...--Southwest coast of Alaska, migrating toJapan in the winter... 
Chester A. Reed 「The Bird Book」
...A rather retiring, unwary Hawk which nests in thickwoods and is less often seen in the open than the Red-shoulder,but, when migrating, hundreds pass high in theair, with other Hawks...
Frank M. Chapman 「What Bird is That?」
...The White-throat is abundant, migrating and winteringin companies which frequent bushy places, hedgerowsand undergrowth generally...
Frank M. Chapman 「What Bird is That?」
...I have neverheard its song while migrating...
Frank M. Chapman 「What Bird is That?」
...When migrating, this little-known species associates withother bird travelers and may be found high or low...
Frank M. Chapman 「What Bird is That?」
...Not only dothey make extended journeys, when migrating, without a rest, but theyattain a speed which is surpassed by but few birds...
Frank M. Chapman 「Color Key to North American Birds」
...—"Northern parts of northern hemisphere, breeding in theArctic regions and migrating south in winter; in the United Statessouth to the Middle States...
Frank M. Chapman 「Color Key to North American Birds」
...—"Western North America, breeding in Alaska to the Arcticcoast, migrating south in winter through western United States (includingMississippi Valley) to Mexico, and less commonly along Atlanticcoast...
Frank M. Chapman 「Color Key to North American Birds」
...—Costa Rica migrating north to southern Texas, New Mexicoand Arizona...
Frank M. Chapman 「Color Key to North American Birds」
...Song, when migrating, resemblesthat of Parula Warbler, (Brewster); whenbreeding, that of Worm-eating Warbler, Junco or Chippy...
Frank M. Chapman 「Color Key to North American Birds」
...Like most birds they travelby night when migrating...
Douglas Dewar 「A Bird Calendar for Northern India」
...While migrating it flies very high,but when scared from its feeding-ground it skims along the surfaceof the water for some distance, and then rises high into the air,uttering its shrill whistle...
Rev. C. A. Johns 「British Birds in their Haunts」
...And thehunters wounded some birds that the dogs did not get, and these couldnot fly off at migrating time...
Edith M. Patch 「Bird Stories」
...The KazanRiver Eskimos are said to use converging lines of such rock piles todirect migrating Caribou to certain river-crossings, where the hunterslie in wait for them...
Francis Harper 「The Barren Ground Caribou of Keewatin」
...: Sabine, in Franklin, 1823: 665, 667(Barren Grounds, migrating in summer to Arctic islands)...
Francis Harper 「The Barren Ground Caribou of Keewatin」
...Many of the migrating individuals were assumed tocontinue south to temperate and, less frequently, to tropicalwater where they calved...
Stephen Leatherwood 「Whales, Dolphins, and Porpoises of the Western North Atlantic」
...As autumn came oncemore she returned to the river, and fed chieflyon the migrating eels that swarmed in thehollows near the bank...
Alfred W. Rees 「Creatures of the Night」
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