- Canada Goose
- Cape Batis
- Cape Bulbul
- Cape Bunting
- Cape Canary
- Cape Cormorant
- Cape Crow
- Cape Gannet
- Cape Long-billed Lark
- Cape Penduline Tit
- Cape Robin-Chat
- Cape Shoveler
- Cape Siskin
- Cape Sparrow
- Cape Spurfowl
- Cape Starling
- Cape Sugarbird
- Cape Teal
- Cape Wagtail
- Cape Weaver
- Cape White-eye
- Capped Heron
- Capped Wheatear
- Cardinal Woodpecker
- Caspian Tern
- Cetti's Warbler
- Chabert Vanga
- Chaco Chachalaca
- Changeable Hawk-Eagle
- Channel-billed Toucan (ariel)
- Chat Flycatcher
- Chestnut-backed Antbird
- Chestnut-backed Sparrow-Lark
- Chestnut-banded Plover
- Chestnut-bellied Sandgrouse
- Chestnut-bellied Starling
- Chestnut-capped Blackbird
- Chestnut-vented Warbler
- Chestnut Wattle-eye
- Chinspot Batis
- Chirping Cisticola
- Chocolate-backed Kingfisher
- Chopi Blackbird
- Chubb's Cisticola
- Cinnamon-breasted Bunting
- Cinnamon-chested Bee-eater
- Clay-colored Thrush
- Cocoa Woodcreeper
- Collared Nightjar
- Collared Pratincole
- Collared Sunbird
- Common Black Hawk
- Common Blackbird
- Common Buzzard (vulpinus)
- Common Chiffchaff
- Common Crane
- Common Cuckoo
- Common Eider
- Common Goldeneye
- Common Grackle
- Common Grasshopper Warbler
- Common Greenshank
- Common Iora
- Common Jery
- Common Kestrel
- Common Kingfisher
- Common Merganser
- Common Moorhen
- Common Myna
- Common Newtonia
- Common Ostrich
- Common Pheasant
- Common Pochard
- Common Potoo
- Common Redshank
- Common Reed Warbler
- Common Ringed Plover
- Common Sandpiper
- Common Scimitarbill
- Common Shelduck
- Common Snipe
- Common Sunbird-Asity
- Common Tern
- Common Tody-Flycatcher
- Common Whitethroat
- Common Wood Pigeon
- Congo Pied Hornbill
- Coppersmith Barbet
- Coppery-headed Emerald
- Coppery-tailed Coucal
- Coquerel's Coua
- Cotton Pygmy Goose
- Crane Hawk
- Cream-colored Courser
- Creamy-bellied Thrush
- Crested Black Tyrant
- Crested Caracara
- Crested Caracara (cheriway)
- Crested Coua
- Crested Drongo
- Crested Francolin
- Crested Guan
- Crested Owl
- Crested Serpent Eagle
- Cricket Warbler
- Crimson-breasted Shrike
- Crossley's Vanga
- Crowned Cormorant
- Crowned Hornbill
- Crowned Lapwing
- Crowned Woodnymph
- Cuckoo-roller
- Curlew Sandpiper
- Cut-throat Finch