...They are among the latestof the migrants to reach ourborders and arrive in theMiddle States about the latterpart of May, when theyare quite common... 
Chester A. Reed 「The Bird Book」
...They are the last of allour migrants to leave us in autumn, and invariably reappear in smallnumbers about the houses on every warm day in winter...
P. L. Sclater 「Argentine Ornithology, Volume I (of 2)」
...This species is a summer visitor in Buenos Ayres, and is one of the lastto arrive and first to depart of our migrants...
P. L. Sclater 「Argentine Ornithology, Volume I (of 2)」
...This beautiful Warbler was formerly considered one ofour rarer migrants, but of recent years it appears to beincreasing in numbers...
Frank M. Chapman 「What Bird is That?」
...They areamong the last migrants to come north in the spring and among thefirst to leave in the autumn because insects don't hatch out in coolweather, and the birds must always be sure of plenty to eat...
Neltje Blanchan 「Birds Every Child Should Know」
...We found evidence of breedingand also saw large flocks of birds that were either nonbreederssummering in the area or early, postbreeding migrants from morenortherly places...
Robert K Selander 「Vertebrates from the Barrier Island of Tamaulipas, México」
...The251 birds seen by Coffey (1960:292) at Cacalilao, Veracruz, on May11, 1954, were probably migrants...
Robert K Selander 「Vertebrates from the Barrier Island of Tamaulipas, México」
...North American migrants in the state of Veracruz, Mexico: a summary...
Robert K Selander 「Vertebrates from the Barrier Island of Tamaulipas, México」
...Examples of thesemore local migrants are the grey-headed and the verditerflycatchers, the Indian bush-chat and, to some extent, theparadise flycatcher and the Indian oriole...
Douglas Dewar 「A Bird Calendar for Northern India」
...Miller (1955a:173) took spring migrants ofW...
Emil K. Urban 「Birds from Coahuila, Mexico」
...Probably,however, these summer migrants are ashappy as most of their class...
Frederick G. Aflalo 「Birds in the Calendar」
...Any migrant tends to arrive on breeding groundsrelatively late, hence migrants ordinarily have higher index valuesthan do residents...
Richard F. Johnston 「The Breeding Birds of Kansas」
...Most individuals seen in the Stateare passage migrants...
Richard F. Johnston 「The Breeding Birds of Kansas」
...Like a processionthey go—the bobolinks and other migrants, too; for the night sky isfilled with travelers when birds fly south...
Edith M. Patch 「Bird Stories」
...The explanationof such a phenomenon is none too obvious; and in any event, there wereexceptions enough, though the general statement may hold true for thebulk of the migrants...
Francis Harper 「The Barren Ground Caribou of Keewatin」
...When migrants were numerous on the marshes at Chadwick I heard this note often...
Glen E. Woolfenden 「Comparative Breeding Behavior of Ammospiza caudacuta and A. maritima」
...Other animals caught three or fewertimes were considered to be migrants...
Charles L. Douglas 「Comparative Ecology of Pinyon Mice and Deer Mice in Mesa Verde National Park, Colorado」
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