1. Eurasian subspecies of tundra swan; smaller than the whooper
   - Bewick's swan

Type of: Cygnus columbianus, tundra swan

• Cnidaria
• cnidarian
• Cnidoscolus
• Cnidoscolus urens
• Cnidosporidia
• CNN
• Cnossos
• Cnossus
• CNPZ
• CNS
• Cnut
• co-
• co-belligerent
• co-beneficiary
• co-discoverer
• co-ed
• co-host
• co-inhere
• co-occurrence
• co-occurrent
• Co-operative Republic of Guyana
• co-opt
• co-optation
• co-option
• co-relation