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Crotalinae Reference Libraries

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Bothriechis guifarroi
2013-06-18 13:48:58

Bothriechis guifarroi is a species of green palm-pit viper located in northern Honduras. It was previously confused with other Honduran palm pit vipers. It was discovered by scientists performing two expeditions in 2012 aiming at studying the fauna of Texiguat Wildlife Refuge. This area is thought to be one of the most endemism-rich and diverse highland forests in Mesoamerica. This species...

Cottonmouth Water Moccasin
2007-06-25 07:03:19

The Cottonmouth or Water Moccasin, Agkistrodon piscivorus, is a pit viper found in the United States. It is a close relative of the copperhead. The Cottonmouth is found along the eastern coast, southern, and Midwest areas of the United States. Along the coast they are found as far north as Virginia and Illinois in the interior states. They are rarely found away from permanent water sources....

Broad-banded Copperhead
2007-03-19 16:03:59

The Broad-banded Copperhead, Agkistrodon contortrix laticinctus, is a subspecies of North American copperhead snake found in the southern United States. It can be found from Kansas through Oklahoma and throughout central Texas. It prefers lightly wooded habitats, typically with a good amount of ground debris for cover, not far from a permanent water source. They typically avoid regions with a...

Pygmy Rattlesnake
2007-01-10 11:03:32

The Pygmy Rattlesnake, Sistrurus miliarius, is a species of venomous rattlesnake found in the southeastern United States. There are three subspecies of this snake. They are generally a small species that grow to between 15 to 31 inches in length. Photo by LA Dawson

Desert Massasauga
2007-01-10 11:01:33

The Desert Massasauga, Sistrurus catenatus edwardsii, is a subspecies of the Massasauga rattlesnake. It is found in the southwestern United States, primarily in Texas, New Mexico and Arizona. There are also small populations in Colorado, Oklahoma, California, and in northern Mexico. It is found in rocky, semi-arid and arid areas. The Desert Massasauga has a light gray or white base color,...

Massasauga
2007-01-10 10:58:11

The Massasauga, Sistrurus catenatus, is a species of venomous rattlesnake found in the United States, primarily in the Great Lakes region from New York to Illinois, including Ontario in Canada. Some isolated populations are found as far south as northern Missouri. It is the only venomous snake in Michigan, where it is known as the Michigan Rattler. It is also called the swamp rattler because it...

Ridge-nosed Rattlesnake
2007-01-10 10:54:12

The Ridge-nosed Rattlesnake, Crotalus willardi, is a small species of venomous rattlesnake found in the southwestern United States and Mexico. It is rarely found outside habitats of high elevation. They are found primarily in wooded mountain ranges primarily in the southwest. Human encounters with these snakes are considered rare events. This is a rather small rattlesnake, with all...

Mojave Rattlesnake
2007-01-10 10:45:27

The Mojave Rattlesnake, Crotalus scutulatus, also known as the Mojave rattler, desert diamondback, and scutulated rattlesnake, is a venomous pit viper species commonly found in the southwestern United States and central Mexico. They are primarily found in high desert or low mountain slopes. They prefer scrub brush such as mesquite and creosote, but may also reside in lowland areas of sparse...

Cottonmouth
2005-06-22 14:46:04

The Cottonmouth, or water moccasin (Agkistrodon piscivorous), is a venomous snake which is closely related to the copperhead. It is a pit viper, with a heat-sensing organ in its nose that allows it to locate warm blooded prey. The cottonmouth is a very aggressive snake, and, unlike most snakes (including the copperhead) when startled the cottonmouth will stand its ground and open its mouth...

Rattlesnake
2005-06-15 17:02:02

Rattlesnakes are a group of venomous New World snakes (genera Crotalus and Sistrurus) which have a small jointed rattle on their tails. They use this rattle as a warning device when they feel threatened. The rattle is composed of a series of nested, hollow beads which are actually modified scales from the tail-tip. Each time the snake sheds its skin, a new rattle segment is added. Since they...

Word of the Day
bretelles
  • In dressmaking, straps running from the belt in front over the shoulders to the belt in the back, with more or less elaboration of trimming and outline. They usually broaden at the shoulder and narrow toward the waist.
The word 'bretelles' comes from a French word meaning 'braces'.