Idaho mammals

Moose in Idaho

Alces alces

Native to Idaho S3 Vulnerable in Idaho

Not listed as nonindigenous in Idaho by USGS NAS; native to its Idaho 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 Idaho, by the numbers

Common in Idaho 4th most recorded of 123 mammals logged in Idaho

905 occurrence records

905 total records count every Idaho occurrence from GBIF and iNaturalist; the map plots a georeferenced sample of 300; the monthly chart covers the 904 records with a full observation date.

Field encounter

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

Most active: Idaho, in May to August.

Where
IdahoID
When
May to August

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

When to be most aware of the Moose in Idaho

Most sightings fall in May to August.

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

Monthly Idaho records (table)
MonthRecords
January20
February29
March51
April85
May117
June149
July147
August117
September79
October58
November35
December17

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

Seasonality

Year-round in Idaho, with recorded sightings peaking in May–August.

Occurrence map

Where Moose has been recorded in Idaho

300 records mapped · zoom and drag to explore

299 Idaho records mapped

Where moose encounters are recorded

Park, forest, or monumentiNaturalist records
Trail of the Coeur d' Alenes 10
Coeur d'Alene National Forest 8
Rainey Bridge Access Site 5
Henrys Lake State Park 5
St. Joe National Forest 4
Ponderosa State Park 4
Hayspur Hatchery 3
City of Rocks National Reserve 3

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 Idaho

CountyRecords
Fremont County 134
Teton County 101
Latah County 92
Kootenai County 85
Cassia County 78
Bannock County 71
Blaine County 45
Bonner County 41
Jefferson County 26
Twin Falls County 25
Power County 24
Bonneville County 24
20 other counties 159

The complete county distribution, spread across 32 Idaho counties. Every occurrence record falls in one county, so these sum to the total. Counties from GBIF and US Census boundaries.

Idaho’s occurrence databases hold 905 moose records, the third-highest total among the 80 mammals tracked in this batch. That’s a measure of how often the species gets documented, not a count of how many moose live in the state.

Wet forests and high mountain drainages, not the open plain

Idaho’s moose cluster in wet, brushy country rather than spreading evenly across the state. The clearest strongholds are the cedar and hemlock forests of the Idaho Panhandle, where beaver ponds and marshy draws thread through the timber, and the willow-lined subalpine drainages of the Sawtooths and the forested headwaters of the Snake River in eastern Idaho. A moose needs standing or slow water fringed with willow and other soft browse, so it skips over the sagebrush basins that dominate much of southern Idaho.

A body built for snow and water

The long legs and towering shoulders that make a moose look ungainly on a trail are exactly what let it wade through deep mountain snowpack and shallow ponds that stop a mule deer cold. Through summer it wades into lakes and slow-moving streams to pull up sodium-rich pondweed, sometimes dunking its whole head underwater. Once snow piles up it switches to standing browse, working through willow, aspen shoots, and subalpine fir a bite at a time.

Why records climb in summer

Idaho’s monthly reports rise through spring and peak hard from June through August before falling off toward winter. That shape lines up with the calving season and the weeks moose spend visible at lake edges and pond margins pulling up aquatic plants, not with any drop-off in the animal itself once snow buries the high country and both moose and observers get harder to find.

Status in Idaho

NatureServe ranks the moose S3, Vulnerable, in Idaho even though it’s native to the state and among its most frequently recorded mammals. Those two facts sit together fine: a species can generate a strong record count from a fairly narrow slice of wet, high-elevation habitat while still carrying real conservation concern at the state level.

Occurrence data from GBIF.

Moose in other states

View all states →

More mammals in Idaho 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"