List of data deficient birds

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5 extinct in the wild avian species (0.05%)223 critically endangered avian species (2%)460 endangered avian species (4.2%)798 vulnerable avian species (7.2%)1,001 near threatened avian species (9.1%)8,460 least concern avian species (76.9%)52 data deficient avian species (0.4%)
Avian species (IUCN, 2020-3)
  • 10,999 extant species have been evaluated
  • 10,947 of those are fully assessed[a]
  • 9,461 are not threatened at present[b]
  • 1,481 to 1,533 are threatened[c]
  • 164 to 183 are extinct or extinct in the wild:
    • 159 extinct (EX) species[d]
    • 5 extinct in the wild (EW)
    • 19 possibly extinct [CR(PE)]

  1. ^ excludes data deficient evaluations.
  2. ^ NT and LC.
  3. ^ Threatened comprises CR, EN and VU. Upper estimate additionally includes DD.
  4. ^ Chart omits extinct (EX) species

As of September 2016, the International Union for Conservation of Nature (IUCN) lists 61 data deficient avian species.[1] 0.59% of all evaluated avian species are listed as data deficient. No subpopulations of birds have been evaluated by the IUCN.

This is a complete list of data deficient 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.

Procellariiformes

Includes petrels and albatrosses.

Gruiformes

("Crane-like")

Owls

Passerines

Caprimulgiformes

Other bird species

See also

References

  1. ^ "IUCN Red List version 2016-2". The IUCN Red List of Threatened Species. International Union for Conservation of Nature and Natural Resources (IUCN). Retrieved 8 September 2016.