Eastern Diamondback Rattlesnake
It's eating habit.
These snakes tend to feast on small animals such as mice, rats, rabbits, and sometimes small birds.
About it's venom.
This snake has strong venom at it's disposal for it to capture it's prey. The estimated human lethal dose is 100–150 mg. About 30% of these snake bites are fatal. If you see this snake, just leave it alone.