The Attacks of the Goths on the Roman Empire. It is ironic that the most serious threats to the Roman Empire began not with the western Germanic tribes of the Roman frontier but the eastern Germanic tribes, particularly the Goths.
In a large, shallow body of water, hundreds of flamingos congregate like an avian water ballet team: all preening their pink feathers, resting in the sun and standing on one leg for hours at a time. Flamingos even sleep that way. Bird Image Gallery.
If we had lived 3 million years ago, our holiday beach visits would not have been so pleasant. North American ocean fronts were home to Pelagornis sandersi, the largest known marine bird. It had a wingspan of up to 24 feet. For comparison, imagine the length of four humans head-to-toe, or the height of a two-story building.