Arizona mammals

Long-tailed Weasel in Arizona

Neogale frenata

Native to Arizona S4 Apparently Secure in Arizona

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

Long-tailed Weasel in Arizona, by the numbers

Rare in Arizona 115th most recorded of 158 mammals logged in Arizona

40 occurrence records
17 with iNaturalist photos

40 total records count every Arizona occurrence from GBIF and iNaturalist; the monthly chart covers the 38 records with a full observation date.

When to look for the Long-tailed Weasel in Arizona

Most sightings fall in July.

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

Monthly Arizona records (table)
MonthRecords
January1
February0
March0
April3
May2
June4
July16
August5
September3
October3
November1
December0

Monthly long-tailed weasel occurrence records (iNaturalist and GBIF) in Arizona.

Seasonality

Year-round in Arizona, with recorded sightings peaking in July.

Occurrence map

Where Long-tailed Weasel has been recorded in Arizona

40 records mapped · zoom and drag to explore

40 Arizona records mapped

Notable places to look

Park, forest, or monumentiNaturalist records
Coconino National Forest 3
Kachina Peaks Wilderness 2

Protected places with the most long-tailed weasel sightings, from the USGS Protected Areas Database plus named mountain ranges, good spots to look, not a full breakdown, so they don't sum to the total.

Where it's recorded in Arizona

CountyRecords
Coconino County 21
Apache County 15
Cochise County 2
Greenlee County 1
Santa Cruz County 1

The complete county distribution, spread across 5 Arizona counties. Every occurrence record falls in one county, so these sum to the total. Counties from GBIF and US Census boundaries.

The long-tailed weasel is one of Arizona’s least-recorded carnivores. It is small, fast, and almost never holds still for a camera. Open occurrence databases hold only 17 Arizona records, nearly all iNaturalist photos. That small tally measures documentation, not abundance across the state’s high country.

A hunter of the high country

In Arizona the weasel turns up mostly on the cool Colorado Plateau and in the eastern mountains, the ponderosa and mixed-conifer belt of the San Francisco Peaks and the White Mountains where voles, mice, and ground squirrels are plentiful. Coconino County holds nearly every record, with the remainder from Apache County. A long-tailed weasel is built to follow rodents right into their burrows: a slender, tube-shaped body on short legs, a warm brown coat, and a black-tipped tail. That shape lets it hunt in tunnels wider mammals could never enter, but it also makes the animal maddening to glimpse and harder still to photograph.

Why it is so rarely seen

Weasels stay active year round and do not hibernate, so the thin scatter of records across the calendar reflects chance encounters rather than any true season. At Arizona’s higher elevations a weasel may molt into a white winter coat, an adaptation better known farther north, which can make a midwinter animal briefly conspicuous against bare ground before it slips back into cover.

Common questions

Is the long-tailed weasel uncommon in Arizona? Records can’t answer that question. Its size, speed, and secretive habits make it difficult to document in suitable high-country habitat.

More mammals in Arizona 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"