海獅跟著節拍搖擺,挑戰流行的節奏理論

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還記得靠舞技風靡網路的葵花鳳頭鸚鵡雪球嗎?現在,又有一種新的動物加入了跟上節拍的行列。認識一下羅南,這隻加州海獅會隨著《Boogie Wonderland》和其他曲子的節拍搖晃腦袋(見下方影片)。除了人類,很少有物種表現出節奏感,而最令人信服的例子都是鸚鵡及其親屬——這些動物都具有出色的聲音模仿能力。因此,科學家們推測,保持節拍與複雜的發聲學習能力有關。但是羅南挑戰了這一觀點,因為海獅不是聲音模仿者。加州大學聖克魯茲分校的研究生彼得·庫克和他的同事訓練羅南在簡單的節奏軌道上點頭,一旦她掌握了這項技能,她就能夠跟上不同節奏的新歌。“人類的音樂能力可能實際上與動物具有共同的基礎,”庫克說。“人們一直認為動物缺乏這些能力。在某些情況下,人們只是沒有觀察。”一篇詳細介紹羅南能力的報告本週將在《比較心理學雜誌》上發表。

Kate Wong is an award-winning science writer and senior editor at 大眾科學 focused on evolution, ecology, anthropology, archaeology, paleontology and animal behavior. She is fascinated by human origins, which she has covered for more than 25 years. Recently she has become obsessed with birds. Her reporting has taken her to caves in France and Croatia that Neandertals once called home, to the shores of Kenya's Lake Turkana in search of the oldest stone tools in the world, to Madagascar on an expedition to unearth ancient mammals and dinosaurs, to the icy waters of Antarctica, where humpback whales feast on krill, and on a "Big Day" race around the state of Connecticut to find as many bird species as possible in 24 hours. Kate is co-author, with Donald Johanson, of Lucy's Legacy: The Quest for Human Origins. She holds a bachelor of science degree in biological anthropology and zoology from the University of Michigan. Follow Wong on X (formerly Twitter) @katewong

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