Scientific name : Erinaceinae
There are some 15 species of hedgehog in Europe, Asia, and Africa. Hedgehogs have also been introduced into nontraditional ranges such as New Zealand. The hedgehog was named because of its peculiar foraging methods
Meal worms are a popular treat for hedgehogs, but should be limited as a treat. They are high in fat. Fruit. Many hedgehog owners have supplemented their hedgehog's diet with fruit. There is some concern that grapes may cause illness in hedgehogs. Melons have been noted as a popular treat
Hedgehogs are easily recognized by their spines, which are hollow hairs made stiff with keratin. Their spines are not poisonous or barbed and unlike the quills of a porcupine, do not easily detach from their bodies. Most hedgehogs can fit in an adult's hand. They range in size from 4 to 12 inches (10 to 30 centimeters), according to the San Diego Zoo. They typically weigh from 5 to 56 ounces (155 to 1,584 grams), depending on the species
Most baby hedgehogs are born in June and July, with an average litter size of four or five young, of which two or three are usually weaned successfully. The mother is liable to desert or even eat the young if she is disturbed. Young hedgehogs will leave the nest when they are around three to four weeks old to go on foraging trips with their mother. After around ten days of foraging with their mother the young will wander off on their own
•When the hedgehog is frightened it tightens this muscle, that acts like a drawstring, and it enables the hedgehog to hide its head, belly, feet and legs in a prickly coat of erect spines.When hedgehogs are nervous, a balled up hedgehog also may snuffle, huffle or snort
WEIRD/ interesting info
But it doesn't come up much, since hedgehogs are solitary creatures who usually come together only to mate. Muscles along the animal's back can raise and lower the quills to respond to threatening situations.