The amount of rotation is called the angle of rotation and is measured in degrees. By convention a rotation counter-clockwise is a positive angle, and clockwise is considered a negative angle. Rays from the point of rotation to any vertex all turn through the same angle as the image is rotated.
Bird With Largest Wingspan â Wandering Albatross. The âWandering Albatrossâ has been declared as the bird with largest wingspan among all the living birds. Its wingspan on average ranges from 8.2 to 11.5 feet (2.51 to 3.50 meter). Larger wingspans of about 13.8 and 17 feet have been reported but they were not verified. The largest wingspan bird Wandering Albatross ever recorded was about 11 feet and 11 inches.
The new species, Pelagornis sandersi, had an estimated wingspan of 20 to 24 feet when its feathers are included. This is up to more than twice as big as that of the royal albatross, the largest living flying bird, which has a wingspan of about 11.4 feet. [See Images of Giant Flying Species & Other Huge Birds]