News tagged with males and females

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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.

Aug 02, 2013 4.7 / 5 (3) 1 | with audio podcast

Reversal of the black widow myth

The Black Widow spider gets its name from the popular belief that female spiders eat their male suitors after mating. However, a new study has shown that the tendency to consume a potential mate is also true of some types ...

May 06, 2013 3.3 / 5 (4) 2