Baby copperheads feature distinct yellow tails, while rattlesnakes rarely bite unless threatened. Seek expert care promptly if bitten.

Fifteen-month-old Cara Reed was treated with 30 vials of antivenom after being bit by a rattlesnake twice on her left foot.

Pets are even more likely to suffer a bite, and to be killed by it. Of all US snake species, rattlesnakes are among the most dangerous. In a study of snakebites affecting 11,138 patients ...