| Important Animals of the Bottomland Spruce-Poplar Forest Community | Important Animals of the Upland Spruce-Hardwood Community | Important Animals of the Lowland Spruce-Hardwood Community | |||
| Mammals | Mammals | Mammals | |||
| Masked shrew | Sorex cinereus | Masked shrew | Sorex cinereus | Masked shrew | Sorex cinereus |
| Dusky shrew | S. obscurus | Dusky shrew | S. obscurus | Dusky shrew | S. obscurus |
| Little brown bat | Myotis lucifugus | Little brown bat | Myotis lucifugus | Snowshoe hare | Lepus americanus |
| Snowshoe hare | Lepus americanus | Showshoe hare | Lepus americanus | Red squirrel | Tamiasciurus hudsonicus |
| Red squirrel | Tamiasciurus hudsonicus | Red squirrel | Tamiasciurus hudsonicus | Red-backed vole | Clethrionomys rutilus |
| Northern flying squirrel | Glaucomys sabrinus | Northern flying squirrel | Glaucomys sabrinus | Porcupine | Erethizon dorsatum |
| Red-backed vole | Clethrionomys rutilus | Red-backed vole | Clethrionomys rutilus | Coyote | Canis latrans |
| Porcupine | Erethizon dorsatum | Yellow-cheeked vole | Microtus xanthognathus | Gray wolf | C. lupus |
| Coyote | Canis latrans | Meadow jumping mouse | Zapus hudsonius | Red fox | Vulpes fulva |
| Gray wolf | C. lupus | Porcupine | Erethizon dorsatum | Black bear | Ursus americanus |
| Red fox | Vulpes fulva | Coyote | Canis latrans | Grizzly bear | U. arctos |
| Black bear | Ursus americanus | Gray wolf | C. lupus | Pine marten | Mertes americana |
| Grizzly bear | U. arctos | Red fox | Vulpes fulva | Ermine | Mustela erminea |
| Pine marten | Martes americana | Black bear | Ursus americanus | Wolverine | Gulo gulo |
| Ermine | Mustela erminea | Grizzly bear | U. arctos | Lynx | Lynx canadensis |
| Wolverine | Gulo gulo | Pine marten | Martes americana | Moose | Alces alces |
| Lynx | Lynx canadensis | Ermine | Mustela erminea | ||
| Moose | Alces alces | Least weasel | M. rixosa | Birds | |
| Wolverine | Gulo gulo | Common loon | Gavia immer | ||
| Birds | Lynx | Lynx canadensis | Arctic loon | G. arctica | |
| Common goldeneye | Bucephala clangula | Moose | Alces alces | Red-necked grebe | Podiceps grisegena |
| Barrow's goldeneye | B. islandica | Caribou | Rangifer tarandus | Horned grebe | P. auritus |
| Bufflehead | B. albeola | Bison | Bison bison | Whistling swan | Olor columbianus |
| Goshawk | Accipiter gentilis | Trumpeter swan | 0. buccinator | ||
| Sharpshinned hawk | A. striatus | Birds | Canada goose | Branta canadensis | |
| Bald eagle | Haliaeetus leucocephalus | Common goldeneye | Bucephala clangula | Mallard | Anas platyrhynchos |
| Osprey | Pandion haliaetus | Barrow's goldeneye | B. islandica | Pintail | A. acuta |
| Spruce grouse | Canachites canadensis | Bufflehead | B. albeola | American wigeon | A. americana |
| Ruffed grouse | Bonasa umbellus | Harlequin duck | Histrionicus histrionicus | Northern shoveler | A. clypeata |
| Spotted sandpiper | Actitis macularia | Goshawk | Accipiter gentilis | American green-winged teal | A. crecca |
| Great horned owl | Bubo virginianus | Sharpshinned hawk | A. striatus | Canvasback | Aythya valisineria |
