Genital shape key to male flies' sexual success
Having genitals of a certain shape and size gives male flies a major reproductive advantage, new research shows.
Plants & Animals
Jan 15, 2021
0
201
News tagged with male genitals
Too much sex causes genitals to change shape, beetle study shows
Sexual conflict between males and females can lead to changes in the shape of their genitals, according to research on burying beetles by scientists at the University of Exeter.
Evolution
May 20, 2016
4
1033
Genital size doesn't matter—for fish
Big isn't always better when it comes to the size of male genitals.
Plants & Animals
May 18, 2016
0
42
Outdated assumptions make evolutionary researchers ignore female genitalia
(Phys.org) —Animal genitalia are structurally diverse organs that can evolve rapidly under powerful selective forces exerted by the peculiarities of sexual reproduction. An overarching review of the existing evolutionary ...
Evolution
May 7, 2014
1
1
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.
Plants & Animals
Aug 2, 2013
1
0
Male guppies ensure successful mating with genital claws
Some males will go to great lengths to pursue a female and take extreme measures to hold on once they find one that interests them, even if that affection is unrequited. New research from evolutionary biologists at the University ...
Plants & Animals
Jul 24, 2013
1
0
Shape, fit of reproductive organs evolve quickly and in concert, leaving size behind
Believed critical for determining which individuals can -- or cannot -- successfully reproduce with each other, genitalia not only figure prominently in the origin of new species, but are also typically the first type of ...
Plants & Animals
Dec 15, 2011
0
0
Amazon drops sale of circumcision kit in UK after complaint
The British arm of Amazon has dropped sale of a circumcision training kit from its website after concerns were raised.
Business
Dec 20, 2017
1
10
Genital stimulation opens door for cryptic female choice in tsetse flies
Manipulation of male and/or female genitalia results in a suite of changes in female reproductive behavior in tsetse flies, carriers of African sleeping sickness.
Plants & Animals
May 14, 2009
0
0
