. A history of British birds . e time. Occasionally,and most often in the young, the feet are of a light blueor grey. According to Professor Schlegel, the kind of foodeaten by the birds makes a sensible difference in the tints ofthe plumage, the reddest being those which prey mostly onDucks, or other fat water-fowl. It is, however, a well-knownfact, that the greatest differences may often be seen inEyasses from the same nest, brought up under the sameconditions, and on the same diet. Mr. W. G. Johnstone, in a communication to the Natu-ralist for 1853, states that a pair of Peregrine Falcons,af
. A history of British birds . e time. Occasionally,and most often in the young, the feet are of a light blueor grey. According to Professor Schlegel, the kind of foodeaten by the birds makes a sensible difference in the tints ofthe plumage, the reddest being those which prey mostly onDucks, or other fat water-fowl. It is, however, a well-knownfact, that the greatest differences may often be seen inEyasses from the same nest, brought up under the sameconditions, and on the same diet. Mr. W. G. Johnstone, in a communication to the Natu-ralist for 1853, states that a pair of Peregrine Falcons,after having been kept in confinement for some years, not onlylaid two eggs, but continued to sit on them for twelve days,the male taking his share of duty. Being disturbed bystrangers, the process of incubation was interrupted ; butthere was every reason to believe that young would havebeen produced from the assiduity displayed by the parentbirds while they sat, and the fact that the eggs, on exami-nation, proved to be HOBBY. ACCIPITRES. 65 FA
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Keywords: ., bookauthorsaun, bookcentury1800, bookdecade1870, booksubjectbirds
