Hedgehog
Context
Small nocturnal mammals known for their spiny coats, found in Europe, Asia, and Africa
Explanation
Hedgehogs are known for their ability to roll into a ball as a defense mechanism against predators. They feed on a variety of insects and small creatures.
Applications
Hedgehogs are popular as garden animals as they help in pest control.
They are also kept as pets in some regions, known for their curious and friendly nature.
Hedgehogs are important indicators of environmental health.