1 6 University of Michigan 



Dryobates villosus septentrionalis. Northern hairy woodpecker. Summer. 



Picoides americanus fasciatus. Alaska three-toed woodpecker. Resi- 

 dent. 



Colaptes auratus borealis. Boreal flicker. Summer. 



NuUallornis borealis. Olive-sided flycatcher. Summer. 



Perisoreus canadensis jiimifrons. Alaska jay. Resident. 



Corvus corax principalis. Northern raven. Resident. 



Loxia leucoptera. White-winged crossbill. Resident. 



Acanthis hornemanni exilipes. Hoary redpoll. Winter. 



Acanthis linaria linaria. Redpoll. Resident, breeding. 



Passerculus sandwichcnsis alatidinus. Western savanna sparrow. Sum- 

 mer. 



Zonolrichia gambeli. Gambel sparrow. Summer. 



Spizella monlicola ochracea. Western tree sparrow. Summer. 



Junco hyetnalis hyemalis. Slate-colored junco. Summer. 



Passerella iliaca iliaca. Fox sparrow. Summer. 



Dendroica coronala hooveri. Myrtle warbler. Summer. 



Seiiirus noveboracensis notabilis. Grinnell water-thrush. Summer. 



Wilsonia pusilla pusilla. Wilson warbler. Summer. 



Penthesles hudsonicus Inidsonicus. Hudsonian chickadee. Resident. 



Regidus calendula calendula. Ruby-crowned kinglet. Summer. 



Hylocichla ustulata swainsoni. Olive-backed thrush. Summer. 



Planesticus tnigratorius migralorius. Eastern robin. Summer. 



Ixoreus ncevius meruloides. Northern varied thrush. Summer. 



Sorex personalus arclicus. Arctic shrew. 



Ursus americanus americanus. Black bear. 



Vulpes alascensis alascensis. Alaska red fox. 



Maries americana actuosa. Alaska marten. 



Mtistela arctica arclica. Arctic weasel. 



Muslela vison ingens. Alaska mink. 



Lutra canadensis canadensis. Canada otter. 



Lynx canadensis. Canada lynx. 



Evotomys dawsoni dawsoni. Dawson red-backed vole. 



Erethizon epixanthum myops. Alaska porcupine. 



Sciurus hudsonicus hudsonicus. Northern red squirrel. 



Glaucomys sabrinus yukonensis. Yukon flying squirrel. 



Lepus americanus macjarlani. Macfarlane snowshoe hare. 



Alces gigas. Alaska moose. 



On the better-drained parts of the river valleys, especially 

 along the edges of the streams, and on many of the lower slopes 

 having a southern exposure, may be found a mixed forest of which 

 the dominant trees are the white spruce, Picea canadensis, and the 

 Alaska paper birch, Betula alaskana. Other trees found in this 



