Cinereous Vulture 
Cinnamon Anemonefish 
Cinnamon attila 
Cinnamon becard 
Cinnamon bracken warbler 
Cinnamon flycatcher 
Cinnamon frog 
Cinnamon ground dove 
Cinnamon hummingbird 
Cinnamon roller 
Cinnamon screech owl 
Cinnamon teal 
Cinnamon woodpecker 
Cinnamon-breasted bunting 
Cinnamon-breasted tody-tyrant 
Cinnamon-chested bee-eater 
Cinnamon-faced tyrannulet 
Cinnamon-rumped foliage-gleaner 
Cinnamon-rumped seedeater 
Cinnamon-throated Hermit 
Cinnamon-throated woodcreeper 
Cirl bunting 
Cirrhilabrus ryukyuensis 
Cirripectes chelomatus