There are 190 species of Critically endangered birds listed in BirdLife's Rare Bird book 2009
- White-winged Guan El Limon, Peru 19-10-2002 seen sitting on nest
- Trinidad Piping-guan
- Blue-billed Curassow
- Djibouti Francolin
- Himalayan Quail
- Crested Shelduck
- Laysan Duck
- Campbell Islands Teal
- Pink-headed Duck
- Madagascar Pochard
- Brazilian Merganser Serra de Canasra, Brazil. 06-05-2003
- Waved Albatross pelagic from Paracus, Peru, 14-09-1998
- Amsterdam Albatross
- Tristan Albatross Nightingale Island,Tristan du Cunha 01-04-2003
- Chatham Albatross
- Galapagos Petrel Galapagos Islands, 15-07-2005
- Jamaica Petrel
- Magenta Petrel
- Chatham Petrel
- Fiji Petrel
- Beck's Petrel
- Mascarene Petrel
- Balearic Shearwater Spain, 20-12-2005
- Townsend's Shearwater
- New Zealand Storm-petrel
- Guadalupe Storm-petrel
- Alaotra Grebe
- Junin Grebe Lake Junin, Peru, 08-09-1998
- White-shouldered Ibis Nam Cat Tien, Vietnam 1997
- Giant Ibis Trapang Trap, Cambodia, 13-03-2002
- Northern Bald Ibis Birecik, Turkey15-06-1988
- Dwarf Olive Ibis
- White-bellied Heron
- Christmas Island Frigatebird Ko Pi Pi, Thailand, 1998
- Chatham Islands Shag
- California Condor
- White-collared Kite
- Cuban Kite
- Madagascar Fish-eagle Madagascar, 1995
- White-rumped Vulture India 1994
- Indian Vulture India 1994
- Slender-billed Vulture India 1994
- Red-headed Vulture India 1994
- Ridgway's Hawk
- Philippine Eagle Mt. Katinglad, Philippines 1999
- Bengal Florican Khom Pong Thom, Cambodia, 10-03-2002
- New Caledonian Rail
- Samoan Moorhen
- Makira Moorhen
- Siberian Crane
- Black Stilt
- Javan Lapwing
- Sociable Lapwing Leigh on Sea,Essex, UK
- St Helena Plover St Helena, 2003
- Eskimo Curlew
- Slender-billed Curlew Merga Zeirga, Morocco, 19-02-1992
- Spoon-billed Sandpiper Mai Po, Hong Kong 1993
- Jerdon's Courser
- Chinese Crested Tern
- Kittlitz's Murrelet
- Silvery Wood-pigeon
- Blue-eyed Ground-dove
- Purple-winged Ground-dove
- Grenada Dove
- Mindoro Bleeding-heart
- Negros Bleeding-heart
- Sulu Bleeding-heart
- Polynesian Ground-dove
- Negros Fruit-dove
- Kakapo
- Yellow-crested Cockatoo
- Philippine Cockatoo St. Pauls, Palawan, Philippines 2000
- Blue-fronted Lorikeet
- New Caledonian Lorikeet
- Red-throated Lorikeet
- Malherbe's Parakeet
- Orange-bellied Parrot
- Night Parrot
- Lear's Macaw
- Glaucous Macaw
- Spix's Macaw
- Blue-throated Macaw
- Yellow-eared Parrot
- Grey-breasted Parakeet
- Indigo-winged Parrot
- Puerto Rican Amazon
- Sumatran Ground-cuckoo Way Titias, Sumatra, 08-12-2007
- Black-hooded Coucal
- Siau Scops-owl
- Anjouan Scops-owl Anjouan, 03-11-1995
- Moheli Scops-owl
- Grand Comoro Scops-owl Mt. Karthala, Grand Comoro, 02-11-1995
- Pernambuco Pygmy-owl
- Forest Owlet Melghat, India, 28-12-2006
- Jamaican Pauraque
- Puerto Rican Nightjar
- New Caledonian Owlet-nightjar
- Short-crested Coquette
- Sapphire-bellied Hummingbird
- Honduran Emerald
- Chestnut-bellied Hummingbird
- Dusky Starfrontlet
- Juan Fernandez Firecrown
- Black-breasted Puffleg
- Turquoise-throated Puffleg
- Colourful Puffleg
- Tuamotu Kingfisher
- Sulu Hornbill
- Rufous-headed Hornbill
- Okinawa Woodpecker
- Kaempfer's Woodpecker
- Imperial Woodpecker
- Ivory-billed Woodpecker
- Araripe Manakin
- Kinglet Calyptura
- Minas Gerais Tyrannulet
- Kaempfer's Tody-tyrant
- Rio de Janeiro Antwren
- Alagoas Antwren
- Restinga Antwren Pria Seca, Brazil, 08-09-2003
- Stresemann's Bristlefront
- Bahia Tapaculo
- Royal Cinclodes Abra Malaga, Peru 2001
- Tachira Antpitta
- Masafuera Rayadito
- Alagoas Foliage-gleaner
- Uluguru Bush-shrike
- Bulo Burti Boubou
- Reunion Cuckooshrike Reunion 1995
- Sao Tome Fiscal
- Isabela Oriole
- Sangihe Shrike-thrush
- Caerulean Paradise-flycatcher
- Seychelles Paradise-flycatcher Seychelles, 1995
- Tahiti Monarch
- Fatuhiva Monarch
- Black-chinned Monarch
- Banggai Crow
- Mariana Crow
- White-eyed River-martin
- Archer's Lark
- Raso Lark
- Taita Apalis
- Long-billed Apalis
- Liberian Greenbul
- Millerbird
- Blue-crowned Laughingthrush
- Mauritius Olive White-eye Mauritius, 23-11-1995
- Rota Bridled White-eye
- Sangihe White-eye
- White-chested White-eye
- Faichuk White-eye
- Golden White-eye
- Niceforo's Wren
- Munchique Wood-wren
- Iquitos Gnatcatcher
- Socorro Mockingbird
- Floreana Mockingbird
- Cozumel Thrasher
- Pohnpei Starling
- Bali Starling Bali Barat, Indonesia, 24-12-2001
- Olomao
- Puaiohi Akali Swamp, Hawaii, 14-04-2004
- Taita Thrush
- Rueck's Blue-flycatcher
- Cebu Flowerpecker Cebu, Philippines, 1999
- Mauritius Fody Mauritius, 23-11-1995
- Sao Tome Grosbeak
- Azores Bullfinch
- Nihoa Finch
- Ou
- Maui Parrotbill
- Nukupuu
- Akikiki Akali Swamp, Hawaii, 14-04-2004
- Oahu Alauahio
- Akekee Akali Swamp,Hawaii, 14-04-2004
- Akohekohe Hosmer Grove, Maui, Hawaii, 19-04-2004
- Poo-uli
- Bachman's Warbler
- Belding's Yellowthroat
- Semper's Warbler
- Montserrat Oriole
- Gough Bunting Gough Island, 2003
- Hooded Seedeater
- Entre Rios Seedeater
- Carrizal Seedeater
- Mangrove Finch Galapagos Islands, 15-07-2005
- Pale-headed Brush-finch
- Cone-billed Tanager
- Cherry-throated Tanager Fazenda Pindobas IV, Brazil, 30-08-2003