The horns are a defense against predators - when threatened, cows form a circle with their tails in the center and their heads out. The cows all lower their heads to put the horns between the predator and the rest of the cows. Cows can use their horns to gore wolves, coyotes, mountain lions and other large predators to death.
Bone and keratin.
Yes. Both sexes are likely to have horns.
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A crummie is a British slang term for a person who is annoying or ineffectual. It can also refer to something that is of poor quality or inferior.
A play on words for a cow's horn is don't mess with the bull, or you will get the horns. Male cows have horns and female cows do not.
Polled is a term meaning the cow has a gene that they will have no horns. Unpolled is the opposite; they have the gene to grow horns.
A Long horn cow is a cow with long horns, however Longhorns are a breed, typically referring to the Texas Longhorns.
i think
a male cow a deer a moose
Yes.
With some Moo-se.
You have to use a dehorning tool or a saw to cut the horns off. Your local feed/livestock equipment store for such tools.