waterbirds, scaup, waterfowl, greater yellowlegs, loggerhead shrike, rusty blackbird, shorebirds, tufted duck, migratory, sandhill crane, bufflehead, phalaropes, wintering, gadwall, godwits, wildfowl, canvasback, northern harrier, bluebill, pochards, vesper sparrow, spotted sandpiper, pintail, pine siskin, widgeon, shelduck, golden plover, lesser scaup, dunlin, thrushes, whitewing, curlew, lesser yellowlegs, eastern meadowlark, brant, oxbow, pipit, spruce grouse, goldeneyes, northern bobwhite, tundra swan, indigo bunting, grebes, lapwing, cormorants, shrikes, mallards, redpolls, birds, sandpiper, turnstones, bobwhites, oystercatchers, northern shrike, carolina wren, redshank, habitat, scoters, massasauga, brown creeper, flycatcher, dowitchers, geese, dickcissel, mourning dove, bobwhite quail, anaplasmosis, ruddy turnstone, willow warbler, damselfly, yellowlegs, marco polo sheep, upland sandpiper, ptarmigan, ringneck, vireos, heronry, wetlands, scarlet tanager, killdeer, nesting, aedes albopictus, willet, avifauna, gnatcatchers, species, cottontails, hawk owl, mergansers, hooded merganser, razorbills, wood thrush, chipping sparrow, fulmar, brown thrasher, headwater, estuaries, ducks, common murre, hudsonian godwit, baltimore oriole, gray catbird, flyways, region, seaway, fishery, geosyncline, hinterland, landmass, railway, subregion, watershed, basin, bloc, boundary, corridor, drainages, entrepot, granary, greenland, route, scarp

path, route

migration route