- Chestnut-backed Antshrike
- Chestnut-backed Thornbird
- Chestnut-breasted Coronet
- Chestnut-collared Swallow
- Chestnut-throated Seedeater
- Chiguanco Thrush
- Chilean Flamingo
- Chilean Mockingbird
- Chilean Skua
- Chiloe Wigeon
- Chimango Caracara
- Chucao Tapaculo
- Cinereous Finch
- Cinereous Ground Tyrant
- Cinereous Harrier
- Cinnamon Flycatcher
- Cinnamon Teal
- Citrine Warbler
- Cliff Flycatcher
- Coastal Miner
- Collared Antshrike
- Collared Flycatcher
- Collared Inca
- Collared Plover
- Common Chlorospingus (ophthalmicus)
- Common Cuckoo
- Common Kingfisher
- Common Miner
- Common Redstart
- Congo Pied Hornbill
- Cordilleran Canastero
- Correndera Pipit
- Crag Chilia
- Crane Hawk
- Cream-winged Cinclodes
- Crested Caracara
- Crested Duck
- Crested Quetzal
- Crimson-mantled Woodpecker
- Croaking Ground Dove