The eastern moose (''Alces alces americana'') is a subspecies of

moose The moose (: 'moose'; used in North America) or elk (: 'elk' or 'elks'; used in Eurasia) (''Alces alces'') is the world's tallest, largest and heaviest extant species of deer and the only species in the genus ''Alces''. It is also the tal ...

that currently ranges throughout

Eastern Canada Eastern Canada (, also the Eastern provinces, Canadian East or the East) is generally considered to be the region of Canada south of Hudson Bay/ Hudson Strait and east of Manitoba, consisting of the following provinces (from east to west): Newf ...

New England New England is a region consisting of six states in the Northeastern United States: Connecticut, Maine, Massachusetts, New Hampshire, Rhode Island, and Vermont. It is bordered by the state of New York (state), New York to the west and by the ...

and northern

New York State New York, also called New York State, is a state in the northeastern United States. Bordered by New England to the east, Canada to the north, and Pennsylvania and New Jersey to the south, its territory extends into both the Atlantic Ocean and ...

. It inhabits

boreal forest Taiga or tayga ( ; , ), also known as boreal forest or snow forest, is a biome characterized by pinophyta, coniferous forests consisting mostly of pines, spruces, and larches. The taiga, or boreal forest, is the world's largest land biome. I ...

s and mixed

deciduous forest In the fields of horticulture and botany, the term deciduous () means "falling off at maturity" and "tending to fall off", in reference to trees and shrubs that seasonally shed leaves, usually in the autumn; to the shedding of petals, after flo ...

s. It is the third largest North American subspecies, after the

western moose The Western moose (''Alces alces andersoni'') is a subspecies of moose that inhabits boreal forests and mixed deciduous forests in the Canadian Arctic, western Canadian provinces and a few western sections of the northern United States. It is ...

and the Alaskan moose. Males are aggressive during mating season and will attack anything that provokes them.

Distribution

The eastern moose's range spans a broad swath of northeastern North America, which includes

New Brunswick New Brunswick is a Provinces and Territories of Canada, province of Canada, bordering Quebec to the north, Nova Scotia to the east, the Gulf of Saint Lawrence to the northeast, the Bay of Fundy to the southeast, and the U.S. state of Maine to ...

Newfoundland and Labrador Newfoundland and Labrador is the easternmost province of Canada, in the country's Atlantic region. The province comprises the island of Newfoundland and the continental region of Labrador, having a total size of . As of 2025 the populatio ...

(while it is native to Labrador, it was introduced to Gander Bay, Newfoundland in 1878 and to Howley, NL in 1904),

Nova Scotia Nova Scotia is a Provinces and territories of Canada, province of Canada, located on its east coast. It is one of the three Maritime Canada, Maritime provinces and Population of Canada by province and territory, most populous province in Atlan ...

Quebec Quebec is Canada's List of Canadian provinces and territories by area, largest province by area. Located in Central Canada, the province shares borders with the provinces of Ontario to the west, Newfoundland and Labrador to the northeast, ...

Eastern Ontario Eastern Ontario (census population 1,892,332 in 2021) () is a secondary region of Southern Ontario in the Canadian province of Ontario. It occupies a wedge-shaped area bounded by the Ottawa River and Quebec to the northeast and east, the St. Lawr ...

Maine Maine ( ) is a U.S. state, state in the New England region of the United States, and the northeasternmost state in the Contiguous United States. It borders New Hampshire to the west, the Gulf of Maine to the southeast, and the Provinces and ...

New Hampshire New Hampshire ( ) is a U.S. state, state in the New England region of the Northeastern United States. It borders Massachusetts to the south, Vermont to the west, Maine and the Gulf of Maine to the east, and the Canadian province of Quebec t ...

Vermont Vermont () is a U.S. state, state in the New England region of the Northeastern United States. It borders Massachusetts to the south, New Hampshire to the east, New York (state), New York to the west, and the Provinces and territories of Ca ...

