साचा:IUCN bird chart
- Extinct in the wild (EW): ५ प्रजाती
- Critically endangered (CR): २१८ प्रजाती
- Endangered (EN): ४१६ प्रजाती
- Vulnerable (VU): ७४१ प्रजाती
- Near threatened (NT): ९७१ प्रजाती
- Least concern (LC): ७,८७२ प्रजाती
- Data deficient (DD): ६१ प्रजाती
पक्षी प्रजाती (IUCN, 2016-2)
- 10,284 extant species have been evaluated
- 10,223 of those are fully assessed[a]
- 8843 are not threatened at present[b]
- 1375 to 1436 are threatened[c]
- 145 to 163 are extinct or extinct in the wild:
- 140 extinct (EX) species[d]
- 5 extinct in the wild (EW)
- 17 possibly extinct [CR(PE)]
- 1 possibly extinct in the wild [CR(PEW)]
- ^ excludes data deficient evaluations.
- ^ NT and LC.
- ^ Threatened comprises CR, EN and VU. Upper estimate additionally includes DD.
- ^ Chart omits extinct (EX) species
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