| Belted kingfisher | Megaceryle alcyon | Rough-legged hawk | Buteo lagopus | Lesser scaup | A. affinis |
| Yellow-shafted flicker | Colaptes auratus | Osprey | Pandion haliaetus | Common goldeneye | Bucephala clangula |
| Hairy woodpecker | Dendrocopos villosus | Peregrine falcon | Falco peregrinus | Oldsquaw | Clangula hyemalis |
| Northern three-toed woodpecker | Picoides tridactylus | Spruce grouse | Canachites canadensis | White-winged scoter | Melanitta deglandi |
| Gray jay | Perisoreus canadensis | Willow ptarmigan | Lagopus lagopus | Surf scoter | M. perspicillata |
| Common raven | Corvus corax | Great horned owl | Bubo virginianus | Goshawk | Accipiter gentilis |
| Black-capped chickadee | Parus atricapillus | Hawk-owl | Surnia ulula | Sharpshinned hawk | A. striatus |
| Boreal chickadee | P. hudsonicus | Yellow-shafted flicker | Colaptes auratus | Peregrine falcon | Falco peregrinus |
| Robin | Turdus migratorius | Hairy woodpecker | Dendrocopos villosus | Spruce grouse | Canachites canadensis |
| Varied thrush | Ixoreus naevius | Northern three-toed woodpecker | Picoides tridactylus | Lesser sandhill crane | Grus canadensis |
| Hermit thrush | Catharus guttatus | Barn swallow | Hirundo rustica | Spotted sandpiper | Actitis macularia |
| Swainson's thrush | C. ustulatus | Cliff swallow | Petrochelidon pyrrhonota | Greater yellowlegs | Tringa melanoleuca |
| Ruby-crowned kinglet | Regulus calendulus | Tree swallow | Iridoprocne bicolor | Lesser yellowlegs | T. flavipes |
| Orange-crowned warbler | Vermivora celata | Bank swallow | Riparia riparia | Northern phalarope | Lobipes lobatus |
| Myrtle warbler | Dendroica coronata | Gray jay | Perisoreus canadensis | Common snipe | Capella gallinago |
| Pine grosbeak | Pinicola enucleator | Common raven | Corvus corax | Mew gulf | Larus canus |
| White-winged crossbill | Loxia leucoptera | Black-capped chickadee | Parus atricapillus | Bonaparte's gull | L. philadelphia |
| Slate-colored junco | Junco hyemalis | Boreal chickadee | P. hudsonicus | Arctic tern | Sterna paradisaea |
| White-crowned sparrow | Zonotrichia leucophrys | Gray-headed chickadee | P. cinctus | Great horned owl | Bubo virginianus |
| Robin | Turdus migratorius | Hawk-owl | Surnia ulula | ||
| Varied thrush | Ixoreus naevius | Belted kingfisher | Megaceryle alcyon | ||
| Hermit thrush | Catharus guttatus | Yellow-shafted flicker | Colaptes auratus | ||
| Important Animals of Alpine Tundra and Barren Ground Communities | Swainson's thrush | C. ustulatus | Hairy woodpecker | Dendrocopos villosus | |
| Gray-cheeked thrush | C. minimus | Northern three-toed woodpecker | Picoides tridactylus | ||
| Mammals | Mountain bluebird | Sialia currucoides | Tree swallow | Iridoprocne bicolor | |
| Tundra shrew | Sorex tundrensis | Ruby-crowned kinglet | Regulus calendulus | Gray jay | Perisoreus canadensis |
| Pika | Ochotona collaris | Northern shrike | Lanius excubitor | Common raven | Corvus corax |
| Hoary marmot | Marmota monax | Myrtle warbler | Dendroica coronata | Black-capped chickadee | Parus atricapillus |
| Arctic ground squirrel | Citellus parryi | Blackpoll warbler | D. striata | Robin | Turdus migratorius |
