Waa kuwee dabinada sunta leh ee soo socda oo ukumo dhiga: copperhead, moccasin biyo, rattlesnake, coral snake.
Masaska Coral waa masaska kaliya ee sunta leh ee ku jira liiska ee ukunta leh ama ugxan leh. Cagaha naxaasta ah, mocasinka biyaha iyo masaska xarkaha leh waa ovoviviparous, waxayna dhalaan dhalinyaro nool.