Interesting Hedgehog Facts

hedgehog facts

How Hedgehogs Got Their Name

Hedgehogs got their name because of their foraging habits. Hedgehogs search through hedges looking for food and insects. As they move through the hedges, they emit hog-like sounds, hence the name ‘Hedgehog’

Number Of Hedgehog Quills

Hedgehogs have between 5,000 and 7,000 hollow quills. The quills do not have barbs. “Hedgehog Quill Anatomy”

Hedgehog quills are hollow, have a flexible neck, and are raised by erector muscles. They can raise the quills on their brow independently from the quills on their back. Hedgehog quills are smooth and do not have barbs.

Hedgehogs Are Immune To Poisons


Hedgehogs are immune to many types of toxins. They can eat small venomous snakes, scorpions and frogs without any ill effects. They are also unaffected by venomous or poisonous insects like spiders, millipedes, centipedes, beetles, caterpillars and bees.

Hedgehogs Don’t Like Milk

Hedgehogs are lactose intolerant.

Hedgehog Terminology

A baby hedgehog is called a hoglet, and a group of hedgehogs is called an array.

Hedgehogs’ Eyesight

Hedgehogs have bad eyesight, but great senses of hearing and smell.

Hedgehogs Are Fast

Hedgehogs can run six feet per second.

Hedgehog Teeth

Hedgehogs have 36-44 teeth in a long, pointy snout.

Types of Hedgehogs

There are 14 different hedgehog species in five genera. They are:

  • Atelerix
    1. Four-toed hedgehog
    2. North African hedgehog
    3. Southern African hedgehog
    4. Somali hedgehog
  • Erinaceus
    1. Amur hedgehog
    2. Southern white-chested hedgehog
    3. European hedgehog
    4. Northern white-breasted hedgehog
  • Hemiechinus
    1. Long-eared hedgehog
    2. Indian long-eared hedgehog
  • Mesechinus
    1. Daurian hedgehog
    2. Hugh’s hedgehog
  • Paraechinus
    1. Desert hedgehog
    2. Brandt’s hedgehog
    3. Indian hedgehog
    4. Bare-bellied hedgehog
Why You Should Get Hedgehogs As Pets


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