| Greenland collared lemming | Dicrostonyx groenlandicus | Northern waterthrush | Seiurus noveboracensis | Varied thrush | Ixoreus naevius |
| Alaska vole | Microtus miurus | Pine grosbeak | Pinicola enucleator | Hermit thrush | Catharus guttatus |
| Gray wolf | C. lupus | Hoary redpoll | Acanthis hornemanni | Swainson's thrush | C. ustulatus |
| Black bear | Ursus americanus | Common redpoll | A. flammea | Ruby-crowned kinglet | Regulus calendulus |
| Grizzly bear | U. arctos | White-winged crossbill | Loxia leucoptera | Orange-crowned warbler | Vermivora celata |
| Ermine | Mustela erminea | Slate-colored junco | Junco hyemalis | Myrtle warbler | Dendroica coronata |
| Wolverine | Gulo gulo | White-crowned sparrow | Zonotrichia leucophrys | Blackpoll warbler | D. striata |
| Moose | AIces alces | Northern waterthrush | Seiurus noveboracensis | ||
| Caribou | Rangifer tarandus | Pine grosbeak | Pinicola enucleator | ||
| Dall sheep | Ovis dalli | White-winged crossbill | Loxia leucoptera | ||
| Slate-colored junco | Junco hyemalis | ||||
| Birds | White-crowned sparrow | Zonotrichia leucophrys | |||
| Marsh hawk | Circu cyaneus | ||||
| Rough-legged hawk | Buteo lagopus | ||||
| Gyrfalcon | Falco rusticolus | ||||
| Rock ptarmigan | Lagopus mutus | ||||
| American golden plover | Pluvialis dominica | ||||
| Ruddy turnstone | Arenaria interpres | ||||
| Wandering tattler | Heteroscelus incanus | ||||
| Horned lark | Eremophila alpestris | ||||
| Barn swallow | Hirundo rustica | ||||
| Cliff swallow | Petrochelidon pyrrhonota | ||||
| Bank swallow | Riparia riparia | ||||
| Common raven | Corvus corax | ||||
| Water pipit | Anthus spinolettus | ||||
| Gray-crowned rosy finch | Leucosticte tephrocotis | ||||
| Savannah sparrow | Passerculus sandwichensis | ||||
| Golden-crowned sparrow | Zonotrichia atricapilla | ||||
| Lapland longspur | Calcarius lapponicus | ||||
| Snow bunting | Plectrophenax nivalis | ||||
| McKay's bunting | P. hyperboreus | ||||
| Important Animals of the Low Brush, Muskeg-Bog Community | Important Animals of the Wet Tundra Community | Important Animals of the Moist Tundra Community | |||
| Mammals | Mammals | Mammals | |||
| Masked shrew | Sorex cinereus | Masked shrew | Sorex cinercus | Masked shrew | Sorex cinereus |
| Snowshoe hare | Lepus americanus | Tundra shrew | S. tundrensis | Tundra shrew | S. tundrensis |
| Northern bog lemming | Synaptomys borealis | Tundra hare | Lepus othus | Tundra hare | Lepus othus |
| Meadow vole | Microtus pennsylvanicus | Arctic ground squirrel | Citellus parryi | Arctic ground squirrel | Citellus parryi |
| Tundra vole | M. oeconomus | Greenland collared lemming | Dicrostonyx groenlandicus | Greenland collared lemming | Dicrostonyx groenlandicus |
| Coyote | Canis latrans | Brown lemming | Lemmus trimucronatus | Brown lemming | Lemmus trimucronatus |
| Gray wolf | C. lupus | Tundra vole | Microtus oeconomus | Tundra vole | Microtus oeconomus |
| Black bear | Ursus americanus | Gray wolf | C. lupus | Meadow jumping mouse | Zapus hudsonius |
| Grizzly bear | U. arctos | Arctic fox | Alopex lagopus | Gray wolf | Canis lupus |
