Basic bird articles (10 articles)

1. Bird ( Level 3)
2. Seabird
3. Bird of prey
4. Palaeognathae
5. Archaeopteryx
6. Flamingo
7. Hummingbird
8. Loon
9. Penguin
10. Tinamou

Accipitriformes and Falconiformes (9 articles)

1. Accipiter
2. Eagle
   1. Golden eagle
3. Falcon
   1. Peregrine falcon
4. New World vulture
5. Old World vulture
6. Osprey
7. Secretarybird

Anseriformes (5 articles)

1. Anatidae
2. Duck
   1. Mallard
3. Goose
4. Swan

Apodiformes (1 article)

1. Swift

Caprimulgiformes (2 articles)

1. Caprimulgiformes
2. Nightjar

Charadriiformes (5 articles)

1. Charadriiformes
2. Auk
3. Gull
4. Sandpiper
5. Tern

Ciconiiformes (4 articles)

1. Heron
2. Ibis
3. Shoebill
4. Stork

Columbiformes (4 articles)

1. Columbidae
   1. Dodo
   2. Passenger pigeon
   3. Rock dove

Coraciiformes (3 articles)

1. River kingfishers
2. Hornbill
3. Hoopoe

Cuculiformes (3 articles)

1. Cuckoo
2. Hoatzin
3. Turaco

Galliformes (8 articles)

1. Galliformes
2. Chicken
3. Grouse
4. Guineafowl
5. Peafowl
6. Common pheasant
7. Common quail
8. Domestic turkey

Gruiformes (4 articles)

1. Gruiformes
2. Crane (bird)
3. Bustard
4. Rail

Passerines (40 articles)

1. Passerine
2. Songbird

Corvoidea (8 articles)

1. Bird-of-paradise
2. Corvidae
   1. Corvus
      1. Common raven
   2. Eurasian magpie
3. Honeyeater
4. Lyrebird
5. Shrike

Passerida (25 articles)

1. Bulbul
2. Cardinal
3. Emberizidae
4. Estrildid finch
5. Finch
6. Icterid
7. Lark
8. Mockingbird
9. New World warbler
10. Old World flycatcher
    1. European robin
    2. Common nightingale
11. Ploceidae
12. Sparrow
    1. House sparrow
13. Starling
    1. Common myna
    2. Common starling
14. Sunbird
15. Swallow
16. Tanager
17. Tit
18. Thrush
    1. American robin
19. Wren

Tyranni (4 articles)

1. Tyranni
2. Antbird
3. Ovenbird (family)
4. Tyrant flycatcher

Pelecaniformes (5 articles)

1. Cormorant
2. Darter
3. Frigatebird
4. Pelican
5. Sulidae

Piciformes (4 articles)

1. Piciformes
2. Honeyguide
3. Toucan
4. Woodpecker

Procellariiformes (3 articles)

1. Procellariiformes
2. Albatross
3. Procellariidae

Psittaciformes (6 articles)

1. Parrot
2. Ara
3. Budgerigar
4. Cockatoo
5. New Zealand parrot
6. Lories and lorikeets

Ratites (6 articles)

1. Cassowary
2. Emu
3. Kiwi
4. Moa
5. Common ostrich
6. Rhea

Strigiformes (3 articles)

1. Owl
   1. Eurasian eagle-owl
   2. Barn owl

Trogoniformes (2 articles)

1. Trogon
2. Resplendent quetzal