Today’s largest living flying bird is the royal albatross, which has a wingspan of about 11.4 feet. Weight to 14 pounds. The largest birds lived around 25 million years ago, according to fossil evidence. To get us in the Halloween mood, we"re offering a seldom-seen sight—the Blakiston"s fish owl. Licensed under CC BY 2.0 via Commons 6. Considered the largest of all living owls—about the size of a fire hydrant with a 6-foot wingspan—it"s among the rarest of owls, too. Owls Several Owls vie for the top spot as the world's largest owl. “The largest owl in the world”, he said, adding “with a wingspan of 1.70 definitely makes you respect it … All these years 4-5 owls have come into my hands. Photo originally posted to Flickr as Kenyan Raptor !. As for the previous world’s largest flying bird, the Argentavis—a distant relative of today’s Andean condor—was estimated to have a 23 foot wingspan. Verreaux's eagle-owl (Bubo lacteus), also commonly known as the milky eagle owl or giant eagle owl, is a member of the family Strigidae.This species is widespread in sub-Saharan Africa.A member of the genus Bubo, it is the largest African owl, measuring up to 66 cm (26 in) in total length.This eagle-owl is a resident primarily of dry, wooded savanna. It is found in open and semi-open areas. They are the largest flying bird in North America and feed on carrion. That’s a baby compared to P. sandersi. It is sometimes titled the world's largest owl, but so is the Blakiston's Fish Owl, which is slightly bigger on average. This large eagle is found in sub-Saharan Africa. [2][3] The Eagle Owl has a wingspan of up to 138-200 cm (55-79 in) and measures 58-75 cm (23-30 in) long. Feeds on other large birds, mammals and reptiles. "Pelagornis sandersi is the largest flying bird on record by wingspan," explains Michael Habib of … The Eagle Owl is a large and powerful bird, smaller than the Golden Eagle but larger than the Snowy Owl. Wingspan: Can exceed 8 feet. Wingspan: 9.1 feet (2.8 meters) The California condor is one of the rarest birds in the world. The number of California condors was reduced dramatically by poisoning, both intentionally by farmers and unintentionally by the use of lead shot to hunt animals. The longest great gray owl was 120 mm (4.7 in) longer than the biggest Blakiston's fish owl but would be about 2.5 times lighter than the weight of the largest female Blakiston's.