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from the dept. Birds use colour to identify eggs of other birds and eject them from their nests, research suggests. Researchers from the UK, Czech Republic, and New Zealand, funded by the Human Frontier Science Program, have studied the habits of song thrushes in New Zealand and Europe and how they recognise their own eggs. The research has shown birds recognise small changes, particularly in the ultraviolet wavelengths, to distinguish between their own eggs and eggs of ‘parasite’ species, such as cuckoos. The research was published online this week in Biology Letters. For more information see http://publishing.royalsociety.org/index.cfm?page=1694 < Postdoctoral fellowship on peptides and social behaviour in zebrafish | Post-doc Fall 08, Fish Behavioral/Evolutionary Ecology >
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How do birds detect foreign eggs?
