Human hair behind pigeons` lost toes, Paris study finds
(The Guardian France)

Research suggests density of hairdressers in an area - and resulting human hair - affects rate of lost toesFor a long time scientists thought the fact that pigeons in urban environments often lost their toes was due to some form of infection, or was a reaction to chemical pollutants.But now researchers in France believe they´ve stumbled upon the real culprit: human hair. Related: Home to roost: my life as a pigeon fancier Continue reading...