一只成年刺猬的背上有超过5000根刺。不过,这对刚出生的刺猬宝宝并不会构成威胁,因为刺猬妈妈总是把柔软的腹部对着它们。刺猬的刺是由毛演变而成的。这些细长、浓密、坚硬的刺能够刺破人的皮肤,还好,刺猬的腹部、脸部、四肢上都没有刺。刺猬妈妈总是小心地把刺收拢,避免将背部的刺对着它的宝宝。小刺猬的身 An adult hedgehog has more than 5000 thorns on his back. However, this does not pose a threat to newborn hedgehog babies because hedgehog mums always point their soft belly against them. Hedgehog thorn is made by the evolution of wool. These slender, thick, hard thorns pierce human skin, but fortunately, the hedgehog’s abdomen, face, and limbs have no thorns. Hedgehog mom always carefully prick the thorns, avoid the back of the stab against its baby. Little hedgehog body