研究表明尼安德塔人的生活方式需要熟练的觅食技巧

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在您试图通过称呼某人为尼安德特人来侮辱他之前,请考虑一下:这些已灭绝的人科动物可能比通常描述的更像我们。事实上,近年来,越来越多的证据表明尼安德特人更加聪明。本月出版的《人类进化杂志》上描述的研究结果可能为这一观点增添分量。新的发现表明,在获取食物方面,这些古代欧洲人本可以在现代狩猎采集者中占有一席之地。

对尼安德特人骨骼的分析表明,与现代人类相比,他们非常活跃,这意味着他们有很高的能量需求。然而,一些学者认为,解剖学意义上的现代人之所以能够取代尼安德特人,部分原因是后者群体的觅食效率有限。为了解决这些相互矛盾的论断,西北大学的威廉·R·伦纳德和马克·V·索伦森首先决定确定尼安德特人的能量需求,他们使用了基于化石的体重估算和推断的活动水平,以及现存的非人类灵长类动物和人类狩猎采集者的觅食水平来指导他们的估算。接下来,他们估算了满足尼安德特人能量需求所需的觅食效率,并将这些效率与在现存人类觅食者中观察到的效率进行了比较。作者确定,活跃的尼安德特人生活方式“将需要与现代狩猎采集者相当的觅食回报率。”

伦纳德和索伦森写道:“尼安德特人群在与现代北极和亚北极生态系统相当的环境中持续存在数万年,这表明他们拥有有效的觅食机制,能够维持较高的代谢需求。” 因此,如果尼安德特人被解剖学意义上的现代人取代(而不是与他们混血或进化成他们),那并不是因为他们是低劣的觅食者。相反,作者认为,文化改良,如改进的衣物和住所,可能通过降低日常生存的代谢成本,使现代人在进化上占据优势,这可能使他们能够将更多能量分配给繁殖。

The article "Who Were the Neandertals?" by Kate Wong (大众科学, April 2000) is available for purchase at the 大众科学 Archive.

Kate Wong is an award-winning science writer and senior editor at 大众科学 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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