Blankiston's Fish Owl
Bubo blakistoni

f4 @ 1/125s, ISO:1600, Nikon D300S w 300mm

"Blankiston's Fish Owl," Wikipedia, the free encyclopedia. Blakiston's Fish Owl, Bubo blakistoni, is a fish owl, a sub-group of eagle owls who specialized in hunting riparian areas.Blakiston's Fish Owl is possibly the largest species of owl. It measures 6072 cm (2428 in) in length, slightly less than the Great Gray Owl (Strix nebulosa), a species which nonetheless has a significantly lower body mass. The Eurasian Eagle-Owl (B. bubo) is sometimes considered the largest living owl, species although all data has indicated that the Blakiston's is on average heavier and larger in standard measurements. Blakiston's is noticeably larger than the other three extant species of fish owl. A field study of the species showed males weighing from 3.15 to 3.45 kg (6.9 to 7.6 lb), with the female, at up to 3.36 to 4.6 kg (7.4 to 10 lb), about 25% larger. Among standard measurements, the wing chord measures 44.756 cm (17.622 in), the tail measures 26.529 cm (10.411 in), the tarsus is 7.39.5 cm (2.93.7 in) and the culmen is around 7.1 cm (2.8 in).
Hokkaido, Japan