This is a list of the bird species recorded in Papua New Guinea. The avifauna of Papua New Guinea include a total of 897 species, of which 108 are endemic, and 2 have been introduced by humans. 44 species are globally threatened.
This list's taxonomic treatment (designation and sequence of orders, families and species) and nomenclature (common and scientific names) follow the conventions of The Clements Checklist of Birds of the World, 2022 edition. The family accounts at the beginning of each heading reflect this taxonomy, as do the species counts in each family account. Introduced and accidental species are included in the total counts for Papua New Guinea.
The following tags have been used to highlight several categories. The commonly occurring native species do not fall into any of these categories.
- (A) Accidental - a species that rarely or accidentally occurs in Papua New Guinea
- (E) Endemic - a species that is native only to Papua New Guinea
- (I) Introduced - a species introduced to Papua New Guinea as a consequence, direct or indirect, of human actions