This list of birds of Arizona includes every wild bird species seen in Arizona, as recorded by the Arizona Bird Committee (ABC) through January 2021. This list is presented in the taxonomic sequence of the Check-list of North and Middle American Birds, 7th edition through the 63rd Supplement, published by the American Ornithological Society (AOS). Common and scientific names are also those of the Check-list, except that the common names of families are from the Clements taxonomy because the AOS list does not include them. The following tags have been used to identify categories of occurrence: