Hedgehog
The hedgehog's back is made up of two large muscles, which control the
positioning of its quills. There are about 5,000 to 6,500 quills on the
average hedgehog, and these are durable on the outside, while being
filled with air pockets on the inside. The hedgehog uses its quills to
protect itself from predators, using muscles which draw their quilled
skin to cover their full body, and pulling in the parts of their bodies
not covered, such as their head, feet, and belly. This form of defense is the hedgehog's most successful, but is usually their last resort.
Hedgehog
Hedgehog
Hedgehog
Hedgehog
Hedgehog
Hedgehog
Hedgehog
Hedgehog
Hedgehog
Hedgehog
Hedgehog
Hedgehog
Hedgehog
Hedgehog
Hedgehog
Hedgehog
Hedgehog
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