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Crotalus mitchellii is a venomous pit viper species in the family Viperidae. The species is endemic to the Southwestern United States and adjacent northern Mexico . The species was named in honor of Silas Weir Mitchell (1829–1914), an American medical doctor who also studied rattlesnake venoms.
Crotalus mitchellii muertensis is a venomous pitviper subspecies [4] [5] endemic to El Muerto Island, Mexico. It is sometimes treated as a full species, Crotalus ...
Timber rattlesnake, Crotalus horridus This is a list of all sure genera, species and subspecies of the subfamily Crotalinae, [1] otherwise referred to as crotalines, pit vipers, or pitvipers, and including rattlesnakes Crotalus and Sistrurus.
The generic name Crotalus is derived from the Greek word κρόταλον krótalοn, which means "rattle" or "castanet", and refers to the rattle on the end of the tail, which makes this group (genera Crotalus and Sistrurus) so distinctive. [3] As of July 2023, 44 [4] to 53 [5] species are recognized as valid.
Crotalus angelensis, or the Ángel de la Guarda Island speckled rattlesnake, [3] is a pit viper species [4] [5] endemic to Isla Ángel de la Guarda in the Gulf of California, Mexico. [5] Like all other pitvipers, it is venomous. It is sometimes treated as a subspecies of Crotalus mitchellii. [1]
Crotalus intermedius Troschel, 1865; Crotalus lannomi Tanner, 1966; Crotalus lepidus (Kennicott, 1861) Crotalus mitchellii (Cope, 1861) Crotalus molossus Baird & Girard, 1853; Crotalus oreganus Holbrook, 1840; Crotalus ornatus Hallowell, 1854; Crotalus polystictus (Cope, 1865) Crotalus pricei Van Denburgh, 1895; Crotalus pusillus Klauber, 1952 ...
Crotalus pyrrhus is a venomous pitviper species [2] found in the southwestern United States and northwestern Mexico. A medium-sized snake, it is found mostly in rocky country, active at night and feeding on small mammals. The coloration is variable and depends on the color of the rocks and soil of the habitat.
A world map is a map of most or all of the surface of Earth. World maps, because of their scale, must deal with the problem of projection. Maps rendered in two dimensions by necessity distort the display of the three-dimensional surface of the Earth. While this is true of any map, these distortions reach extremes in a world map.