Individual orders
14 superorders and 35 orders are preliminary accepted here. Apart from a few exceptions, phylogenies are not resolved below genus level.
Readers interested in species-level information might refer to one of the following pages:
- "Birds of the World" [Cornell Lab of Ornithology]: https://birdsoftheworld.org/bow/species
- "TiF Checklist" [John F. Boyd III]: http://jboyd.net/Taxo/List.html