Pollution May Affect the Color of City Birds, Research Shows

Recent studies show that certain feather pigments can help neutralize toxic pollution. It means darker, duller birds could have a survival advantage. Recent studies show that certain feather pigments can help neutralize toxic pollution. It means darker, duller birds could have a survival advantage. Birds, Feathers, Anatomy and Physiology, Urban Areas, Pollution, Lead, Hazardous and Toxic Substances, Research NYT > Science