Apodiformes

Keluarga kolibri

Bacaan lanjut
Slikas, B (1998), Recognizing and testing homology of courtship displays in storks (Aves: Ciconiiformes: Ciconiidae). Evolution 52: 884-893.
Mindell, DP, MD Sorenson & DE Dimcheff (1998), Multiple independent origins of mitochondrial gene order in birds. Proc. Natl. Acad. Sci. 95: 10693-10697

Wuyts, J, Y Van de Peer & R De Wachter (2001), Distribution of substitution rates and location of insertion sites in the tertiary structure of ribosomal RNA. Nucl. Acids Res. 29: 5017-5028.

Sumber gambar
http://www.iwrc-online.org/kids/Facts/Birds/bird_families.htm