Ophistocomiformes
Keluarga hoatzin
Bacaan lanjut
Myers, P., R. Espinosa, C. S. Parr, T. Jones, G. S. Hammond, and T. A. Dewey. 2008. The Animal Diversity Web (online). Accessed February 21, 2009 at http://animaldiversity.org.
http://www.dengel.name/site.php?page=birdlist_australia&gall=buntspecht_gall&lng=en
http://en.wikipedia.org/wiki/Category:Opisthocomiformes
Sumber gambar
http://www.travelblog.org/Photos/1646330.html
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