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Changes in the immune system lead to success

The sequencing of the Atlantic cod genome in 2011 demonstrated that this species lacks a crucial part of its immune system. In a follow-up study, Kjetill S. Jakobsen and collaborators have investigated...

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Fish lose their unique personality when they go to 'school'

New research carried out by scientists at the University of Bristol has shown that despite individual animals having their own personality, this gets suppressed when they make decisions together in a...

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Oceanic crab found to change its mating habits based on refuge size

(Phys.org)—A pair of researchers has found that a type of oceanic crab (Planes minutus) alters its mating habits based on the relative size of its refuge. In their paper published in the journal...

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Video: Insect battles provide clues to evolution

The seemingly peaceful atmosphere in an organic garden on the University of Florida campus belies the battles happening among many of its tiniest inhabitants—the insects. For entomologist Christine...

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Mating season key as endangered turtles recover from mystery virus

For the Bellingen River Snapping Turtle, the mating season has never been so important. After a mystery virus wiped out the local population in record numbers last year, researchers from Western Sydney...

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Mate-guarding behaviour favours a familiar face

Okayama University researchers confirm the role of mate-guarding in males for blocking the female's visual familiarity with rival males to improve mating success in a medaka fish model.

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DNA influences selection of partners for educational achievement

A study co-led by the University of East Anglia (UEA) has found that people with genes for high educational achievement tend to marry, and have children with, people with similar DNA.

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Male Manogea porracea spiders found to care for young

(Phys.org)—A trio of Brazilian researchers has found that a species of spider, Manogea porracea, is unique in that the male plays a major role in web upkeep and protection of their young. In their...

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Bacteria produce aphrodisiac that sets off protozoan mating swarm

Researchers seeking the evolutionary roots of the animal kingdom have discovered a bacterium, Vibrio fischeri, that acts as an aphrodisiac by releasing an enzyme that sends the choanoflagellate,...

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First shark recorded to change from sexual to asexual reproduction

Leonie the leopard shark has made a switch that could save her species – becoming the first shark recorded to change from sexual to asexual reproduction.

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It takes two to tango: Beetles are equal partners in mating behavior

Beetles that copulate with the same mate as opposed to different partners will repeat the same behaviour, debunking previous suggestions that one sex exerts control over the other in copulation, new...

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Bashful Tokyo pandas mate after four-year hiatus

Two giant pandas at Tokyo's Ueno Zoo mated for the first time in four years Monday—a 52-second effort that boosted hopes for a baby as well as shares in a nearby Chinese restaurant.

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Fiddler crab found to use waving and drumming to demonstrate fitness to mate...

(Phys.org)—A trio of researchers with Anglia Ruskin University in the U.K. and the Australian National University has found that the male fiddler crab uses its oversized claw to get the attention of a...

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Roosters are nicer to their relatives than to other males

Male domestic fowl are less aggressive towards related males than to unrelated males when competing for copulations, according to a new study from Linköping University in Sweden. This finding, which...

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Sex obsession a killer for male snakes

An international team of scientists led by the University of Sydney has confirmed a frenzied approach to the mating season is resulting in males ageing faster and dying earlier and in worse condition...

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Mating success follows duet dancing in the Java sparrow

Java sparrows are more likely to mate after dancing together, according to a study from Hokkaido University, contradictory to the belief that songs are the primary sexual signal.

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Drosophila buzzatii fruit fly females may use courtship songs to pick...

Female Drosophila buzzatii cluster fruit flies may be drawn to the specific courtship songs of males of their own species, according to a study published May 3, 2017 in the open-access journal PLOS ONE...

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Frisky female fruit flies become more aggressive towards each other after sex

Frisky female fruit flies become more aggressive towards each other after sex.

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Long-term sexual intimidation may be widespread in primate societies

After observing the mating habits of chacma baboons living in the wild over a four-year period, researchers have found that males of the species often use long-term sexual intimidation to control their...

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Mating induces sexual inhibition in female jumping spiders

After mating for the first time, most females of an Australian jumping spider are unreceptive to courtship by other males, and this sexual inhibition is immediate and often lasts for the rest of their...

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Synthetic sex in yeast promises safer medicines for people

Our old friend Saccharomyces cerevisiae – the yeast that's helped people bake bread and brew beer for millennia – has just had its sex life upgraded.

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Researcher studies birds that break all the mating rules

What can the mating behavior of birds tell us about evolution, climate change and species survival? For Peter Dunn, UWM distinguished professor of biological sciences, bird-watching offers clues to...

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These ring-tailed lemurs raise a 'stink' when they flirt with potential mates

A U of T Scarborough study finds that a unique ritual performed by male ring-tailed lemurs may come at a significant physical cost, but it could help their chances in securing a mate.

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Male dolphins offer gifts to attract females

Researchers from The University of Western Australia have captured a rare sexual display: evidence of male humpback dolphins presenting females with large marine sponges in an apparent effort to mate.

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Theory of the evolution of sexes tested with algae

The varied sex lives of a type of green algae have enabled a University of Adelaide researcher to test a theory of why there are males and females.

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Study of whooping cranes reveals pairs bond even before reaching mating age

A team of researchers from the U.S. and Germany has found that many whooping cranes pair up even before they are old enough to mate. In their paper published in the journal Animal Behavior, the group...

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Wing structure vital in producing a range of tones in bush-cricket mating calls

The structure of the sound generators in the wings of male bush-crickets is critical for producing tonality within the long-range mating calls that attract distant females, a major new study has shown.

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Study on redback spiders finds seemingly abhorrent mating strategy appears to...

A mating strategy among redback spiders where males seek out immature females appears to benefit both sexes, a new University of Toronto study has found.

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Researchers reveal sexual prowess of older males not to be underestimated

Quality sperm, good genes, and courtship knowledge are just a few reasons why females might benefit from mating with older males.

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Silent singing crickets still going through the motions

A team of researchers with the University of St Andrews and the University of Cambridge, both in the U.K., has found that singing crickets in Hawaii have evolved to silence their singing apparatus but...

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