Con vẹt thông minh làm ngạc nhiên các nhà khoa học
N'kisi, con vẹt xám gốc Phi hiện đang cư trú tại New York được coi là tay sử dụng tiếng người "sành điệu" nhất trong thế giới loài vật.
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