Class Aves Linnaeus, 1758 - birds
see Subclass Aves Linnaeus, 1758
Subclass Neornithes Gadow, 1893
see Clade Neornithes Gadow, 1893
Infraclass Neoaves Sibley et al., 1988
see Subcohort Neoaves Sibley et al., 1988
Parvclass Passerae
see Superorder Passerimorphae Sibley et al., 1988
Superorder Apodimorphae
see Order Apodiformes Peters, 1940
Order Apodiformes Peters, 1940 - swifts
Family Hemiprocnidae Oberholser, 1906 - treeswifts
Genus Hemiprocne Nitzsch, 1829
1 Hemiprocne coronata (Tickell, 1833) - crested treeswift
2 Hemiprocne longipennis (Rafinesque, 1802) - grey-rumped treeswift
3 Hemiprocne mystacea (Lesson & Garnot, 1827) - moustached treeswift
4 Hemiprocne comata (Temminck, 1824) - whiskered treeswift