英语听力：自然百科 大迁徙之繁衍生息 Need to Breed—4

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On another stretch of beach, the shoreline quakes with desperate battles to dominate. The stakes are unimaginably high. Only a privileged few elephant seal bulls will become beachmasters, controlling harems of dozens of females and reproducing abundantly. This is no place for a young male to stick his nose in. 

Usually trumpeted¹ warnings make challengers back off, but not all.

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