There are at least six subspecies of elk according to biologist Olaus Murie, who studied them extensively over his lifetime. Of the six subspecies of elk in North America, there are three subspecies of elk with hunt-able populations classified by the Boone and Crockett club. The American elk, the Roosevelt elk and the Tule elk.
Eastern Elk
The Eastern (Cervus canadensis canadensis) was the first subspecies of elk discovered by white men in North America.
This elk was defined in simple terms as “all elk East of the Rocky Mountains”. This definition no longer holds true as Rocky Mountain Elk or what is now called the American Elk have been transplanted to several states East of the Rocky Mountains, including Arkansas, Kentucky, Michigan, and Pennsylvania. These states have small elk herds and allow elk hunting on a limited basis.

American AKA Rocky Mountain Elk
The most widespread species is the Rocky Mountain elk (Cervus canadensis nelsoni) or what many now call the American elk.
The American Elk live west of the Mississippi River. A bull American elk can weigh 800 pounds or more while a cow typically weighs 450 to 500 pounds. The largest herds of American elk lives in Colorado which has over 300,000 animals in it, but arguably the best elk hunting can be found in Arizona. If you can draw a tag.
Our Rocky Mountain Elk Hunts:
- Alberta Elk Hunting
- Arizona Elk Hunting
- Colorado Elk Hunting
- Idaho Elk Hunting
- Montana Elk Hunting
- New Mexico Elk Hunting
- Utah Elk Hunting
- Wyoming Elk Hunting
Roosevelt Elk
The Roosevelt Elk (Cervus canadensis roosevelti) is the largest bodied of all of the subspecies of elk.
A mature bull can weigh up to 1,000 pounds where a mature cow can weigh up to 600 pounds. Roosevelt elk are found in Oregon and Washington but some inhabit northern California and British Columbia. The Roosevelt Elk is darker than the American elk and some say they are the toughest species to hunt because they often don’t bugle as much as American elk. The terrain they live in can be extremely rugged and wet because many of them inhabit the rainforest located in Oregon.
Tule Elk
The Tule Elk (Cervus nannodes) can only be found in parts of central California.
Smaller in size that the other species, an adult bull tips the scales at 600 pounds or less while a cow typically weighs 300 to 350 pounds. The Tule Elk thrive in the moderate Mediterranean climate and subsequent vegetation type in its native range.
Manitoban Elk
This subspecies of elk (Cervus canadensis manitobensis) lives in Manitoba and Saskatchewan.
Sometimes, Manitoban elk wander across the border into the Great Lakes States. Compared to the American Elk, it is larger in body size but has smaller antlers. This subspecies of elk was driven to near extinction in the early 1900’s, but has since recovered.
Merriam Elk
The Merriam elk (Cervus canadensis merriami) is sadly, now extinct.
This subspecies of elk once lived in the Southwest United States. Mainly Arizona and New Mexico.
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Did you know there were 6 different subspecies of elk?
I always thought the Manitoban elk was extinct as well as the Merriam's. Interesting.
well I know prairie elk almost went extinct.