In the mountains of western Iran, a fascinating predator known as the spider-tailed horned viper (Pseudocerastes urarachnoides) employs a remarkable hunting strategy. This snake has evolved a ...

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.