Minecraft wiki entry for Sheep_(disambiguation), associated text: Rocky Sheep, a white sheep with brown spots
Flecked Sheep, a brown sheep with a white head and white towards the bottom of the legs
Inky Sheep, a white sheep with black legs and some black on its head
Rainbow Sheep, a rainbow colored sheep variant that drops Rainbow Wool
Horned Sheep, a sheep variant with horns
Patched Sheep, a white sheep with a black face, white legs and black hoofs
Fuzzy Sheep, a white sheep with a black face, legs and hoofs
Long Nose Sheep, a tan sheep with a black face, legs and hoofs
Mossy Sheep, an unused sheep covered in what appears to be moss