...The Razor-billed Auk is in form similar to the Murres, but the bill is verydifferent, being deep and thin, and with the upper mandible rounded at thetip... 
Chester A. Reed 「The Bird Book」
...The exterminationof the great auk in Europeanwaters was somewhat similar...
Frederic A. Lucas 「Animals of the Past」
...The supposed decimation of the Moas by severewinters has been already discussed, and theextermination of the great auk in Europeanwaters was indirectly due to natural causes...
Frederic A. Lucas 「Animals of the Past」
...613(Catamarca); Barrows, Auk, 1884, p...
P. L. Sclater 「Argentine Ornithology, Volume I (of 2)」
...183 (BuenosAyres); Barrows, Auk, 1884, p...
P. L. Sclater 「Argentine Ornithology, Volume I (of 2)」
...asiatica but "slightly larger, with a much longer bill and muchpaler coloration" (Mearns, Auk...
Frank M. Chapman 「Color Key to North American Birds」
...The Auk, XV, pp...
Frank M. Chapman 「Color Key to North American Birds」
...The Auk, XX, pp...
Frank M. Chapman 「Color Key to North American Birds」
...The Auk, XXIX, pp...
Frank M. Chapman 「Color Key to North American Birds」
...244, 245; Auk, I, 1884, p...
Frank M. Chapman 「Color Key to North American Birds」
...The Auk, XXVII, pp...
Frank M. Chapman 「Color Key to North American Birds」
...(See also Auk, XXV,1908, pp...
Frank M. Chapman 「Color Key to North American Birds」
..., Auk, XXIII, 1906, pp...
Frank M. Chapman 「Color Key to North American Birds」
...The Auk,XVIII, pp...
Frank M. Chapman 「Color Key to North American Birds」
...(See alsoMaxon, Auk, XX, p...
Frank M. Chapman 「Color Key to North American Birds」
...(See also Auk, 1909, pp...
Frank M. Chapman 「Color Key to North American Birds」
...Observations on Some of the Summer Birds of theMountain Portions of Pickens County, Auk, VII, pp...
Frank M. Chapman 「Color Key to North American Birds」
...Also Auk, XIII, 1896, p...
Frank M. Chapman 「Color Key to North American Birds」
...The Auk,XVII, pp...
Frank M. Chapman 「Color Key to North American Birds」
...A List of the Land Birds of Seattle, Washington and VicinityThe Auk, XIX, pp...
Frank M. Chapman 「Color Key to North American Birds」
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