Um... I think your talking about wool. It has four letters and comes from sheep. :D
Horse, sheep, are two examples.
A Jayzel is a 4 sided shape that is called a daddy.
This is a breed characteristic, they are actually sheep and are called Jacob sheep.
"Rams" or "Ewes" depending on their gender.
An animal with four or more horns is called polycerate.
Dove or Crow
Isle
Pixie - which is actually 5 letters.
4 sheep 2+2=4 2 sheep: they are both in front and in back ^^
it is lath
it's a Glen