An international team of researchers has found that extra-pair paternity in pied flycatchers leads to cooperation between males and females in feeding and fending off threats. In their paper published in Proceedings of the ...
Female zebra finches are choosy but flexible when it comes to finding a mate, allowing them to avoid the fitness costs of being too selective when competition for males is high, report Wolfgang Forstmeier at the Max Planck ...
Plants & Animals
Nov 4, 2021
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Why are some animals committed to their mates and others are not? According to a new study led by researchers at The University of Texas at Austin that looked at 10 species of vertebrates, evolution used a kind of universal ...
Evolution
Jan 7, 2019
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303
Females of a socially monogamous passerine, the Japanese great tit (Parus minor), become more promiscuous after hatchings fail in the first breeding attempt—apparently attempting to ensure successful reproduction.
Plants & Animals
Oct 9, 2018
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A recurring theme in nature documentaries is that of choosy females selecting brightly colored males. A new study shows that, in monogamous mating systems, male birds may select their lifelong mates in much the same way.
Evolution
Sep 4, 2017
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Promiscuity mixes up the gene pool and dilutes genetic differences between populations, slowing down the evolution of new species, says new research by an international team led by the University of Bath's Milner Centre for ...
Evolution
Apr 10, 2017
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241
It seems there is trouble in paradise for a rare monogamous species of monkey, after a University of Derby biologist found committed couples are targeted by aggressive singles determined to break up a happy home.
Plants & Animals
May 7, 2013
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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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Breaking up is hard to do—and can be detrimental to one's reproductive fitness, according to a new University of Pennsylvania study.
Plants & Animals
Jan 23, 2013
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(Phys.org)—Coyotes living in cities don't ever stray from their mates, and stay with each other till death do them part, according to a new study.
Plants & Animals
Sep 25, 2012
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