I found this site on Google: World of Wool
Looks like they sell all sorts of natural wools.
Etsy also has a few vendors who sell undyed black wool.
Wool
White since the wool tends to be higher quality than the wool from a black sheep. Also white wool can be dyed a multitude of colours.
The skin
No. Not even black sheep.
3
Harvest wool
All parts except the lower legs, face, udder
The possessive form of "wool of the sheep" is "the sheep's wool".
You can dye wool or sheep black with it.
yes
Most sheep are white, but there are other colors. The second most common color is black. And white ones can have white OR black faces.
Dogs do not have wool. No types of dogs have wool.