Blackheads are caused by trapped oil under the skin. Blackheads appear to be black, but this is just their appearance under the skin.
Yes, it can have a mutation which causes it to have two heads.
The species of birds that have a distinctive black stripe on their heads are called the Black-capped Chickadees.
Probably black heads
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genetic mutation
The Black cap is a small European song bird, with the males having black heads and the females chestnut color heads.
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No, there has been no discovery of this.
Sheep with black heads are commonly known as Blackheaded Dorper sheep. They are a breed of domestic sheep known for their meat production and adaptability to various climates.
those black spots are black heads caused from to much oil in the ears
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