Conservation Question: How many birds are killed by collisions with communications towers?
Biologists with the U.S Fish & Wildlife Service conservatively estimate that 4 to 5 million birds are killed nationwide each year. There are about 74,000 communications towers in this country. Night-migrating birds crash into the towers and support wires on dark, foggy nights. Awareness of the problem has grown in recent years when flocks of up to 10,000 birds were found dead after a single night. Exactly why birds crash into the towers is unknown, but conservationalists speculate that they are attracted to the tower lights, which are used to warn aircraft.
Lights in tall buildings pose a similar problem. Night migrating birds seem to be attracted to the lights and fly around until they either crash or drop from exhaustion. Volunteers in Toronto, Canada help patrol city streets on mornings during the migrating season to look for surviving birds that may be revived with rest. Volunteers also founded the Fatal Light Awareness Program (FLAP) to help educate people on the need for reduced lighting on tall buildings.
References:
"Birds and Towers Don't Mix." Popular Science. August 2000. Page 40.
"Fatal Attraction." Bird Conservation. Issue 17. Pages 10-11.
"Making a Flap." Bird Conservation. Issue 17. Pages 10-11.
Also be sure to see these related pages:
More Bird Identification Guides
Hand-Feeding Birds
Awareness Books, CDs, Resources and Perspective
Jon Young Nature Awareness Resources
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