^Threatened comprises CR, EN and VU. Upper estimate additionally includes DD.
^Chart omits extinct (EX) species
As of December 2020, the International Union for Conservation of Nature (IUCN) lists 46 data deficient avian species.[1] 0.47% 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.
^"IUCN Red List version 2020-3". The IUCN Red List of Threatened Species. International Union for Conservation of Nature and Natural Resources (IUCN). Retrieved 8 September 2016.
and 29 Related for: List of data deficient birds information
of all evaluated avian species are listed as datadeficient. No subpopulations ofbirds have been evaluated by the IUCN. This is a complete listof data...
Datadeficient (DD): 46 species In December 2019, the International Union for Conservation of Nature (IUCN) listed 460 endangered avian species. Of all...
(LC): 8,460 species Datadeficient (DD): 46 species In December 2019, the International Union for Conservation of Nature (IUCN) listed 8460 least concern...
Datadeficient (DD): 46 species In December 2020, the International Union for Conservation of Nature (IUCN) listed 798 vulnerable avian species. Of all...
species Datadeficient (DD): 1,988 species In September 2016, the International Union for Conservation of Nature (IUCN) listed 1988 datadeficient mollusc...
known to be threatened with extinction, and 836 are listed as DataDeficient. The Red Listof 2012 was released 19 July 2012 at Rio+20 Earth Summit; nearly...
species. 29% of all evaluated invertebrate species are listed as datadeficient. The IUCN also lists 57 invertebrate subspecies as datadeficient. No subpopulations...
(NT), datadeficient (DD), and prehistoric species. The following is a listof animal species classified as threatened: The following is a listof plant...
critically endangered birdsListof recently extinct birdsListofdatadeficientbirds "IUCN Red List version 2019-3". The IUCN Red Listof Threatened Species...
and is listed as "DataDeficient" by the IUCN. It is named after American manager and zoologist Dean Conant Worcester (1866-1924). These birds are characterized...
regions. Most species are listed as either vulnerable or datadeficient by the IUCN Red Listof threatened species. Several species are widely cultivated...
Herping Human uses of reptiles Reptile centres Reptile organizations Listof least concern reptiles Listofdatadeficient reptiles Listof near threatened...
not especially noted. This list is presented in the taxonomic sequence of the Check-listof North and Middle American Birds, 7th edition through the 63rd...
It may be threatened by habitat loss, but is currently listed by the IUCN as DataDeficient as there have been no definite records since the type specimen...
therefore it is listed as datadeficient. It has a decreasing population trend. BirdLife International (2016). "Ploceus upembae". IUCN Red Listof Threatened...
organizations include the IUCN, BirdLife International, and Partners in Flight. The average global population of all mature birds is estimated to be somewhat...
3,306 species Datadeficient (DD): 872 species As of January 2020, the International Union for Conservation of Nature (IUCN) listed 203 critically endangered...
consequently warrant a datadeficientlisting until more information about their ecology is available. There are currently 20 extant species of stork recognised...
as a direct or indirect consequence of human actions Datadeficient - a species with uncertain status due to lack of research or available information Order:...
assigned category of conservation dependent. Species that have not been evaluated (NE), or do not have sufficient data (datadeficient) also are not considered...