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The animal appearing on the cover of MySQL in a Nutshell is the pied kingfisher (Ceryle rudis). At 80 grams and 28 centimeters in length, the pied kingfisher is the largest bird in the world capable of a true hover in still air. Like most kingfishers, it hunts small fish from a perch or by hovering over open water. But unlike others, the pied kingfisher often travels up to three miles from land. While the closely related giant kingfisher relies heavily on shoreline perching places, the pied kingfisher can hover above choppy water and swallow its prey on the wing. For this adaptive skill, the pied kingfisher is consider the most advanced of the 87 kingfisher species.