For birds, drab is in fashion in our cities

Color has the power to affect our feelings and emotions. For many animals, color signals status or condition. Factors such as food quality, stress, and pollution can cause changes in animal coloration. The color of the background can also have significant effects on how animals perceive color. Cities introduce drab, grey buildings and pavement, pollutants, and reduced plant complexity. A recent study shows that city birds produce darker, duller feathers with less complex patterns. Click to find out how cities may be hindering the color and diversity of wildlife.

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