Who's your daddy? Infidelity and paternity in reed warblers

Many species pair for life, or so the story goes. In reality, there is quite a bit of cheating going on. Both male and female partners may have "affairs" outside the pair bond. In such cases, how is a male to know if the ...

Monogamous birds... peeping on the neighbors!

(PhysOrg.com) -- It is well documented that male birds seduce females using their songs, colourful plumage and courtship dances. These signals reflect male genetic quality and will be graded by the female to determine a male's ...

Sexy sons thanks to mom

It is not the superior genes of the father, but the mother's resource investment in the eggs that makes Zebra Finch males particularly attractive. A Swiss-Australian research team lead by evolutionary ecologists at the University ...

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