One of Australia's iconic lizard species is hiding a secret - female central bearded dragon embryos temporarily grow the lizard equivalent of a penis during development.
Evolution
Dec 5, 2017
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9
(Phys.org) —It's not always easy to tell if a fish is male or female: they look more or less the same. But there are exceptions, such as guppies and, as with humans, guppy genitalia varies in size across the species.
Plants & Animals
Jun 3, 2013
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0
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
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0
(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
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1
A team of researchers from Uppsala University, the University of Cincinnati and the University of Toronto has found that there are benefits for female seed beetles mating with males with extra-long spiny genitalia. In their ...
(Phys.org) —Biology researchers Nikolai Tatarnic and Gerasimos Cassis of the University of New South Wales and Macquarie University in Sydney, report in a paper they've had published in the journal The American Naturalist, ...
After more than 35 years of surveillance, Michigan State University researchers are exposing some of the secret workings of mobs. To be clear, these mobs are made up of spotted hyenas.
Plants & Animals
Dec 5, 2023
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45
UC researcher finds that when it comes to hooking up with the opposite sex, genital complexities do matter.
Plants & Animals
Jan 7, 2010
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The great diversity of male sexual traits, ranging from peacock's elaborate train to formidable genitalia of male seed beetles, is the result of female choice. But why do females choose among males? In a new study published ...
Plants & Animals
Oct 22, 2009
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(Phys.org)—A new multidisciplinary study on the enigmatic large Horseshoe bat – found widespread throughout South and East Africa – has revealed that instead of just one species as previously believed, the bat is in ...
Plants & Animals
Sep 14, 2012
1
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