Reddish male swallows have short sperm
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DOI: 10.1007/s10164-021-00726-x
Abstract: Sexual selection favors the evolution of pre-copulatory sexual traits such as ornamentation and post-copulatory sexual traits such as long sperm, but the interrelationships of the two types of sexual traits remain unclear. Here, using Japanese… read more here.
Keywords: short sperm; swallows short; sperm reddish; male swallows ... See more keywords