News tagged with reproductive success

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Sheep that shed light on personality differences

The team led by Denis Reale, a professor in the Department of Biological Sciences at UQAM and Canada Research Chair in Behavioural Ecology, recently completed a study showing the link between personality, survival and reproductive ...

Sep 15, 2009
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Infertility and the battle of the sexes

About 10% of all couples hoping for a baby have fertility problems. Environmentalists say pollution is to blame and psychiatrists point to our stressful lifestyles, but evolutionary biologist Dr. Oren Hasson of Tel Aviv University's ...

Sep 08, 2009
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Male seahorses like big mates

Male seahorses have a clear agenda when it comes to selecting a mating partner: to increase their reproductive success. By being choosy and preferring large females, they are likely to have more and bigger eggs, as well as ...

Jul 07, 2009
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Key to evolutionary fitness: Cut the calories

Charles Darwin and his contemporaries postulated that food consumption in birds and mammals was limited by resource levels, that is, animals would eat as much as they could while food was plentiful and produce as many offspring ...

Jul 01, 2009
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Personality influences reproductive success

A new study published in the Journal of Personality reveals that personality at adolescence predicts reproductive success later in life. The study findings showed that male and female teens with socially dominant personalities were m ...

Mar 25, 2009
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