Its flocks were once so vast that they blocked out the sun. Within a few decades, they were extinct. How could that happen?

While the ivory-billed woodpecker has attracted a lot of attention in the 21st century due to reported sightings, it was not been the only Arkansas-dwelling bird that went extinct during the 20th ...

Life of the wanderer -- My blood shall be your blood : Indians and passenger pigeons -- A legacy of awe -- Pigeons as provisions to pigeons as products -- Means of destruction -- Profiles in killing - ...

1. Passenger pigeons have been extinct for more than 100 years. At one time, huge flocks of these birds darkened the sky as they moved around eastern North America. 2. Only six dusky seaside sparrows, ...