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In humans and many other *******, males age faster and die earlier than females.
New research suggests this might happen because of intense competition over sex.
Scientists compared monogamous species with polygynous species, in which each male mates with many females. Males in monogamous species, such as the barnacle goose or the dwarf mongoose, naturally compete less over females than ones in polygynous species, such as the red-winged blackbird or the savannah baboon.
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New research suggests this might happen because of intense competition over sex.
Scientists compared monogamous species with polygynous species, in which each male mates with many females. Males in monogamous species, such as the barnacle goose or the dwarf mongoose, naturally compete less over females than ones in polygynous species, such as the red-winged blackbird or the savannah baboon.
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