:category:Birds by classification
This category lists orders of birds (ending in "-formes") as categories, and pages dealing with certain (non-taxonomic) groups of birds.
The first section links to categories listing lower taxonomic levels in birds. In the second section, higher categories such as superorders, and basal groups are listed.
{{category tree all|Birds by classification|mode=pages|hideroot=off|showcount=off|header=Click to see Category Tree for:}}