News tagged with reproductive success

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Ancient wild horses help unlock past

An international team of researchers has used ancient DNA to produce compelling evidence that the lack of genetic diversity in modern stallions is the result of the domestication process.

Aug 23, 2011
4 / 5 (4) 0 | with audio podcast

Playboy males live fast, die young

(PhysOrg.com) -- Promiscuous males are so intent on pursuing sexual partners that they can neglect even essential tasks such as eating, says a new study published in the Journal of Evolutionary Biology.

Sep 03, 2010
3.8 / 5 (4) 0

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
4.7 / 5 (3) 0

Do hens have friends? It seems not

(Phys.org)—A Royal Veterinary College study has found that hens reared in commercial conditions do not form friendships and are not particular about who they spend time with.

Jan 18, 2013
3 / 5 (4) 2

Honest deer every year

The vocalisations or 'groans' of male fallow deer provide rivals and potential mates with an honest account of the emitting animal's competitive abilities. A study, published in the open access journal BMC Biology, descri ...

Apr 09, 2010
3.7 / 5 (3) 1 | with audio podcast

Unattractive guppies have better sperm

(PhysOrg.com) -- Scientists studying tropical guppies have discovered that the less colorful and attractive males have better quality sperm, while the attractive fish invest in their appearance at the expense ...

Jun 07, 2010 report
3.7 / 5 (3) 0 | with audio podcast