News tagged with dominant males
Ladyboy lizards use transvestite trickery: researchers
Mar 03, 2009 |
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Young male lizards in South Africa imitate females to fool aggressive older males into leaving them alone, in an example of transvestism in the natural world, researchers have found.
The groan says it all -- dominant male deer have the deepest calls
Biology /
Sep 08, 2008 |
3.7 / 5 (3) |
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(PhysOrg.com) -- The low timbre and enticing vibrations of a deep voice have long been considered a key element of male attractiveness. Now it seems that it's not just human females that appreciate a husky vocalisation.
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Females decide whether ambitious males float or flounder
Biology /
Jan 30, 2008 |
2.7 / 5 (3) |
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Aggression, testosterone and nepotism don’t necessarily help one climb the social ladder, but the support of a good female can, according to new research on the social habits of an unusual African species of fish.
Female monkeys more dominant in groups with relatively more males
Biology /
Jul 16, 2008 |
4.3 / 5 (3) |
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Female monkeys are more dominant when they live in groups with a higher percentage of males. This is caused by self-organisation. This surprising discovery was made by researchers at the University of Groningen. What makes ...
Piddling fish face off threat of competition
Biology /
Dec 12, 2007 |
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Research published today in the online open access journal, BMC Biology, shows that male tilapia fish use pheromones in their urine to fight off competitors and enforce social dominance.
Are female mountain goats sexually conflicted over size of mate?
Nov 17, 2009 |
4 / 5 (1) |
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Mountain goats are no exception to the general rule among mammals that larger males sire more and healthier offspring. But University of Alberta researcher David Coltman has found a genetic quirk that might make female mountain ...
Which came first, social dominance or big brains? Wasps may tell
Biology /
Mar 11, 2008 |
5 / 5 (5) |
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There’s new evidence supporting the idea that bigger brains are better. A study of a tropical wasp suggests that the brainpower required to be dominant drives brain capacity.
Spread your sperm the smart way
Jul 09, 2009 |
2.8 / 5 (4) |
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(PhysOrg.com) -- Attractive males release fewer sperm per mating to maximise their chances of producing offspring across a range of females, according to a new paper on the evolution of ejaculation strategies. The findings ...
Scientists reveal how mice recognise each other
Biology /
Nov 05, 2007 |
5 / 5 (1) |
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Scientists at the University of Liverpool have discovered that mice rely on a special set of proteins to recognise each other.
Mother knows best: Females control sperm storage to pick the best father
Sep 08, 2009 |
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(PhysOrg.com) -- Scientists have found new evidence to explain how female insects can influence the father of their offspring, even after mating with up to ten males. A team from the University of Exeter has ...
Honest lovers? Fallow buck groans reveal their status and size during the rut
Biology /
Sep 03, 2008 |
4.3 / 5 (4) |
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It is known that the phonic structure of calls produced by males during the breeding season may signal quality-related characteristics in many different types of animals. Previous research on mammals has mainly focussed on ...
Female Antarctic seals give cold shoulder to local males
Biology /
Feb 07, 2007 |
3 / 5 (2) |
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Female Antarctic fur seals will travel across a colony to actively seek males which are genetically diverse and unrelated, rather than mate with local dominant males.
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