Sulphur-crested cockatoos are the first parrots known to have complex culture centred on food-gathering.

中文翻译：

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捡垃圾的鹦鹉从同谋那里吸取教训

硫冠凤头鹦鹉是已知的第一批拥有以食物采集为中心的复杂文化的鹦鹉。