Identifier: diseasesenemieso00pe (find matches)
Title: Diseases and enemies of poultry
Year: 1897 (1890s)
Authors: Pearson, Leonard, 1868-1909 Warren, Benjamin Harry, 1858-
Subjects: Poultry Birds
Publisher: (Harrisburg, C.M. Busch, state printer
Contributing Library: Smithsonian Libraries
Digitizing Sponsor: Smithsonian Libraries

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n my first report, asgiven to mi! by Mr. Ladd, l)ut I have since learned fromMr. Ladd that he did not secure or even see the hawks,hence I am satisfied that this record was withoutdoubt based on erro^neous identiflcalion. Dr. C. H.Merriam, of United States Department of Agriculture,Washington, D, C, informs me that he is not aware ofa single authentic record of the breeding of the Roughlegged Hawk anywhere within the limits of the UnitedStates. SUBSISTS MAINLY ON FIEI^D .MICE. In the Rough-legged Hawk, we find another exam-ple of one of our larger fealheied mouse huntm-s, whichis often slandered by the name of hen-hawk. Since the Scalp Act was in force, and thoiusands ofthe most beneficial hawks were slain, this species hasbecome, T might say, almost a rare visitor to marshylands where in former years, T have found it frequentlyquite plentiful. The viscera of sixteen of these hawkswhich the writer has examined, contained only fieldmice and a few other small rodents. Thi^ fond hilil(\
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ROUGH LEGGED HAWK.(YOUNG) 193 gi\cii bj Dr. A. K. Fislier, of 49 stoiiiaclis. shows con-clusively that meadow mice constitute almost whollythe food of the species. Prof. Samuel Anghey foundthe lemaias of a gopher, a small lizard, and seventyinsects in the stomach of a Rough-leg killed in Ne-braska, in September, 1872; however, such food ma-terials according to most autliorilies, are seldom taken.Of the 49 stomachs referred to by Dr. Fisher, 40 contained mice, chiefly meadow mice; usually, 2 or ?> ineach stomach, sometimes 4 or 5, and in severalstomachs, each contained 6 or 7 of these little animals. DESTROYS ENEMIES OF THE ORCHARD. The Rough-leg is one of the most nocturnal of our hawks,and may be seen in the fading twilight watching from somelow perch, or beating with measured, noiseless flight over itshunting ground. It follows two very differt-nt mcHiods insecuring its food, one by sitting on some stub or low treeand ■w.i.tchlng thf ground for the appearance of its prey, asthi

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