Crotalus molossus

Northern Black Tailed Rattlesnake

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

  • up to 140 cm ref
  • Length Newborn

  • 25 to 30 cm ref
  • Reproduction

  • ovoviviparous ref
  • Pupil Shape (when closed!)

  • slit (or vertical elliptical) ref
  • Fangs

  • foldable ref front-fanged ref

Altitude range

Vertical distribution

0 to 3000 meter above sea level (a.s.l.) ref

Subspecies & Common Names

Crotalus molossus  ACHI Sochoj, BILOXI NdÉsi Xidi', CAJUN FRENCH Serpent Sonnette, CENTRAL NAHUATL Colcoatl, Ecacóatl, Ehecacóatl, Palanca, Palancacóatl, Tecutlacotzauhqui, Tepecolcóatl, Teuhtlacot Zauhqui, Teuhtlacotzauhqui, Teuhtlacozauhqui, Tleua, CENTRAL TARAHUMARA Chachámuri, Chamurá, Chanébari, Sayahui, Sayao, Sayawi, Sayawi Ri Ra, 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 Bell Snake, Black Tail Rattler, Black Tail Rattlesnake, Black Tailed Rattlesnake, Blacktail Rattlesnake, Buzz Tail, Chatter Viper, Diamond Back, Green Rattler, Green Rattlesnake, Muscial Jack, Northern Black Tailed Rattlesnake, Rattle Tail Snake, Rattlesnake, Rusty Back, Sizzle Tail, Snattle Rake, FINNISH Kalkkarokäärmeet, FRENCH Crotale, Crotale à Queue Noire, Crotale Diamant, Serpent à Sonnette, Vipere à Queuë Sonnante, GERMAN Klapperschlange, Schwarzschwanz Klapperschlange, Waldklapperschlange, HOPI Tsuu'a, HUASTEC Tzahuil, ITALIAN Crotalo, Crotalo Coda Nera, 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 Llanera, Cascabel Serrana, Cascabel Serrana De Cola Negra, Crotalo, Culebra De Cascabel Grande, Raboseco, Señora De La Serpientes, Serpiente De Cascabel, Trompito, Vibora, Víbora De Cascabel, Vibora De Cascabel De Cola Negra, 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, Palancacoatl, Sak Ahaw Kan, Tecutlacotzauhqui, Tepecolcoatl, Tleua, Tsabkan, Tu Jtsúmum, UNDETERMINED LANGUAGE Yacachtli, YAQUI Aakame, YUCATECO Ahaucan, ZAPOTEC Bgüiz', Gwbiz, Xbi' ref
Crotalus molossus molossus CENTRAL NAHUATL Palancacóatl, Tecutlacotzauhqui, Tepecolcóatl, Teuhtlacotzuahqui, Teuhtlacozauhqui, Tleua, ENGLISH Blacktail Rattlesnake, Dog Faced Rattlesnake, Dog Head Rattlesnake, Green Rattler, Mountain Diamond Back Rattlesnake, Northern Black Tail Rattlesnake, Northern Blacktail Rattlesnake, GERMAN Schwarzschwanz Klapperschlange, SPANISH Cascabel Cola Negra, Cascabel De Cola Negra, Cascabel De Cola Negra Norteña, Cascabel De Colinegra Norteña, Palanca, Vibora De Cascabel De Cola Negra ref
Crotalus molossus nigrescens ENGLISH Mexican Black Tail Rattlesnake, Mexican Black Tailed Rattlesnake, Southern Blacktail Rattlesnake, GERMAN Mexanische Schwarzschwanz Klapperschlange, Mexikansche Schwarzschwanz Klapperschlange, SPANISH Cascabel De Cola Negra, Palanca ref
Crotalus molossus oaxacus CENTRAL NAHUATL Tlecóatl, Tlehua, Tleua, ENGLISH Oaxacan Black Tail Rattlesnake, Oaxacan Black Tailed Rattlesnake, Oaxacan Rattlesnake, GERMAN Oaxaca Schwarzschwanz Klapperschlange, SPANISH Tleua 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 molossus

  • Northern black tailed rattlesnake
  • VI. snakeID

  • 253
Look up complete taxonomic records of Crotalus molossus (including synonyms) at THE REPTILE DATABASE (by Peter Uetz et al).