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大羊驼养活了这里一半的生物
考古学家曾发现,印加帝国和安第斯文明的建立或许也要归功于大羊驼。2011年,一项发表于Antiquity的研究显示,大羊驼粪便是印加人的主要作物——玉米的重要肥料,这让印加人摆脱了不太可靠的狩猎和采集方式,开始拥抱农业。
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