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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 ]
Eastern grass owl: Tyto longimembris (Jerdon, 1839) 17 Itombwe owl: Tyto prigoginei (Schouteden, 1952) 18 Oriental bay owl: Phodilus badius (Horsfield, 1821) 19 Sri Lanka bay owl: Phodilus assimilis Hume, 1877: 20 Papuan hawk-owl: Uroglaux dimorpha (Salvadori, 1874) 21 Laughing owl (X) Ninox albifacies (Gray, GR, 1844) 22 Rufous owl: Ninox rufa ...
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 .
The great grey owl (Strix nebulosa) (also great gray owl in American English) is a true owl, and 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.
Northern spotted owls are federally protected as a threatened species. Federal officials determined in 2020 that their continued decline merited an upgrade to the more critical designation of ...
The spotted owl (Strix occidentalis) is a species of true owl. It is a resident species of old-growth forests in western North America, where it nests in tree hollows, old bird of prey nests, or rock crevices. Nests can be between 12 and 60 metres (39 and 197 ft) high and usually contain two eggs (though some contain as many as four).
Several species recently lived wild in Pennsylvania, but are now extirpated (locally, but not globally, extinct). They are the marsh rice rat ( Oryzomys palustris ), eastern wolf ( Canis lycaon ), American marten ( Martes americana ), wolverine ( Gulo gulo ), cougar ( Puma concolor ), Canada lynx ( Lynx canadensis ), moose ( Alces alces ), and ...
The boxes need to be made according to the cavity requirements of the species — "Not all cavities in trees are created equal," Gillet said. Boxes for Eastern screech owls need to be much smaller ...