Apodiformes

Trochilidae - For a taxonomic list of genera, see:

Apodidae - The swifts are a family, Apodidae, of highly aerial birds.

Hemiprocnidae - The treeswifts or crested swifts are a family, Hemiprocnidae, of aerial near passerine birds, closely related to the true swifts.

Order : Apodiformes