There are more than 9,000 different species of birds in the world! Birds Up Close introduces young readers to fascinating bird facts answering questions about the aerial abilities of birds, their magnificent plumage, and astounding hunting prowess. Spectular full-color photos feature intriguing birds that live in forests, deserts, grasslands, and on water. Detailed illustrations help explain the mechanics of flight in a simple, clear way.Vultures tend to overeat. Too heavy to fly after gorging on a dead carcass, they often have to throw up their meal if they need to flee an enemy quickly. Raptors introduces such birds of prey as eagles, owls, hawks, and vultures, describing: -- their methods of hunting -- their habitats -- their role within their ecosystem -- how endangered species are being helped through captive breeding and rehabilitation centers