Identifier: diseasesenemieso00pearrich (find matches)
Title: Diseases and enemies of poultry
Year: 1897 (1890s)
Authors: Pearson, Leonard, 1868-1909 Warren, Benjamin Harry, 1858-1926
Subjects: Poultry Diseases Mammals Birds
Publisher: (Harrisburg, Pa.) : C.M. Busch
Contributing Library: University of California Libraries
Digitizing Sponsor: Internet Archive

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orthern border of the United States. Straggler in Penn-sylvania. This owl, one of tlie largest, if not tlie largest inNorth America, is found in Pennsylvania onh as avery rare and irregular straggler in winter. Twentyor more years ago a specimen was captured in Chestercounty in midwinter by H. B. Graves. Dr. Isaiah F.Everhart, of Scranton, Pa., has a specimen in his col-lection which he found some years ago in the moun-tains in Lackawanna county. A specimen Avas alsotaken some years ago from a smoke stack of a steamboat at Erie city. I have also heard of two or threemore specimens of this s()ecies being taken in tliisState. ITS DIETARY. Froju i)ersOnal observation I know nothing of thehabits of this bird, never having seen one alive. Concerning this species Dr Fisher says: The foodseems to consist principally of hares, mice and otherof the smaller mammals as well as small birds;.Whelher it destroys many grouse or ptarmigans is notstated bv authors who arc most familiar with llie bird.
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GREAT GRAY OWL 237 l>r. W . JI. Dull took no less than thirteen skulls andother remains of red-poll linnets from the crop of asingle bird. * * * Dr. Dall considers it a stupidbird and slates that sometimes it may be caught inthe hands. Its great predilection for thick woods, inwhich it dwells doaibtless to the very limit of trees, pre-vents it from being an inhabitant of the barren groundsor other open country in the north. It is crepuscularor slightly nocturnal in the southern parts of its range,but in the high north it pursues its prey iu the day-time. In the latter region, where the sun never passesbelow the horizon in summer, it is undo-ubtedl)- neces-sity and not choice that prompts it to be abroad inthe daylight. It is stated that the flight is heavy and somewliatlabored, and has not the bouyancy noted in tliat ofmost of the owls. 238 ACADlAxX OWL.Nyctala acadica. DESCRIPTION. Small; wings long; tail short; upper parts reddish-brown,tinged with olive; head in front with fine

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