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 ...

a spider-tailed viper's tail resembles a spider. In the 1970s, when scientists came across the reptile, also known as the Iranian spider viper, they believed its tail was a mutation until they saw ...

A spider-tailed viper might sound nightmarish but it’s ... Until 2006 examples of these snakes found in the Iranian desert were passed off as having growth abnormalities. It was only when ...