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Female pronghorns choose mate based on substance as well as show

vantage is due to faster growth rates," he said.

Byers also showed that these faster-growing fawns suckle less from their mothers than do the offspring sired by less-attractive males. He monitored the population for several years, and found the offspring of frequently chosen males continued to have a survival advantage for as long as five years.


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Source:National Science Foundation


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