Bite severity: Much more severe than bites from copperheads and cottonmouths, all rattlesnake bites are considered medical ...

While the vast majority of Texas' snakes are completely harmless, about 15% are venomous, including rattlesnakes, ...

While the exact number of snake ... can be dark brown, olive-brown, olive green or almost solid black, and marked with wide, dark bands. The cottonmouth is named because of the white tissue ...

Six venomous snake species reside in ... with dark crossband patterns and light brown centers. As per their name, they are known for the contrasting white, cotton-like color inside their mouths.