It was earlier treated as a subspecies of the Eurasian eagle-owl.It is usually seen in pairs. Physical characteristics specific to this species of owl include tufted "ears" of feathers, orange eyes, dense bodies, and black beaks, as well as barred wings and tails. It will feed on any small creatures it can find including mammals, birds, snakes, lizards, beetles and scorpions. The Eurasian Eagle Owl is a very large, heavy owl with prominent ear-tufts, and powerful feathered talons. They are light grey in colour, finely bared blackish above and below but no heavy blotching. Weight about 1900-2300g. Incorrectly, the Eagle owl is frequently described as the largest of owls, however in terms of length, that particular honor belongs to the Great Grey and the Blackiston's Fish Owl is arguably heavier. Females are larger and heavier than males. Weight 1550-4200g. Habits: The Pharaoh Eagle Owl becomes active after sunset. The Pharaoh eagle-owl is nocturnal and emerges at dusk to hunt over an area of about 5 km 2 (2 sq mi). Roosts by day between rocks, either on the … As the biggest of all the Owls the Eagle owl is easily recognised by its huge size and wingspan. Tail length 160-233mm. Eurasian Eagle Owl ~ Bubo bubo Introduction. Wing length 324-430mm. The Giant Eagle Owl is the largest owl in the world. According to the IUCN Red List, the total Eurasian eagle-owl population size is around 100,000-499,999 mature individuals. The Eurasian eagle-owl usually weighs somewhere between two-and-a-half and ten pounds, with the males being slightly smaller in size and stature than their female counterparts. Size: Length 58-71cm. Females are heavier than males. The Indian eagle-owl (Bubo bengalensis), also called the rock eagle-owl or Bengal eagle-owl, is a large horned owl species native to hilly and rocky scrub forests in the Indian Subcontinent.It is splashed with brown and grey, and has a white throat patch with black small stripes. It perches on an eminence and watches and listens so as to detect moving prey before swooping down on its victim. Eurasian eagle-owls also suffer from human persecution and poisoning, widespread urbanization, as well as collisions with vehicles and wires. Size: Length 45-50cm. Tail length 231-310mm. Population number. Wing length 405-515mm. The Eurasian Eagle Owl, or European Eagle owl as it is more commonly known, is one of the largest of owl species.