Crotalinae

plains and mountains. There are 24 different species of rattlesnake, and its average lifespan lasts anywhere from 10 to 20 years. A rattlesnake’s diet usually consists of lizards and small rodents including mice, rats, squirrels or rabbits. It measures around 5 to 6 feet long and approximately 5 pounds and often takes several years to mature. Natural predators of rattlesnakes include crows, coyotes, skunks, raccoons, roadrunners, king snakes and more. Taxonomy The taxonomy of the rattlesnake start with the kingdom Animalia and subkingdom Bilateria. Then it moves to the phylum Chordata, subphylum Vertebrata and the class Reptilia. Rattlesnakes are then placed in the order Squamata, suborder Serpentes, family Viperidae, subfamily Crotalinae and genus Crotalus. Description The rattlesnake’s eye is well adapted to nocturnal use, however their vision is keener during daytime. Rattlesnakes are able to see color, but unable to sharply define images forcing them to rely mostly on their perception of movement to hunt. Even though their eyes don’t move to follow objects, they are capable of horizontal rotation. The rattlesnake’s sense of smell is exceptionally acute. They smell both through their nostrils and the flicking of their tongues which carries particles to an organ called the Jacobson’s organ in the roof of their mouths. Rattlesnakes don’t have any ears, but they are able to sense vibrations in the ground that translate to the auditory nerve. The…

Vipera Ursinii The common names for the snake are Steppe viper, Orsini’s viper, and meadow viper; meadow snakes are family of snake that are very poisonous. These snakes evolved from animals that have four legs (Reptile), they are part the viperidae family, the old world Vipers. The color of this snake is light gray to brown and yellow, the belly of the snake is usually dark or light gray and also has zig zag line and black line behind the eyes. Even though this is a beautiful snake this…