Western Rattlesnake
Source
Animalia
Chordata
Reptilia
Squamata
Viperidae
Crotalus
Crotalus viridis
Western Rattlesnakes are readily identified with their large triangular head offset by their narrow neck, the deep pit located between their nostrils and their upper labial scales, and of course, their... More »
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Crotalus viridis - Wikipedia, the free encyclopedia
Crotalus viridis is a venomous pitviper species native to the western United States, southwestern Canada, and northern Mexico. Currently, nine subspecies are recognized, including the nominate subs...
en.wikipedia.org/wiki/Crotalus_viridis
Crotalus viridis nuntius - Wikipedia, the free encyclopedia
Crotalus viridis nuntius is a venomous pitviper subspecies native primarily to the desert plateau of the northeastern portion of the American state of Arizona, but also ranges into northwestern New...
en.wikipedia.org/wiki/Crotalus_viridis_nuntius
Crotalus viridis are found across most of the United States west of Texas and the Dakotas. They are also found in northern Mexico and southwest Canada. (Melli, 1999; LaDuc, 2000)
animaldiversity.ummz.umich.edu/site/accounts/informatio... animaldiversity.ummz.umich.edu/site/accounts/information/Crotalus_viridis.html
Western Rattlesnake Species Account ... The subspecies found in the southwestern portion of the state is the Great Basin Rattlesnake (Crotalus viridis lutosus). These snakes have less distinct markings on the head, and less prominent body blotches that are irregular in shape and may have light colored centers (Nussbaum et al.
imnh.isu.edu/DIGITALATLAS/bio/reptile/serp/crvi/crvifra... imnh.isu.edu/DIGITALATLAS/bio/reptile/serp/crvi/crvifram.htm
A description of the Western Rattlesnake (Crotalus viridis helleri). ... Crotalus viridis; Western Rattlesnake ... Coloration: The Western Rattlesnake (Crotalus viridis) is a widely distributed and highly variable species. In our region, this snake is lighter gray or brown. Pale margins edge the pattern of its dark dorsal blotches.
www.sdnhm.org/fieldguide/herps/crot-vir.html
; Photos by Chris Brow ... Scientific name: Crotalus viridis helleri ... Similar species: Crotalus ruber: Has conspicuous black and white banded tail; usually tannish or reddish dorsal coloration...
www.werc.usgs.gov/fieldguide/crvi.htm
Query: SELECT * FROM img WHERE ready=1 and taxon = "Crotalus viridis" and ... Crotalus viridis. Western Rattlesnake ID: 1342 3162 2233 0016 [detail] ...
calphotos.berkeley.edu/cgi/img_query?stat=BROWSE&query_... calphotos.berkeley.edu/cgi/img_query?stat=BROWSE&query_src=photos_fauna_sci-Reptile&where-lifeform=Reptile&where-taxon=Crotalus+viridis&title_tag=Crotalus+viridis
Crotalus viridis is one of the most wide-ranging and most variable rattlesnakes in the United States, extending from the Canadian to the Mexican border, covering much of the western U.S. The majority of Prairie Rattlesnakes encountered in the field measure around 91.5 cm (36 in), though some individuals have measured...
www.zo.utexas.edu/research/txherps/snakes/crotalus.viri... www.zo.utexas.edu/research/txherps/snakes/crotalus.viridis.html