Physical Appearance
The timber rattlesnake is a large reptile that can reach a length of 3 to 4 feet. But sometimes, it can reach a length of about 5 feet as well. The snake can be yellow, brown, gray, or black in color, with cross bands or chevrons on its back side. The yellow snakes usually have black, or dark brown cross bands, while the brown, gray, and the black snakes have dark cross bands.