Massachusetts Massachusetts ( ; ), officially the Commonwealth of Massachusetts, is a U.S. state, state in the New England region of the Northeastern United States. It borders the Atlantic Ocean and the Gulf of Maine to its east, Connecticut and Rhode ...

Connecticut Connecticut ( ) is a U.S. state, state in the New England region of the Northeastern United States. It borders Rhode Island to the east, Massachusetts to the north, New York (state), New York to the west, and Long Island Sound to the south. ...

, and northern New York. The moose that roam in

Cape Breton Highlands National Park Cape Breton Highlands National Park is a Canadian National Parks of Canada, national park on northern Cape Breton Island in Nova Scotia. The park was the first national park in the The Maritimes, Atlantic provinces of Canada and covers an ar ...

are descended from the

that originated from Alberta's

Elk Island National Park Elk Island National Park is a National Parks of Canada, national park in Alberta, Canada, that played an important part in the conservation of the plains bison. The park is administered by the Parks Canada Agency. This "island of conservation" ...

. The population and range of the eastern moose increased in the decades leading up to the early 2000s as

reforestation Reforestation is the practice of restoring previously existing forests and woodlands that have been destroyed or damaged. The prior forest destruction might have happened through deforestation, clearcutting or wildfires. Three important purpose ...

increased habitat area, but in more recent years diseases and parasites, including winter tick and

brainworm ''Parelaphostrongylus tenuis'' (also known as meningeal worm or brainworm) is a neurotropic nematode parasite common to white-tailed deer, ''Odocoileus virginianus'', which causes damage to the central nervous system. Moose (''Alces alces''), ...

, have cut into the population. There are about 350,000 eastern moose, with about of them mating every autumn and winter.

Habitat

Eastern moose live in thick boreal or mixed

s near large amounts of food. In the summer, they move to have access to

wetland A wetland is a distinct semi-aquatic ecosystem whose groundcovers are flooded or saturated in water, either permanently, for years or decades, or only seasonally. Flooding results in oxygen-poor ( anoxic) processes taking place, especially ...

s and aquatic vegetation, and prefer temperatures under .

Diet

The eastern moose's diet is similar to that of other moose species. It consumes up to a day of terrestrial vegetation, including

forb A forb or phorb is a herbaceous flowering plant that is not a graminoid (grass, sedge, or rush). The term is used in botany and in vegetation ecology especially in relation to grasslands and understory. Typically, these are eudicots without woo ...

s and shoots from trees such as

willow Willows, also called sallows and osiers, of the genus ''Salix'', comprise around 350 species (plus numerous hybrids) of typically deciduous trees and shrubs, found primarily on moist soils in cold and temperate regions. Most species are known ...

and

birch A birch is a thin-leaved deciduous hardwood tree of the genus ''Betula'' (), in the family Betulaceae, which also includes alders, hazels, and hornbeams. It is closely related to the beech- oak family Fagaceae. The genus ''Betula'' contains 3 ...

. It also forages for aquatic plants such as lilies and pondweed during the spring and summer. Like other moose species, it lacks upper front teeth but has eight sharp incisors on its lower jaw.

Size and weight

Eastern moose are the third largest American subspecies of moose; they are smaller then the

and

Alaska moose The Alaska moose (''Alces alces gigas''), or Alaskan moose in Alaska, or giant moose and Yukon moose in Canada, is a subspecies of moose that ranges from Alaska to western Yukon. The Alaska moose is the largest subspecies of moose. Alaska moose ...

, but larger then the Shiras moose. Males stand on average at the shoulder and weigh up to . Females stand on average at the shoulder and weigh on average . Eastern moose antlers have an average span of about across.

Social structure and reproduction

Eastern moose are solitary most of the year, only come into contact to mate or compete for breeding rights. Females without calves are mostly peaceful towards humans. Males use mating calls to attract females or challenge other bulls. At 10–11 months young are chased off by their mothers to fend for themselves.

Hunting

Eastern moose are hunted for food and sport during autumn and winter.

References

{{Taxonbar, from=Q5330599 Moose Mammals of the United States Mammals of Canada