Why do Birds Fly Into Glass?

The 200,000 square feet of glass in the Minnesota Vikings’ $1 billion stadium has been deemed a “death trap” for birds by the Minnesota Audubon Society.
The society has called for glazed glass to be used in the project — at a cost of $1.1 million — to help avoid bird strikes.
The stadium will open in 2016 and will host the 2018 Super Bowl.
The Minnesota Sports Facilities Authority says it doesn’t have the budget to add the glazed glass, but will work with the society on other means to avoid bird strikes, including dimming stadium lights at night.
There are a number of reasons why birds collide with windows, especially those on tall, well-lit buildings in rainy or foggy weather at night.
Birds don’t understand the idea of reflection and attempt to fly into the landscape they see, according to the Audubon Society, and instead hit the glass.
Birds also fly into windows as they attempt to escape from predators.
At home, bird strikes can be avoided by using window decals or screens to reduce the effect of the reflection and by turning off lights near windows at night.
via Why Do Birds Fly Into Glass? : Discovery News.

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