Eagles are monogamous. They mate for life and use the same nest each year. They tend.... eagl eagles,

The , named after the foul, malign creatures (part woman and part bird) of Greek mythology, are large, powerful, crested eagles of the s of South America and the South Pacific. The New Guinea harpy eagle ( Harpyopsis novaeguineae ) is about 75 cm (30 inches) long. It is about 90 cm (35 inches) long, brown above and white below, with a crest of long, narrow feathers. The harrier eagles, six species of Circaetus (subfamily Circaetinae, serpent eagles), of Europe, Asia, and Africa, are about 60 cm (24 inches) long and have short unfeathered legs. The hawk eagles (genera Spizastur , Spizaetus , Lophaetus , and Hieraaetus , subfamily Accipitrinae) are lightly built eagles that have fully feathered legs and large beaks and feet. Bonelli's eagle ( Hieraaetus fasciatus ), of Mediterranean areas and parts of southern Asia, is about 60 cm (24 inches) long, is dark above and light below, has a broad tailband, and usually shows a white patch on the back. The sea eagles (sometimes called! fish, or fishing, eagles, Haliaeetus species), of which one of the best known is the ( H. Asian species include the gray-headed, or greater, fishing eagle ( Ichthyophaga ichthyaetus ) and the lesser fishing eagle ( I. The serpent eagles, or snake eagles, Spilornis (six species, subfamily Circaetinae), eat mostly snakes, including large poisonous ones. Other birds called serpent eagles, notably the long-tailed members of the genera Dryotriorchis (e.g., African serpent eagle) and Eutriorchis (e.g., the endangered Madagascar serpent eagle), occur in Africa.