The gyrfalcon is twice the size of a peregrine falcon. A gyrfalcon seen off State Line Lookout in Alpine, Jan. 22, 2017. (Courtesy of GregGard.com) ( ) ...

The gyrfalcon is the world’s largest falcon, and one of the fastest: During long flights, it can surpass speeds of 80 miles per hour. Weighing more than three pounds, with a wingspan of four ...

As I walked through the leafless cottonwoods while looking for shed antlers, a large, white bird caught my eye. It was perched on top of a cottonwood snag and was ...