Pigeons Lose Toes

For a long time scientists thought the fact that pigeons in urban environments often lost their toes was due to some form of infection, or chemical pollutants.But now researchers in France believe they've stumbled upon the real culprit: human hair.

For a long time scientists thought the fact that pigeons in urban environments often lost their toes was due to some form of infection, or chemical pollutants.But now researchers in France believe they've stumbled upon the real culprit: human hair.