Definition
The term 'genus erinaceus' refers to a specific group within the hedgehog family. It's a biological classification, like sorting animals into distinct bins based on shared characteristics. Think of it as the 'brand name' for certain types of hedgehogs. These hedgehogs typically have quills covering their backs for defense. They are generally nocturnal, meaning they are active at night. Genus erinaceus hedgehogs are found in Europe, Asia, and Africa. They are known for their ability to roll into a ball when threatened, protecting themselves from predators. Essentially, 'genus erinaceus' helps scientists organize and understand the diversity of hedgehogs.