The rattlesnake almost became the national symbol of U.S.A. Arizona, a southwestern state, has more species of rattlesnake than any other snake. The ridges above a sidewinders eyes protect them from the blowing sand. Rattlesnakes are deaf so they can not hear themselves rattle. Rattlesnakes gain a new rattle each time they shed their skin. The largest number of rattles ever recorded on a rattlesnake is 16.
Rattlesnakes have the same kind of organs as humans .
We learned many interesting topics while researching. One of them is their size, color, and shape. There are two groups of rattlesnakes - the pygmy and the crotalus . The crotalus group which includes the larger snakes like the eastern diamond back. Crotalus rattlesnakes have small scales on their heads.