Subspecies and Distribution. U. a. americanus Pallas, 1780 — Alaska to E Canada and E USA. U. a. altifrontalis Elliot, 1903 — Pacific coast USA and Canada (S British Columbia). U. a. amblyceps Baird, 1859 — SW USA. U. a. californiensisJ. Miller, 1900 — SW USA (interior California). U. a. carlottae Osgood, 1901 — W Canada (Queen Charlotte Is). U. a. cinnamomum Audubon & Bachman, 1854 — Rocky Mts of Canada and USA. U. a. emmonsu Dall, 1895 — SE Alaska. U. a. eremicus Merriam, 1904 — E Mexico. U. a. floridanus Merriam, 1896 — SE USA (Florida). U. a. hamilton: Cameron, 1957 — E Canada (Newfoundland). U. a. kermodei Hornaday, 1905 — W Canada (coastal British Columbia). U. a. luteolus Griffith, 1821 — S USA (Louisiana). U. a. machetes Elliot, 190...
Subspecies and Distribution. E.d.dorsatumLinnaeus,1758—CanadaEofYukonTerritoryandBritishColumbiaProv...
Subspecies and Distribution. O.c.canadensisShaw,1804—SWCanada(SBritishColumbia&SWAlberta),WUSA(Washi...
Subspecies and Distribution. Z.h.hudsoniusZimmermann,1780—SEAlaska,mostofW&CCanada(SYukon,NBritishCo...
Subspecies and Distribution. U. c. cinereoargenteus Schreber, 1775 — E USA. U. c. borealis Merriam, ...
Subspecies and Distribution. M. a. americana Turton, 1806 — E Canada (Ontario & Quebec) anf NE USA. ...
Subspecies and Distribution. N. v. vison Schreber, 1776 — E Canada and NE USA (Allegheny Mts). N. v....
Subspecies and Distribution. S.b.borealisJ.Richardson,1828—NorthwestTerritories,extremeSWNunavut,NEB...
Subspecies and Distribution. L. r. rufus Schreber, 1777 — C Canada (Saskatchewan, Manitoba & W Ontar...
Subspecies and Distribution. L.t.trimucronatusJ.Richardson,1825—NYukon,NorthwestTerritories,Nunavut,...
Subspecies and Distribution. O. l. leucogasterWied-Neuwied, 1841 — from extreme SE Saskatchewan and ...
Subspecies and Distribution. M. m. mephitis Schreber, 1776 — E Canada. M. m. avia Bangs, 1898 — Midw...
Subspecies and Distribution. L. c. canadensis Schreber, 1776 — E Canada (Maritime Provinces, Ontario...
Subspecies and Distribution. S.c.cinereusKerr,1792—N&EAlaskaE&SthroughmuchofCanada(includingNewfound...
Subspecies and Distribution. E.d.dorsatumLinnaeus,1758—CanadaEofYukonTerritoryandBritishColumbiaProv...
Subspecies and Distribution. O.c.canadensisShaw,1804—SWCanada(SBritishColumbia&SWAlberta),WUSA(Washi...
Subspecies and Distribution. Z.h.hudsoniusZimmermann,1780—SEAlaska,mostofW&CCanada(SYukon,NBritishCo...
Subspecies and Distribution. U. c. cinereoargenteus Schreber, 1775 — E USA. U. c. borealis Merriam, ...
Subspecies and Distribution. M. a. americana Turton, 1806 — E Canada (Ontario & Quebec) anf NE USA. ...
Subspecies and Distribution. N. v. vison Schreber, 1776 — E Canada and NE USA (Allegheny Mts). N. v....
Subspecies and Distribution. S.b.borealisJ.Richardson,1828—NorthwestTerritories,extremeSWNunavut,NEB...
Subspecies and Distribution. L. r. rufus Schreber, 1777 — C Canada (Saskatchewan, Manitoba & W Ontar...
Subspecies and Distribution. L.t.trimucronatusJ.Richardson,1825—NYukon,NorthwestTerritories,Nunavut,...
Subspecies and Distribution. O. l. leucogasterWied-Neuwied, 1841 — from extreme SE Saskatchewan and ...
Subspecies and Distribution. M. m. mephitis Schreber, 1776 — E Canada. M. m. avia Bangs, 1898 — Midw...
Subspecies and Distribution. L. c. canadensis Schreber, 1776 — E Canada (Maritime Provinces, Ontario...
Subspecies and Distribution. S.c.cinereusKerr,1792—N&EAlaskaE&SthroughmuchofCanada(includingNewfound...
Subspecies and Distribution. E.d.dorsatumLinnaeus,1758—CanadaEofYukonTerritoryandBritishColumbiaProv...
Subspecies and Distribution. O.c.canadensisShaw,1804—SWCanada(SBritishColumbia&SWAlberta),WUSA(Washi...
Subspecies and Distribution. Z.h.hudsoniusZimmermann,1780—SEAlaska,mostofW&CCanada(SYukon,NBritishCo...