Rattlesnakes

   
Rattlesnakes
Rattlesnakes
Rattlesnake rattlesnake species: there are 2 genera - Sistrurus body small, head has 9 large scale; Crotalus 's body size, Aruba rattlesnake for depending on, but the head scales are very small. The most common North American is the United States of central and eastern region of Crotalus horridus is zonal marking the United States in several Western rattlesnake, prairie rattlesnake, Eastern diamondback rattlesnake and western diamondback rattlesnake, rattlesnake after two is among the largest. Rattlesnakes in Canada to South America area in arid regions, gap between the larger body length, such as the Mexico several smaller species are only about 30 cm ( 1 feet), and the eastern diamondback rattlesnake approximately up to 2.5 meters ( 8 feet). There are few with horizontal stripes, mostly grey or pale brown, with dark stripes or spots, hexagonal diamond shaped, some species to different shades of orange, pink, red or green, and sometimes difficult identification.
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Rattlesnake vertebrates, reptiles, Viperidae ( crotalidae ). A tube of tooth type of snake, snake venom Xuexun drugs. Average body length of about 1.5 to 2 meters. Body is yellowish green, dark brown back with diamond. The tail end of a bunch of horny rings has for many times after molting, the remnants of the enemy, when meeting or sharp activity, rapid swing tail tail ring, every second can swing 40 ~ 60 times, can long time with a loud voice, causing the enemy to come near, or run away, so called rattlesnake.