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The largest owls are two similarly sized eagle owls; the Eurasian eagle-owl (Bubo bubo) and Blakiston's fish owl (Bubo blakistoni). The largest females of these species are 71 cm (28 in) long, have a 190 cm (75 in) wing span, and weigh 4.2 kg ( 9 + 1 ⁄ 4 lb).
The barred owl (Strix varia), also known as the northern barred owl, striped owl or, more informally, hoot owl or eight-hooter owl, is a North American large species of owl. A member of the true owl family, Strigidae, they belong to the genus Strix , which is also the origin of the family's name under Linnaean taxonomy .
Close-up of a Caligo wing. The underwing pattern is highly cryptic.It is conceivable that the eye pattern is a generalized form of mimicry.It is known that many small animals hesitate to go near patterns resembling eyes with a light-colored iris and a large pupil, which matches the appearance of the eyes of many predators that hunt by sight.
Great horned owl (Bubo virginianus) Hairy woodpecker (Picoides villosus) Horned lark (Eremophila alpestris) Killdeer (Charadrius vociferus) Lark sparrow (Chondestes grammacus) Loggerhead shrike (Lanius ludovicianus) Long-billed curlew (Numenius americanus) Mallard (Anas platyrhynchos) Merganser (Mergus serrator) Mourning dove (Zenaida macroura)
Image credits: soosseli The Finnish photographer also shared more about a significant experience he had while photographing wildlife: “My most memorable moment in nature happened last spring ...
Like almost all scops and screech owls today, their common ancestor was in all probability already a small owl, with ear tufts and at least the upper tarsus ("leg") feathered. However that may be, the hypothesis that the group evolved from Old World stock [6] is tentatively supported by cytochrome b sequence data.
Strigiformes (owls), as a whole, are well-known for flying silently, and without overly flapping their wings; this ensures their prey does not escape, as they cannot hear or suspect a predator approaching from above. As soon as a choice prey animal is spotted by the pueo, the owl intently glides-over and lands directly on top of it, killing it ...
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