BirdLife International Posted February 13, 2018 Share Posted February 13, 2018 For years, people assumed most birds were monogamous. This idyllic image was blown apart when research revealed lifestyles of polygamy, polyandry, marathon mating sessions and sperm competition. Welcome to the secret reproductive life of birds. Shocked? Blame it on natural selection. Read more: http://feedproxy.google.com/~r/BirdLife-news-posts-blogs/~3/lEpWDRzbL2c/uncovered-secret-sex-life-birds Link to comment Share on other sites More sharing options...
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