乌燕鸥 Traditional form: 烏燕鷗 Pinyin (reading): wūyàn'ōu Definitions: (bird species of China) sooty tern (Onychoprion fuscatus) Characters: 乌 - crow, rook, raven; black, dark 燕 - lovebird, swallow 鸥 - seagull, tern; Larus species (various) Traditional characters: 烏 - crow, rook, raven; black, dark 燕 - lovebird, swallow 鷗 - seagull, tern; Larus species (various)