Gotta bounce: Some spiders catapult away after sex to avoid death
Sometimes there are pretty valid reasons for leaving right after sex.
Plants & Animals
Apr 30, 2022
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News tagged with sexual selection
The more feathers a male sparrow carries to the nest, the more eggs the female will lay
An international team lead by the University of Granada has found that female sparrows will invest more energy into laying eggs according to the male's ability to fill the nest with feathers which serve to insulate the chicks ...
Plants & Animals
May 7, 2013
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Competitive males are a blessing and a curse, study reveals
Showy ornaments used by the male of the species in competition for mates, such as the long tail of a peacock or shaggy mane of a lion, could indicate a species' risk of decline in a changing climate, according to a new study ...
Evolution
Nov 14, 2016
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13
The evolutionary consequences of infidelity: Can extra-pair relationships give rise to sexual dimorphism?
In the bird world, male and female blue tits are hard to distinguish for the human observer. However, in the UV-range, visible to birds, the male is much more colourful. A closer look at the monogamous mating system of these ...
Evolution
Apr 3, 2013
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Spider mite males undress maturing females to win the first mating
In males of many species, it pays to identify females that are nearing maturity to be the first in line for mating. Now researchers reporting in the journal iScience have found a remarkable example: male spider mites guard ...
Plants & Animals
Jul 7, 2023
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335
How rockstars and peacocks attract the ladies
What is it that makes rockstars so attractive to the opposite sex? Turns out Charles Darwin had it pegged hundreds of years ago – and it has a lot to do with peacocks.
Plants & Animals
Jul 21, 2014
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Humans struggle to identify snail shell shades, but technology reveals true colors
They're neither white and gold or black and blue. But in an optical puzzle akin to The Dress, colourful snails are causing scientists at the University of Nottingham to turn to technology to definitively decide whether some ...
Plants & Animals
Feb 25, 2019
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141
Biologists' work with 'glow-in-the-dark' sperm sheds light on sexual selection
Previously unobservable events occurring between insemination and fertilization are the subject of a groundbreaking new article in Science magazine (March 18) by Mollie Manier, John Belote and Scott Pitnick, professors of ...
Cell & Microbiology
Mar 18, 2010
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Guppies and sexual conflict? It's a genital arms race
(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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Immune system study could help conserve endangered species
(Phys.org) —A study by University of Georgia ecologists has found that diversity in mammal immune system genes may have more to do with the opportunity to choose a mate than with exposure to parasites.
Plants & Animals
Sep 16, 2013
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