RESIDENCE IN THE ARCTIC 



291 



Distance Traveled and Arrival Date 



In studying the arriving populations it must be considered tliat they 

 come from such widely distributed wintering grounds as are shown 

 in table 12. Among the migratory birds, only hoary redpolls are 

 known also to be resident in winter at Anaktuvuk, and few are seen 

 then in comparison with the large numbers present late in May. Dur- 

 ing that month the numbers progressively increase, but there is no 

 conspicuous climax in numbers which accurately designates a mean 

 date of migration. Nevertheless, the numbers seen in late May exceed 

 those seen in winter many hundred times. The many redpolls seen in 

 summer are still not a hmidredth of those seen in May or again in 

 late August. In winter hoary redpolls are sporadically common or 

 occasional in interior Alaska. There are not enough indications to 

 suggest whether the arctic nesting hoary redpolls come from winter 

 resorts in nearby Alaska or from their winter range, which extends to 

 northern United States. 



Common redpolls have not been found at Anaktuvuk in winter and 

 their nearest reported wintering area is in the Tanana Valley (Cade 



Table 12. — Least migratory path of Urds arriving on central Alaskan arctic 



nesting grounds. 



[Anaktuvuk Oocation, lat. 68°10' N., long. 151°46' W.) is taken as representative of the northern destination. 

 The reference localities of the wintering range areas represent the neaiest well known points now assignable 

 to the species designated.] 







Nearest winter 



Winter residence 



Least migration distance 



Genus or migration group and 









number of species 



range 



reference locaUty 



Lati- 

 tude 

 (de- 

 grees) 



Longi- 

 tude 

 (de- 

 grees) 



Miles 



Acanthis 



2 



Alaska 











Plectrophenax 



1 



Alaska 



Anchorage, Alaska 



7 



2W 



450 



American Pacific coast (table 



19 



Gulf of Alaska 



Seward, Alaska 



8 



2W 



550 



10) 

 West and Northwest American 



20 



Northwestern 



Seattle, Wash- 



2 



29 W 



1800 



(table Ua) 





States 



ington 









East of Rocky Mts. (table lib) 



12 













(Hylocichla) 





Eastern base of 

 Rocky Mts. 



Great FaOs, Mon- 

 tana 



22 



42 W 



2100 



(Passerella) 





Southeastern States 



Atlanta, Georgia 



35 



67 W 



3800 



(Pluvialls) 





Argentina 



Buenos Aires, 

 Argentina 



104 



93 W 



8500 



North American (table llc-f) 



31 



Moimtaln States 



Great Falls, Mon- 

 tana 



22 



42 W 



2100 



Pacific 



2 



Northwestern 



Seattle, Wash- 



22 



29 W 



1800 



(Heteroscelus) 





States 



ington 









(Arenarla) 





Aleutians 



Cold Bay, Alaska 



14 



12 E 



1100 



Asiatic 



3 



China 



Shanghai, Chhia 



38 



95 E 



5200 



(Oenanthe) 















(Phylloscopus) 















(Motacilla) 















Total Speqes 



90 













