Viper

The Viper (Vipera berus) is a carnivore species found in Europe and northern Asia. It typically lives 10-15 years, weighing around 0.05-0.18 kg, and is currently classified as Least Concern on conservation status lists.

One fact worth knowing about the viper: Common vipers can survive arctic winters by hibernating in groups.

Reptiles are cold-blooded vertebrates covered in scales, ranging from tiny geckos to massive crocodiles. Most reptiles lay eggs and rely on their environment to regulate body temperature.