Life Sciences Commons^™

Avian Hotspots, Daniel Johnson, Danielle Johnson

Biology Posters

Bird Window Collisions

• Result in an estimated 365-988 million bird fatalities each year in the U.S. (Loss)
• Occur because birds are unable to perceive glass panels
  • Reflections in glass are seen as unobstructed paths
• Often result in broken beaks, necks, and internal hemorrhaging
  • Fatalities are a typical outcome
• Psychological distress to onlookers
  • Unpleasant mess on the glass and ground