+A [louse](/wiki/louse) is a tiny, wingless [insect](/wiki/insect) living as an external [parasite](/wiki/parasite) on mammals and birds. It clings to hair or feathers, feeding on blood or skin, often causing persistent itching.
+## See also
+- [Tick](/wiki/tick)
+- [Flea](/wiki/flea)
+- [Ectoparasite](/wiki/ectoparasite)
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