“The numbers are so great the sky itself begins to darken” - Extinct Bird - Passenger Pigeon The most abundant bird in the entire world Passenger pigeons were the victims of hunters from barely one hundred years. For millennia, the sleek long-distance flyer was the most abundant bird in North America and perhaps the world. Then, in a matter of decades, humans slaughtered them all to completely extinction. The common name of passenger pigeons comes from the French term p igeon de passage , which means passing by , referring to massive migrations of them across the firmament. It had a typical high-speed wings, which allows them to be one of the fastest-flying bird. “The numbers are so great the sky itself begins to darken” A flock of passenger pigeons reported in Ontario was described as being a mile wide and 300 miles long. That incredible flock was taking almost 14 hours to pass overhead. From billion to none Pig...