News tagged with male genitalia

Why guppies have genital claws

New research from evolutionary biologists at the University of Toronto shows that the male guppy grows claws on its genitals to make it more difficult for unreceptive females to get away during mating.

dateAug 02, 2013 in Plants & Animals
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Discerning males remain faithful

Discerning males remain faithful ... if you are a spider. Sex for male orb web spiders (Argiope bruennichi) is a two shot affair since the act of mating destroys their genitalia. If they survive being eaten ...

dateApr 24, 2012 in Plants & Animals
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