It becomes proficient in the air after only couple of days. At about the same time, young bird is ready to leave the nest for the first time. Harpy eagle reaches adult size 5 to 6 months after hatching. Male occasionally assists in the incubation, but his major duty is to provide food for the nest. Harpy eagles continually bring fresh green twigs to the nest to keep it clean from the parasites and insects.ДЇemale lays 1 or 2 white eggs that hatch after incubation of 55 days. One nest contains more than 300 branches. Both male and female participate in building of the nest that is usually 6 feet wide and one foot deep. Harpy eagles nest high in the trees, usually 130 feet above the ground. Pair of harpy eagles occupies territory of 20 square miles. They produce offspring once every two or three years. Harpy eagles mate for a lifetime and evenly share parental duties. Large prey, stashed in the trees, can be consumed couple of days in a row. Harpy eagle does not have to hunt every day.

It hunts and eats sloths, monkeys, baby deer, coatimundis, javelinas, agoutis, porcupines, armadillos, raccoons and parrots. Harpy eagle has keen eyesight and excellent sense of hearing that are used for detection of the prey. Harpy eagle is diurnal animal (active during the day). Harpy eagle has large, curved beak, strong legs and 3 to 4 inches long talons (longer than the claws of grizzly bears). Harpy eagle has wingspan of 69 to 88 inches and long tail that facilitate navigation and maneuvering through dense canopy. Harpy eagle has black backs, grey face and white belly. Harpy eagle can reach 34 to 42 inches in length and 8.8 to 20 pounds of weight. Harpy eagle is listed as near threatened which means that it can become endangered in the near future.

Habitat loss and intentional killing are major threats for the survival of harpy eagles in the wild. It prefers areas with tall trees that provide enough food. Harpy eagle inhabits lowland tropical rainforests and occasionally open forests.

It can be found in Central and South America. Harpy eagle is a raptor and one of the largest eagles on the planet.