Massachusetts mammals

Wild Boar in Massachusetts

Sus scrofa

Introduced to Massachusetts

Massachusetts's Sus scrofa records are of an introduced species; it does not occur here as a wild native population.

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.

Wild Boar in Massachusetts, by the numbers

Rare in Massachusetts 76th most recorded of 93 mammals logged in Massachusetts

14 occurrence records
5 with iNaturalist photos
Mar 21, 2026 Last seen in Massachusetts

Records from 2000–2026.

14 total records count every Massachusetts occurrence from GBIF and iNaturalist; the monthly chart covers the 9 records with a full observation date.

When to look for the Wild Boar in Massachusetts

Most sightings fall in March.

9 Massachusetts occurrence records (iNaturalist and GBIF) by month of year, 2000–2026. Shows when the species is recorded, not a guarantee of presence. Based on a small number of dated records; the seasonal pattern may not be representative.

Monthly Massachusetts records (table)
MonthRecords
January0
February0
March3
April0
May0
June3
July1
August1
September1
October0
November0
December0

Monthly wild boar occurrence records (iNaturalist and GBIF) in Massachusetts, 2000–2026.

Seasonality

Sparse observation record in Massachusetts; presence confirmed but timing of activity not well documented.

Occurrence map

Where Wild Boar has been recorded in Massachusetts

14 records mapped · zoom and drag to explore

14 Massachusetts records mapped

Where it's recorded in Massachusetts

CountyRecords
Middlesex County 4
Suffolk County 4
Norfolk County 1
Hampden County 1
Plymouth County 1
Worcester County 1
Franklin County 1
Hampshire County 1

The complete county distribution, spread across 8 Massachusetts counties. Every occurrence record falls in one county, so these sum to the total. Counties from GBIF and US Census boundaries.

Massachusetts holds just 14 records for the wild boar, a small number that puts the state at the outer edge of a species whose real feral range runs through Texas, Florida, and the rest of the Deep South.

Coastal edges, not established sounders

Unlike the Gulf Coast and Southeast, where feral hogs form family groups called sounders in brushy bottomland, Massachusetts’ scattered records cluster near protected coastal land: Cape Cod National Seashore and the barrier-island refuges of Monomoy and Parker River. That pattern fits isolated escapes or releases near farms and rural properties far better than an established breeding group working its way through the state’s forests.

Built to spread fast, wherever it lands

Wherever wild boar do take hold, the same traits explain how quickly a few animals can become a lasting problem: they eat almost anything, root up soil and crops with a powerful snout, and a single sow can raise more than five piglets at a time, sometimes twice in one year. Massachusetts’ low, scattered record count suggests that cycle hasn’t taken hold here the way it has farther south, at least not yet.

Status in Massachusetts

Massachusetts classifies the wild boar as introduced rather than native, reflecting its status as a feral, non-native animal rather than a wild population within its mapped range. That’s a narrow technical read. Nationally, this is a feral, non-native animal descended from a mix of released Eurasian stock and escaped domestic pigs, and the state’s own sparse records place it far outside the established range where it does real ecological harm.

Occurrence data from iNaturalist and GBIF.

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