3. Rattlesnake
The rattlesnakes are easily identifiable due to their heavy bodies and the diamond-shaped heads. Their tails are constantly shaking and it makes a rattling noise as it shivers and that’s how it got its name. The Rattlesnakes breed during the springtime and is considered as a recently evolved species. They are extremely fast and can attack their prey in five-tenths of a second. Yes, you won’t even see it coming!