The World Record of ‘largest eagle’ has been achieved by Pithecophaga jefferyi from Philippines.

The Philippine eagle (Pithecophaga jefferyi) also known as the monkey-eating eagle or great Philippine eagle, is an eagle of the family Accipitridae endemic to forests in the Philippines. It has brown and white-coloured plumage, and a shaggy crest, and generally measures 86 to 102 cm (2.82 to 3.35 ft) in length and weigh 4.7 to 8.0 kilograms (10.4 to 17.6 lb). It is the largest of the extant eagles in the world in terms of length and wing surface.