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.
It is normal for swans to swim with one leg tucked onto their back. People are often concerned that the leg is broken or deformed but the swan is perfectly fine. Swans will often stretch one of their legs whilst swimming and instead of putting it in the water, they will tuck it up onto their back. It has been suggested that this behaviour may play a role in helping to regulate the body temperature of the bird.