What are those things on top of quails' heads?
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star wars freak
ANSWERS: 1
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The thing on the top of its head is called a plume or top-knot. The topknot looks like a single feather, but it is actually a cluster of six overlapping plumes. The black plume on male quails has a forward arch that bobs up and down when it walks, while the female quail's plume is much shorter. (from http://www.espn.go.com/outdoors/general/s/g_enc_california_quail.html)
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