Indonesia, with its vast islands, tropical weather and rainforests is one of the world's richest and most important countries in terms of biodiversity. In addition to the many resident birds, a considerable number of migratory species winter in the country to escape their northern breeding grounds.
The avifauna of Indonesia include a total of 1809 species, of which 786 are endemic, and 3 have been introduced by humans. 150 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 Indonesia.
The following tags have been used to highlight several categories. The commonly occurring native species do not fall into any of these categories.