. Michigan bird life : un elenco di tutte le specie di uccelli conosciute per verificarsi nello Stato insieme con un profilo della loro classificazione e un resoconto della storia della vita di ogni specie, con particolare riferimento al suo rapporto con l'agricoltura ... . dalla Grande Ofla con le sue dimensioni leggermente inferiori e l'assenza di arplioni; Anche dal becco giallo verdolino e marrone scuro e3^es.The unico altro gufo con cui potrebbe essere confonnato il Grande GreyOwl, che è decisamente più grande (anche se di circa lo stesso peso) e hasa occhio giallo invece di uno marrone. Distribuzione.-Stati Uniti orientali, ovest
1880 x 1329 px | 31,8 x 22,5 cm | 12,5 x 8,9 inches | 150dpi
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. Michigan bird life : a list of all the bird species known to occur in the State together with an outline of their classification and an account of the life history of each species, with special reference to its relation to agriculture ... . from the Great Horned Owl by its somewhat smaller size andabsence of ear-tufts; also by the greenish-yellow beak and dark brown e3^es.The only other owl with which it could be confounded it the Great GrayOwl, which is decidedly larger (although of about the same weight) and hasa yellow eye instead of a brown one. Distribution.—Eastern United States, west to Minnesota, Nebraska, Kansas and Texas, north to Nova Scotia and Quebec. Breeds throughoutits range. This is undoubtedly the commonest large owl in Michigan and the onemost often killed by sportsmen. It is a bird of the forest and is seldomseen outside of the woods, although often obliged to be contented with thefringe of large trees along a stream. Its range does not extend much farthernorth than Upper Michigan, and probably it is more abundant in thesouthern half of the state; but it has a decided preference for heavilywooded regions and has decreased rapidly wherever the country has beencleared up. ^^ .4r % /^E?», 11 , / / / i. PlatelXXV. Barred Owl. From irarbook of Department of Agricultiiro, 1S.){. Courtesy of Biological Survey. LAND BIRDS. 309 Mr. Purdy writes from Plymouth, Washtenaw county: Quite abundanthere a few years ago, but now quite rare and will soon become extinctunless there is some law to protect them. During my experience, of thepast 61 years, I have never known them to kill poultry, but a fool with agun will not allow one to exist if he can prevent it. It is recorded byWhite at Mackinac Island, and by Major Boies at Neebish Island, St.Marys River. In Marquette county O. B. Warren calls it uncommon, but it is resident there and breeds. Both Judge Steere and W. P. Melvillestate that at Sault Ste. Marie it is the most abundant species of owl. AtPetersburg,
