Sheep grow wool as protection for themselves. As a result, they have evolved to grow just enough wool for protection from the cold and to keep cool in the summer. Wild sheep do not need to be sheared. Their time of shedding occurs when it is of benefit to them.

How do sheep naturally get rid of wool?

NARRATOR: These sheep shed their wool by molting in the spring. In other words, they never need to be sheared. That also means that their wool can't be used. Well, except by birds, which use it to line their nests.

Why is sheep wool cruel?

Cruelty. But nothing could be further from the truth. Sheep are specifically bred to produce more wool, which can lead to myriad problems. ... “This unnatural overload of wool causes animals to die of heat exhaustion during hot months, and the wrinkles also collect urine and moisture.