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When Male Deer Mark Trees, Those Spots May Glow Like Neon Lights at Dusk and Dawn, Though Humans Usually Can't See Them
一项研究表明，在繁殖季节，白尾鹿可能会用眼睛和鼻子来寻找同类雄性留下的迹象，例如树上的额头分泌物和地上的尿液
