Cormorants (Phalacrocoracidae) is a family of some 40 species of aquatic bird, which range around the world, except for the central Pacific islands. They are medium-to-large birds, with body weight in the range of 0.35-5kg and wing span of 45-100cm. The majority of species have dark feathers. The bill is long, thin and hooked. Their feet have webbing between all four toes. All species are fish-eaters, catching the prey by diving from the surface. They are excellent divers, and under water they propel themselves with their feet with help from their wings.
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