As of December 2019, the International Union for Conservation of Nature (IUCN) lists 8460 least concern avian species. 76.9% of all evaluated avian species are listed as least concern. No subpopulations of birds have been evaluated by the IUCN. This is a complete list of least concern avian species evaluated by the IUCN. Where possible common names for taxa are given while links point to the scientific name used by the IUCN.