| Ermine | Mustela erminea | Grizzly bear | Ursus arctos | Red fox | Vulpes fulva |
| Wolverine | Gulo gulo | Ermine | Mustela erminea | Grizzly bear | Ursus arotos |
| Lynx | Lynx candensis | Wolverine | Gulo gulo | Ermine | Mustela erminea |
| Caribou | Rangifer tarandus | Caribou | Rangifer tarandus | Least weasel | M. rixosa |
| Wolverine | Gulo gulo | ||||
| Birds | Birds | Moose | A Ices alces | ||
| Common loon | Gavia immer | Whistling swan | Olor columbianus | Caribou | Rangifer tarandus |
| Arctic loon | G. arctica | Canada goose | Branta canadensis | ||
| Red-necked grebe | Podiceps grisegena | White-fronted goose | Anser albifrons | Birds | |
| Horned grebe | P. auritus | Snow goose | Chen caerulescens | Whistling swan | Olor columbianus |
| Whistling swan | Olor columbianus | Mallard | Anas platyrhynchos | Canada goose | Branta canadensis |
| Trumpeter swan | 0. buccinator | Pintail | A. acuta | White-fronted goose | Anser albifrons |
| Canada goose | Brenta canadensis | American wigeon | A. americana | Mallard | Anas platyrhynchos |
| Mallard | Anas platyrhynchos | Northern shoveler | A. clypeata | Pintail | A. acuta |
| Pintail | A. acuta | American green-winged teal | A. creeca | American wigeon | A. americana |
| American wigeon | A. americana | Greater scaup | Aythya marila | Northern shoveler | A. clypeata |
| Northern shoveler | A. clypeata | Lesser scaup | A. affinis | American green-winged teal | A. crecca |
| American green-winged teal | A. crecca | Spectacled eider | Somateria fischeri | Greater scaup | Aythya marila |
| Canvasback | Aythya valisineria | Steller's eider | Polysticta stelleri | Lesser scaup | A. affinis |
| Lesser scaup | A. affinis | Oldsquaw | Clangula hyemalis | Oldsquaw | Clangula hyemalis |
| Oldsquaw | Clangula hyemalis | Black scoter | Melanitta nigra | Black scoter | Melanitta nigra |
| White-winged scoter | Melanitta deglandi | Red-breasted merganser | Mergus serrator | Red-breasted merganser | Mergus serrator |
| Surf scoter | M. perspicillata | Willow ptarmigan | Lagopus lagopus | Willow ptarmigan | Lagopus lagopus |
| Peregrine falcon | Falco peregrinus | Rock ptarmigan | L. mutus | Rock ptarmigan | L. mutus |
| Lesser sandhill crane | Grus canadensis | Lesser sandhill crane | Grus canadensis | Lesser sandhill crane | Grus canadensis |
| Greater yellowlegs | Tringa malanoleuca | American golden plover | Pluvialis dominica | Black-bellied plover | Pluvialis squatarola |
| Lesser yellowlegs | T. flavipes | Black-bellied plover | P. squatarola | Rock sandpiper | Calidris ptilocnemis |
| Northern phalarope | Lobipes lobatus | Semipalmated plover | Charadrius semipalmatus | Dunlin | C. alpina |
| Common snipe | Capella gallinago | Whimbrel | Numenius phaeopus | Western sandpiper | C. mauri |
| Mew gull | Larus canus | Bristle-thighed curlew | N. tahitiensis | Red phalarope | Phalaropus fulicularius |
| Bonarparte's gull | L. philadelphia | Bar-tailed godwit | Limosa lapponica | Northern phalarope | Lobipes lobatus |
| Arctic tern | Sterna paradisaea | Long-billed dowitcher | Limnodromus scolopaceus | Common snipe | Capella gallinago |
