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This list of birds of Pennsylvania includes species documented in the U.S. state of Pennsylvania and accepted by the Pennsylvania Ornithological Records Committee (PORC). As of May 2021, there were 439 species on the official list. [ 1 ]
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).
In the case of the tail, the two outermost tail feathers are first shed, followed by the two central ones, the other tail feathers being shed the following year. [43] The male owl moults rather later in the year than the female, at a time when there is an abundance of food, the female has recommenced hunting, and the demands of the chicks are ...
Red owl: Tyto soumagnei (Grandidier, A, 1878) 10 Western barn owl: Tyto alba (Scopoli, 1769) 11 American barn owl: Tyto furcata (Temminck, 1827) 12 Eastern barn owl: Tyto javanica (Gmelin, JF, 1788) 13 Andaman masked owl: Tyto deroepstorffi (Hume, 1875) 14 Ashy-faced owl: Tyto glaucops (Kaup, 1852) 15 African grass owl: Tyto capensis (Smith, A ...
The great horned owl (Bubo virginianus), also known as the tiger owl (originally derived from early naturalists' description as the "winged tiger" or "tiger of the air") [3] or the hoot owl, [4] is a large owl native to the Americas. It is an extremely adaptable bird with a vast range and is the most widely distributed true owl in the Americas. [5]
The true owls or typical owls (family Strigidae) are one of the two generally accepted families of owls, the other being the barn owls and bay owls . This large family comprises 230 living or recently extinct species in 24 genera. The Strigidae owls have a cosmopolitan distribution and are found on every continent except Antarctica.
An owl is any one of some 200+ species of solitary, mostly nocturnal predatory birds. They are classified as order Strigiformes . Owls mostly hunt small mammals , insects, and other birds , though a few species specialize in hunting fish .
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.