Red
red
It is a genetic flaw or mutation. Snakes do not naturally have 2 heads
crack heads
Cerberus had three heads naturally had three?
Because of the oil naturally present in human skin.
Not particularly. Many tabby cats naturally have an M shape in the stripes on their head. Some tortoise shell cats also have M-shaped patches of color on their heads.
its a tradition
They made arrow heads
chicken heads
I'm not quite sure, but if your wondering what color hummingbirds heads are it really depends on the type of hummingbird. If your looking for a specifif kind, as far as I know, all hummingbird heads are not the same color
chicken heads
Thier head changes color .
Well actually cat from victorious is naturally a red headed