Friday, November 29, 2013

Preventing Bird Window Collisions

According to the U.S. Fish & Wildlife Service, up to 1 billion birds may be killed annually by colliding with windows. By knowing how to minimize these collisions, birders can protect their backyard birds without losing the benefits of windows from which to watch them.

Despite having exceptional sight, birds have a difficult time seeing glass. Instead, they see the reflection of the sky and plants in the glass, which they think indicates a safe area to fly, particularly if they are startled or threatened.

While a strong window collision can kill a bird on impact, many times birds are stunned and appear to recover and fly away. Unfortunately, these injured birds may later suffer internal hemorrhaging and brain swelling that leads to death. Stunned birds may also be less agile fliers and more disoriented, making them vulnerable to predators. To prevent these incidents, birders can take many easy steps to make their windows more visible – and avoidable.  Read the entire article.

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