Podicipediformes
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keluarga Grebe

Bacaan lanjut
http://commons.wikimedia.org/wiki/Category:Podicipediformes
Konter, A. 2001. Grebes of our World: Visiting all Species on 5 Continents. Lynx Edicions, Barcelona.

Livezey, B. C. 1989. Flightlessness in grebes (Aves, Podicipedidae) - its independent evolution in 3 genera. Evolution 43 (1):29-54.

Sumber gambar
http://tolweb.org/Podicipediformes/26371

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