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Solid Air: Invisible Killer Saving Billions of Birds From Windows–A Book Review

10,000 Birds

More than concerned, he is dismayed and alarmed and has been since January 1974, when he first witnessed a Mourning Dove fly into a window and fall to the ground dead on the Southern Illinois University campus. Dead birds are a part of the life of a birder, a feeder of birds, and of bird science.

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Some Chinese Pheasants

10,000 Birds

Apparently, you just collect the excrement of captive birds, weigh it and calculate back from there. Just don’t bring up the topic during a dinner with your in-laws. Examples: California. Connecticut. New Jersey. North Dakota. Rhode Island. South Dakota. Washington. How do you measure this, you may ask? It is easy.