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Biology
Quick fact
In species like the superb fairy-wren, females mate with up to eight males, yet the last male to mate often fathers most of the chicks—a pattern called last-male sperm precedence.
Why this is interesting
When a female bird mates with several males in a single breeding season, the real contest isn't in the trees—it's a microscopic battle royal inside her body. Who wins?
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Subjects · study & training · careers
Choose something you are considering. FACTREE will give you a clear picture of what it contains, how its main parts connect and where it could lead.
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