Laboratório de Tecnologia Educacional BIBLIOTECA DIGITAL               DE CIÊNCIAS

Physical appearance: 36 cm. The legs are short and yellow. The body is predominantly grey, darker in the back. The top of the head is black. The immature is striated and brownish. Distribution: American Continent, Africa, Asia, Australia and islands in the Pacific. Habitat: Rivers, lakes and mangroves of different sizes. Diet: Aquatic insects, mollusks, amphibians, reptiles and fish. Reproduction: The nest is a platform on the top of tall trees. Lays three eggs. Natural history: Solitary and migratory. There are saw-like structures inside the beak to help holding slippery food. May be eaten by carnivorous fish such as the trahiras (Hoplias sp.) when walking on flooded land....