Orka (Dutch)
Owens dwergpotvis (Dutch)
Ocean dolphins (English)
Otters (English)
Otters (English)
Orcelle (French)
Orque (French)
Orque pygmée (French)
Otarie antarctique (French)
Otarie d'Amérique du Sud (French)
Otarie d'Australie (French)
Otarie de Guadalupe (French)
Otarie de Juan Fernandez (French)
Otarie de Nouvelle-Zélande (French)
Otarie des Galapagos (French)
Otarie des Pribilofs (French)
Otarie du Cap (French)
Otarie subantarctique (French)
Ours blanc (French)
Orca (Spanish)
Orca falsa (Spanish)
Orca pigmea (Spanish)
Oso polar (Spanish)