News tagged with gouldian finch
Bird color variations speed up evolution: research
Researchers have found that bird species with multiple plumage colour forms within in the same population, evolve into new species faster than those with only one colour form, confirming a 60 year-old evolution ...
May 09, 2012 |
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Sons or daughters? Female finches use head colour to decide
(PhysOrg.com) -- Researchers studying the behaviour of the stunningly coloured Gouldian finch have made an exciting discovery - females of the species deliberately overproduce sons when breeding with a male ...
Mar 19, 2009 |
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Infidelity pays off for female Gouldian finches
(PhysOrg.com) -- Females in socially monogamous bird species such as finches often engage in sexual activities with birds outside the pair bond. This is known to benefit males if they produce more offspring, ...
Aug 23, 2010 |
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Gouldian Finch females maximize mating opportunities
The endangered Gouldian Finch (Erythrura gouldiae) has peculiar mating habits that allow the species’ females to maximise fertility.
Oct 25, 2011 |
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