....Wind farms are clusters of turbines as tall as 30-story buildings, with spinning rotors as wide as a passenger jet's wingspan. Though the blades appear to move slowly, they can reach speeds of up to 170 mph (273 kph) at the tips, creating tornado-like vortexes.
Flying eagles behave somewhat like drivers texting on cellphones; they don't look up. As they scan below for food, they don't notice the blades until it is too late.....