Still Waters Posted July 29, 2014 #1 Share Posted July 29, 2014 The eggshells of wild birds may act like "sunblock", scientists have said. A range of UK birds' eggs showed adaptations in pigment concentration and thickness to allow the right amount of sun to reach the embryos inside. http://www.bbc.co.uk/nature/28492239 Link to comment Share on other sites More sharing options...
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