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View Full Version : Globally threatened birds pay for their sex



admin
September 30th, 2007, 08:22 AM
A new study published in the leading ornithological journal Ibis has uncovered that for the vast majority of bird species, there are more males than females. The discovery suggests that populations of many of the world?s threatened birds could therefore be overestimated, because scientists often base population estimates on counts of males.


More... (/sbirdsnews/archives/2007/08/globally_threat.html)
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