Competition For Mates Gives Male Mice Bigger Genitals

Men trying to look good for the ladies might pump iron, but when male mice are regularly exposed to male rivals, it results in thicker penis bones, potentially because wider girth might prove more desirable to females, a new study finds. The intense rivalry between males over females has helped drive the evolution of many extraordinary male traits, from peacock plumes to the gigantic antlers of the extinct Irish elk. Evolutionary biologist Gonçalo Igreja André at the University of Western

Competition For Mates Gives Male Mice Bigger Genitals

Men trying to look good for the ladies might pump iron, but when male mice are regularly exposed to male rivals, it results in thicker penis bones, potentially because wider girth might prove ...

Wed 11 Jul 18 from Discover Magazine

Study finds shape not size matters in male mice

Male mice exposed to other male competitors have thicker penis bones according to a new study by researchers at The University of Western Australia, published today in Proceedings of the Royal ...

Wed 11 Jul 18 from Phys.org

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