. An illustrated manual of British birds . THP: GREENLAND FALCON. Falco candicans, J. F. Gmelin. Considerable difterence of opinion still exists respecting thespecific distinctness of the large Northern Falcons, for which somesystematists have adopted the genus Ilicrofalio; but Mr. JohnHancock was the first to show that in the ])resent species the pre-vailing ground-colour is wJiite at all ages, whereby the GreenlandFalcon may always be distinguished from the Iceland Falcon, orany other member of the group. For a long time all these memberswere included under the title of Gyr Falcon; it is the


. An illustrated manual of British birds . THP: GREENLAND FALCON. Falco candicans, J. F. Gmelin. Considerable difterence of opinion still exists respecting thespecific distinctness of the large Northern Falcons, for which somesystematists have adopted the genus Ilicrofalio; but Mr. JohnHancock was the first to show that in the ])resent species the pre-vailing ground-colour is wJiite at all ages, whereby the GreenlandFalcon may always be distinguished from the Iceland Falcon, orany other member of the group. For a long time all these memberswere included under the title of Gyr Falcon; it is thereforeimpossible to say how many of the earlier records refer to the trueGreenland Falcon ; while some of the birds respecting the specificidentity of which there can be no doubt, are suspected of havingescaped from establishments devoted to falconry. There is, however,ample evidence that wild examples of the Greenland Falcon have 332 GREENLAND FALCON. from time to time been taken in the British Islands, in winter;naturally, with greater


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