...“The migrations of the springboks, which we witnessed yesterday, may be more frequent, but are not more certain than those of the central population of Africa... 
Captain Frederick Marryat 「The Mission; or Scenes in Africa」
...“Of course; for the end of all these invasions and migrations must be in such a sacrifice of human life as to afford sustenance and the means of subsistence to those who remain,” observed the Major...
Captain Frederick Marryat 「The Mission; or Scenes in Africa」
...The exact limits of theseannual migrations are unknown; it is, however, probable that in thenorth they never go beyond the banks of the Rio Bravo, at least in theStates of Cohahuila and Texas...
William T. Hornaday 「The Extermination of the American Bison」
...A very abundant species during migrations, being foundon the seashore or in marshes, nearly always in companywith other species of the family...
Chester A. Reed 「The Bird Book」
...This species is apparently not as common or ismore locally distributed during migrations thanis the Marbled Godwit...
Chester A. Reed 「The Bird Book」
...This species is now regarded asrare on the North Atlantic coast during migrations, while in the interior it ismore abundant than the last species...
Chester A. Reed 「The Bird Book」
...It arrives from the northin September, and is very regular in its migrations, although apparentlya very feeble flier...
P. L. Sclater 「Argentine Ornithology, Volume I (of 2)」
...15; abundant in migrations...
Frank M. Chapman 「What Bird is That?」
...Its song, heard only onits migrations up the Mississippi Valley and on its nestingground, has been described as resembling that of both theOven-bird and Maryland Yellow-throat...
Frank M. Chapman 「What Bird is That?」
...—Pacific coast; breeding in mountains from southern Californiato Kenai Peninsula, Alaska; winters from California southinto Mexico; east to Colorado in migrations...
Frank M. Chapman 「Color Key to North American Birds」
...—Pacific coast; breeds from Washington south throughSierra Nevadas; east, in migrations, to Nevada and Arizona; south toLower California and western Mexico...
Frank M. Chapman 「Color Key to North American Birds」
...It probably visited Europe as early as the beginning of the Christianera, and since then the migrations of the people from the Far East have fromtime to time introduced the disease...
U.S. Department of Agriculture 「Special Report on Diseases of Cattle」
...They can do it because of their perfect discipline, or instinct, or the perfection of the system they follow during their autumn and winter wanderings and migrations...
W. H. Hudson 「Birds in Town and Village」
...They not only feed, but migratein great flocks, and these migrations often takeplace at night when their sharp cries will be heard highin the air...
Harry Thom Payne 「Game Birds and Game Fishes of the Pacific Coast」
...They are commonly seen, bothin feeding and in their migrations, mixed in the flocksof the snow geese...
Harry Thom Payne 「Game Birds and Game Fishes of the Pacific Coast」
...From other sources I learned thatsmall numbers occasionally pass along the outskirts of Churchill duringthe migrations...
Francis Harper 「The Barren Ground Caribou of Keewatin」
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