News tagged with reproductive success

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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

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 3.7 / 5 (3) 0 | with audio podcast report