Massachusetts mammals

Moose in Massachusetts

Alces alces

Native to Massachusetts S4 Apparently Secure in Massachusetts

Not listed as nonindigenous in Massachusetts by USGS NAS; native to its Massachusetts range.

IUCN Red List status

  1. LC
  2. NT
  3. VU
  4. EN
  5. CR
  6. EW
  7. EX

LC – Least Concern

Widespread and abundant; not at risk.

Moose in Massachusetts, by the numbers

Common in Massachusetts 29th most recorded of 93 mammals logged in Massachusetts

276 occurrence records

276 total records count every Massachusetts occurrence from GBIF and iNaturalist; the map plots a georeferenced sample of 273; the monthly chart covers the 273 records with a full observation date.

Field encounter

Where and when you're most likely to encounter a Moose

Most active: Massachusetts, in March to May.

Where
MassachusettsMA
When
March to May

Observe from a distance and give it room. Never approach, corner, or feed one.

When to be most aware of the Moose in Massachusetts

Most sightings fall in March to May.

273 Massachusetts occurrence records (iNaturalist and GBIF) by month of year. Shows when the species is recorded, not a guarantee of presence.

Monthly Massachusetts records (table)
MonthRecords
January20
February9
March39
April48
May47
June25
July22
August9
September18
October13
November10
December13

Monthly moose occurrence records (iNaturalist and GBIF) in Massachusetts.

Seasonality

Year-round in Massachusetts, with recorded sightings peaking in March–May.

Occurrence map

Where Moose has been recorded in Massachusetts

273 records mapped · zoom and drag to explore

273 Massachusetts records mapped

Where moose encounters are recorded

Park, forest, or monumentiNaturalist records
Muddy Brook Wildlife Management Area 7
Appalachian National Scenic Trail 2
Wendell State Forest 2
John J. Kelly Wildlife Management Area 1
Raccoon Hill Wildlife Management Area 1
Beartown State Forest 1
October Mountain State Forest 1
Sputtermill Pond Access 1

Protected places with the most moose records, from the USGS Protected Areas Database plus named mountain ranges, where encounters are most often recorded, not a full breakdown, so they don't sum to the total. Keep your distance and never approach one.

Where it's recorded in Massachusetts

CountyRecords
Franklin County 85
Worcester County 81
Hampshire County 43
Berkshire County 38
Hampden County 20
Middlesex County 6
Other localities 3

The complete county distribution, spread across 6 Massachusetts counties. Every occurrence record falls in one county, so these sum to the total. Counties from GBIF and US Census boundaries.

Moose show up far less often than most Massachusetts mammals in the occurrence data, with 276 records logged across the state. That’s a documentation gap as much as a real one. Moose are large and wide-ranging but easy to miss in dense forest, so a modest count doesn’t mean a small number of animals.

Berkshires and the north-central highlands, not the coast

Nearly every credible moose record in Massachusetts comes from the western and north-central parts of the state, the Berkshires around Mount Greylock and the forested highlands around the Quabbin Reservoir and the Worcester Plateau. Moose recolonized this stretch of Massachusetts on their own, dispersing south from Vermont, New Hampshire, and Maine after being absent from the state for roughly a century. The species still hasn’t spread onto Cape Cod or the outer coastal plain, where the mix of pine barrens and salt marsh doesn’t offer the wetlands and young hardwood browse a moose needs.

A body built to browse wetlands

A moose spends much of its day pulling twigs, bark, and buds from maple, birch, and aspen saplings, then wades into ponds and slow streams to pull up aquatic plants rich in sodium, something the surrounding forest can’t supply. That habit ties moose closely to the beaver ponds and wetland edges scattered through the Quabbin watershed, exactly the kind of habitat mosaic the reservoir’s protected forest still provides.

Spring records, not spring numbers

Reports climb sharply in March, April, and May and drop off through the rest of the year. That’s less about moose moving into the state and more about visibility. Snowmelt strips away ground cover, and cows heavy with calves due in late spring move more conspicuously along road corridors and forest edges before summer leaf-out closes the woods back up.

Status in Massachusetts

NatureServe ranks the moose S4, apparently secure, and it’s classified as native to the state. Its return to Massachusetts after a long absence is a genuine recovery story, but moose numbers here stay modest and concentrated in the western half of the state, tied to how much cool, wet forest remains connected across the Berkshires and the central highlands.

Occurrence data from iNaturalist and GBIF.

Moose in other states

View all states →

More mammals in Massachusetts in the atlas

Data & sources

The data and visualizations on this page draw on these open sources:

  • GBIFCC-BY 4.0occurrence records behind the range map, elevation, and record counts
  • iNaturalistCC0 / CC-BY / CC-BY-SAobservations, photos, and audio recordings
  • NatureServe ExplorerCC-BYthe state conservation rank
  • IUCN Red Listattributed factthe global conservation status
  • USGS NASpublic domainnative / introduced status
  • Natural Earthpublic domainthe relief basemap
  • USFSpublic domainnational-forest boundaries
  • USGS Protected Areas Databasepublic domainthe named parks, forests, and refuges behind "notable places to look"