越长，越好 —— 独角鲸求偶的秘密

WWF世界自然基金会

资料整理&编辑：捷西

排版：捷西

本文数据资料来源：

➤ Research Article The longer the better: evidence that narwhal tusks are sexually selected

➤ https://asunow.asu.edu/20200317-discoveries-narwhals-unicorn-seas-size-matters-sexual-selection

➤ https://www.worldwildlife.org/species/narwhal

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[2]Porsild MP. 1922 Scattered observations on narwhals. J. Mammal. 3, 8-13.

[3] Gerson HB, Hickie JP. 1985 Head scarring on male narwhals (Monodon monoceros): evidence for aggressive tusk use. Can. J. Zool. 63, 2083-2087. 

[4] Silverman HB, Dunbar MJ. 1980 Aggressive tusk use by the narwhal (Monodon monoceros L.). Nature 284, 57-58. 

[5] Hay KA. 1984 The life history of the narwhal (Monodon monoceros L.) in the eastern Canadian Arctic. Montreal, Canada: McGill University.