248 U. S. NATIONAL MUSEUM BULLETIN 217 



Table 4, — Status of birds at Anaktuvuk, Kohuk, and Old Crow — Continued 



Species 



A- 



nak- 

 tu- 

 vuk 



Ko- 

 buk 



Old 



Crow 



Species 



A- 



nak- 

 tu- 

 vuk 



Ko- 

 buk 



Old 

 Crow 



Pbylloscopus borealis kenni- 









Jonco byemalis hyemalis 



V 



MN 



N 



cotti 



MN 



MN 







Spizella arborea ochracea 



MN 



MN 



MN 



Regulus calendula calendula 



V 



MN 



N 



Zonotrlchia leucophrys gam- 









Total Sylvhdae (2) 



(2) 



(2) 



(1) 



belil 



MN 



MN 



MN 



Motacllla flava tschutschensis 



MN 



MN 







Zonotrichia atrlcapilla 







N 







Anthus splnolctta nibescens 



MN 



MN 



MN 



Passerella iliaca zaboria 



MN 



MN 



MN 



Total Motacillidab (2) 



(2) 



(2) 



(1) 



Melospiza lincolnii lincohiil 











V 



Bombycilla garrula pallidiceps 







R 



R 



Calcarius lapponlcus alascensis 



MN 



MN 



M 



Total BoMBvaLLiDAE (l) 



(0) 



(1) 



(1) 



Calcarius pictus 



MN 











Lanius excubitor invletus 



MN 



MN 



V 



Plectrophenax nivalis nivalis 



M 



M 



M 



Total Lanhdab (1) 



(1) 



(1) 



(1) 



Total FBraaoxiDAS (16) 



(12) 



(14) 



(12) 



Vermivora celata celata 

 Dendroica petechia amnlcola 



O 

 V 



N 

 N 



N 



N 











Total, all families (139) 



(106) 



(122) 



(107) 



Dendroiea coronata hooverl 



V 



N 



N 











Dendroica striata 



o 



N 



N 



Stjmmaet of Status 









Seiurus noveboracensis nota- 

















bilis 







N 



N 



(R) resident 



5 



20 



18 



WUsonia pusilla pusilla 











N 



(RM) resident and migrating 



2 



3 



2 



Wilsonla pusilla pileolata 



N 



N 







(M) migrating but not remain- 









Total PAEULroAE (7) 



(3) 



(6) 



(6) 



ing to nest 



21 



12 



9 



Euphagus carolinus carolinus 



N 



MN 



MN 



(MN) migrating to nest and 









Total Icteeidae (1) 



(1) 



(1) 



(1) 



also migrating 



49 



67 



48 



Pinlcola enucleator alascensis 



WV 



R 



R 



(N) migrating to nest but not 









Leucostiete tephrocotis irvingl 



N 



MN 







migrating farther 



3 



19 



24 



Acanthis homemanni exilipes 



RM 



RM 



RM 



(V) visitor 



22 



10 



6 



Acantbis fiammea flammea 

 Acanthis flammea holboellli 

 Loxia leucoptera leucoptera 



MN 

 

 



RM 

 V 

 R 



MN 

 

 R 



(WV) winter visitor 



4 



1 



1 



Total 



106 



122 



107 



Passerculus sandwichensls an- 

















tbinus 



MN 



MN 



N 











The Birds of Anaktuvuk Pass 



Anaktuvuk Pass has been so little disturbed by human activities 

 that the birds still live there in an environment as stable as the natural 

 terrain and climate. Their comparative stability greatly simplifies 

 description of how their activities relate them to the populations of 

 birds elsewhere. Ajnong the 11 species of birds regularly present 

 there in winter, 7 also remain to nest in summer, as shown in table 5. 

 But the nesting birds cannot be called residents simply because indi- 

 viduals are seen there at all seasons of the year. For example, the 

 number of nesting willow ptarmigan {Lagopus lagoyus alascensis) 

 is very small in comparison with the great numbers which migrate 

 northward through the valley in late winter. Only occasionally are 

 hoary redpolls {Acanthis homemanni exilipes) seen in winter but 

 great numbers migrate through in May and September. At present 

 there is no indication whether the nesting individuals of these two 

 species had been present in winter or arrived during migration. The 

 migrant ptarmigan and redpolls at Anaktuvuk are probably a thousand 



