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The boreal owl is 22–27 cm (8.7–10.6 in) in length and has a wingspan of 50–62 cm (20–24 in). [9] A female is heavier than a male bird and weighs 131–179 g (4.6–6.3 oz) compared with an average of 107 g (3.8 oz) for a male bird. [10] The plumage is brown above, with white flecking on the shoulders and whitish underparts with rust ...
The genus name is Latin for a screech owl, the word came from the Ancient Greek aigōlios meaning "a bird of ill omen". In Greek mythology, Aegolius was originally a man whom Zeus transformed into an owl. Species. The genus contains five species: Boreal owl or Tengmalm's owl, Aegolius funereus; Northern saw-whet owl, Aegolius acadicus
The northern hawk-owl or northern hawk owl ( Surnia ulula) is a medium-sized true owl of the northern latitudes. It is non-migratory and usually stays within its breeding range, though it sometimes irrupts southward. It is one of the few owls that is neither nocturnal nor crepuscular, being active only during the day.
The long-eared owl ( Asio otus ), also known as the northern long-eared owl [3] or, more informally, as the lesser horned owl or cat owl, [4] is a medium-sized species of owl with an extensive breeding range. The scientific name is from Latin. The genus name Asio is a type of eared owl, and otus also refers to a small, eared owl. [5]
The northern saw-whet owl (Aegolius acadicus) is a species of small owl in the family Strigidae. The species is native to North America. Saw-whet owls of the genus Aegolius are some of the smallest owl species in North America. They can be found in dense thickets, often at eye level, although they can also be found some 20 ft (6.1 m) up.
The Eurasian eagle-owl (Bubo bubo) is a species of eagle-owl, a type of bird that resides in much of Eurasia. It is also called the Uhu and it is occasionally abbreviated to just the eagle-owl in Europe. It is one of the largest species of owl. Females can grow to a total length of 75 cm (30 in), with a wingspan of 188 cm (6 ft 2 in).
Forster, 1772. The great grey owl ( Strix nebulosa) (also great gray owl in American English) is an owl, which is the world's largest species of owl by length. It is distributed across the Northern Hemisphere, and it is the only species in the genus Strix found in both Eastern and Western Hemispheres.
These are birds that more than half of the North American populations nest in the boreal forest. Many of these birds need mature forests or isolated, non-populated wetlands that now have been largely cleared outside of the boreal forests. Hooded merganser. Trumpeter swan, Cygnus buccinator. American wigeon, Anas americana.