The article highlights six of the ugliest snakes on the planet, focusing on their bizarre and creepy appearances. Examples ...

There probably aren't many animals as aptly named as the spider-tailed horned viper. With a tail tip that resembles a spider and horns atop its head, it's easy to visualize this venomous snake.

From Saharan horned vipers to horned adders ... This ambush predator buries itself in loose sand, leaving only its head exposed as it waits for small mammals, lizards and birds to pass by.