...I particularlynoticed that all in the act of migrating had their gillsexpanded... 
J. Emerson Tennent 「Sketches of the Natural History of Ceylon」
...--Southwest coast of Alaska, migrating toJapan in the winter...
Chester A. Reed 「The Bird Book」
...After May 15 there is an evident thinning in theranks of the migrating army, and by June 1 we shallsee only a few stragglers...
Frank M. Chapman 「What Bird is That?」
...Southern states north to Virginia; wintering fromsouthern Florida southward and migrating northward in March...
Frank M. Chapman 「What Bird is That?」
...When nesting, the Golden-wing prefers second growths,and birches, but when migrating it may be found in thewoods with others of its family...
Frank M. Chapman 「What Bird is That?」
...When migrating, it may be foundusually near the ground, where it may be identifiedby its habit of tail-wagging...
Frank M. Chapman 「What Bird is That?」
...—"Nearly cosmopolitan, breeding in Arctic and Sub-Arcticregions, migrating, in America, south to Chili and Patagonia...
Frank M. Chapman 「Color Key to North American Birds」
...—"Eastern Asia, and coast of Alaska, migrating south toJava and Australia...
Frank M. Chapman 「Color Key to North American Birds」
...55°in winter migrating south to Lat...
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」
... join the old birds before the wandering and migrating south begins? And do they pair or not before the winter? ...
W. H. Hudson 「Birds in Town and Village」
...Flock by flock and kind by kind, the migrating birdsdeparted...
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」
...of CapeFranklin, migrating S...
Francis Harper 「The Barren Ground Caribou of Keewatin」
...across Coronation Gulf inNovember); 48 (stomach contents and droppings eaten by Eskimos,Coronation Gulf); 54 (crossing ice in migrating N...
Francis Harper 「The Barren Ground Caribou of Keewatin」
...Theseconcentrations never lasted more than a few days and seemed to involveindividuals that were still migrating or newly arrived and not yetestablished on their territories...
Henry S. Fitch 「The Forest Habitat of the University of Kansas Natural History Reservation」
...On the savannas at Toocog two small individuals were obtained in the dry season, at which time the crocodiles apparently were migrating to water...
William E. Duellman 「Amphibians and Reptiles of the Rainforests of Southern El Peten, Guatemala」
...The creek channelat times of heavy rainfall, carries a torrent of swirling water whichmight present a barrier to migrating frogs as they are not strongswimmers...
Henry S. Fitch 「Field Study of Kansas Ant-Eating Frog」
...The white-lipped peccaryherds in large numbers, migrating apparently in regular orderin companies sometimes a thousand strong...
Various 「Natural History in Anecdote」
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