The Spokesman-Review: Those birds will be flying between 1,000 and 2,200 feet in the air, said Kyle Horton, a professor at Colorado State University who runs the Aeroeco Lab.
linkThe Spokesman-Review: Those birds will be flying between 1,000 and 2,200 feet in the air, said Kyle Horton, a professor at Colorado State University who runs the Aeroeco Lab.
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