They're venomous and camouflaged to blend into their environment.
There are plenty of rattlesnakes that call Texas home and snake handler Jackie Bibby, also known as the Texas Snake Man, said they are just as afraid of us as we are of them.
"Their venom looks like orange juice," he told spectators as he demonstrated the milking of the snake's toxic fluid.
That's why he educates people at rattle snake roundups, like the one in Oglesby, Texas. The Oglesby Lions Club has put on the snake show and hunt for more than 40 years.
For the community, it's a part of Texas culture.
"They're definitely part of our culture. We have to learn to live with them, so to speak, especially in this area," spectator Julie Walter said.
Close encounters with the slithery creatures brought her to the show.
"We had two rattlesnakes in our garage and it was terrifying, so I thought I ought to come to the show and find out what to do if I ever encountered one again," Walter said.
Bibby said just leave them alone.
"Never try and pick up a snake in the wild," he said.
According to the Texas State Historical Society, there are 10 species of rattlesnakes in Texas. Typically, Texas rattlesnakes breed in the spring and fall.