| Hawk-owl | Surnia ulula | Ruddy turnstone | Arenaria interpres | Parasitic jaeger | Stercorarius parasiticus |
| Tree swallow | Iridoproche bicolor | Black turnstone | A. melanocephala | Long-tailed jaeger | S. longicaudus |
| Gray jay | Perisoreus canadensis | Rock sandpiper | Calidris ptilocnemis | Glaucous gull | Larus hyperboreus |
| Common raven | Corvus corax | Dunlin | C. alpina | Glaucous-winged gull | L. glaucescens |
| Bohemian waxwing | Bombycilla garrulus | Western sandpiper | C. mauri | Mew gull | L. canus |
| Rusty blackbird | Euphagus cyanocephalus | Red phalarope | Phalaropus fulicularius | Sabine's gull | Xema sabini |
| Northern phalarope | Lobipes lobatus | Arctic tern | Sterna paradisaea | ||
| Common snipe | Capella gallinago | Short-eared owl | Asio flammeus | ||
| Important Animals of the High Brush Community | Parasitic jaeger | Stercorarius parasiticus | Snowy owl | Nyctea scandiaca | |
| Long-tailed jaeger | S. longicaudus | Common raven | Corvus corax | ||
| Mammals | Glaucous gull | Larus hyperboreus | Yellow wagtall | Motacilla flava | |
| Masked shrew | Sorex cinereus | Glaucous-winged gull | L. glaucescens | Savannah sparrow | Passerculus sandwichensis |
| Tundra hare | Lepus othus | Mew gull | L. canus | Lapland longspur | Calcarius lapponicus |
| Snowshoe hare | L. americanus | Sabine's gull | Xema sabini | Snow bunting | Plectrophenax nivalis |
| Meadow jumping mouse | Zapus hudsonius | Arctic tern | Sterna paradisaea | McKay's bunting | P. hyperboreus |
| Coyote | Canis latrans | Short-eared owl | Asio flammeus | ||
| Gray wolf | C. lupus | Snowy owl | Nyctea scandiaca | ||
| Red fox | Vulpes fulva | Common raven | Corvus corax | ||
| Black bear | Ursus americanus | Savannah sparrow | Passerculus sandwichensis | ||
| Grizzly bear | U. arctos | Lapland longspur | Calcarius lapponicus | ||
| Ermine | Mustela erminea | Snow bunting | Plectrophenax nivalis | ||
| Least weasel | M. rixosa | ||||
| Wolverine | Gulo gulo | ||||
| Lynx | Lynx canadensis | ||||
| Moose | Alces alces | ||||
| Birds | |||||
| Sharpshinned hawk | Accipiter striatus | ||||
| Marsh hawk | Circus cyaneus | ||||
| Rough-legged hawk | Buteo lagopus | ||||
| Golden eagle | Aquila chrysaetos | ||||
| Willow ptarmigan | Lagopus lagopus | ||||
| Traill's flycatcher | Empidonax trailii | ||||
| Barn swallow | Hirundo rustica | ||||
| Cliff swallow | Petrochelidon pyrrhonota | ||||
| Bank swallow | Riparia riparia | ||||
| Common raven | Corvus corax | ||||
| Gray-cheeked thrush | Catharus minimus | ||||
| Arctic warbler | Phylloscopus borealis | ||||
| Yellow wagtail | Motacilla flava | ||||
| Bohemian waxwing | Bombycilla garrulus | ||||
| Northern shrike | Lanius excubitor | ||||
| Yellow warbler | Dendroica petechia | ||||
| Northern water thrush | Seiurus noveboracensis | ||||
| Wilson's warbler | Wilsonia pusilla | ||||
| Rusty blackbird | Euphagus cyanocephalus | ||||
| Hoary redpoll | Acanthis hornemanni | ||||
| Common redpoll | A. flammea | ||||
| Tree sparrow | Spizella arborea | ||||
| White-crowned sparrow | Zonotrichia leucophrys | ||||
| Golden-crowned sparrow | Z atricapilla | ||||
| Fox sparrow | Passerella iliaca | ||||