+Horns are hard, often pointed [growths](/wiki/Growth) that extend from the heads of various animals. Primarily for [defense](/wiki/Defense) or territorial display, these permanent structures are commonly composed of bone, keratin, or a combination of both.
+## See also
+- [Antlers](/wiki/Antlers)
+- [Keratin](/wiki/Keratin)
+- [Mammals](/wiki/Mammals)
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