List of least concern birds

In December 2019, the International Union for Conservation of Nature (IUCN) listed 8460 least concern avian species.^[1] Of all evaluated avian species, 76.9% are listed as least concern. No subpopulations of birds have been evaluated by the IUCN.

Extinct in the wild (EW): 5 species
Critically endangered (CR): 216 species
Endangered (EN): 372 species
Vulnerable (VU): 670 species
Near threatened (NT): 967 species
Least concern (LC): 8,767 species
Data deficient (DD): 37 species

Avian species (IUCN, 2025-2)

11,198 extant species have been evaluated
11,161 of those are fully assessed^[a]
9,734 are not threatened at present^[b]
1,427 to 1,464 are threatened^[c]
169 to 187 are extinct or extinct in the wild:
- 164 extinct (EX) species^[d]
- 5 extinct in the wild (EW)
- 18 possibly extinct [CR(PE)]

[a]
excludes data deficient evaluations.
[b]
NT and LC.
[c]
Threatened comprises CR, EN and VU. Upper estimate additionally includes DD.
[d]
Chart omits extinct (EX) species

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.

[1] [a]
excludes data deficient evaluations.

[2] [b]
NT and LC.

[3] [c]
Threatened comprises CR, EN and VU. Upper estimate additionally includes DD.

[4] [d]
Chart omits extinct (EX) species

[1]

[a]

[b]

[c]

[d]