Study of finches shows they form homosexual alliances

A new study by a team of researchers shows that for zebra finches, bonding trumps sex. Post-Doc fellow Julie Elie of the University of California and her team describe in the journal Behavioural Ecology and Sociobiology, ...

Coevolution not healthy for the female sea monkey

(PhysOrg.com) -- In a new study titled Male-Female Coevolution in the Wild: Evidence from a Time Series in Artemia Franciscana and published in Evolution, evolutionary ecologist Nicolas Rode from the Centre for Functional ...

Fish weight-watchers

(PhysOrg.com) -- Telling your partner to watch her weight is not recommended-unless you're a male cleaner fish, reports a new study in Proceedings of the Royal Society B.

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.

Are female mountain goats sexually conflicted over size of mate?

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 ...

Female birds 'jam' their mates' flirtatious songs

When a single female is nearby, female antbirds will sing over the songs of their male partners in an apparent attempt to keep their messages from getting through, according to a new report published online on March 12th ...

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