Campaea margaritata 
Campion 
Campylotes histrionicus 
Canadian Agonopterix 
Canadian melanolophia 
Canadian owlet 
Canadian petrophila moth 
Canadian Sonium 
Canadian sphinx 
Canadian Tiger Swallowtail 
Canary blue 
Canary red admiral 
Canary Speckled Wood 
Canary ypsolopha moth 
Cangetta hartoghialis 
Cania bandura 
Cania striola 
Canodia difformis 
Canucha specularis 
Caper Gull 
Caper white 
Caprinia periusalis 
Capua intractana 
Capusa cuculloides