Colorado mammals

Gray Wolf in Colorado

Canis lupus

Native to Colorado SX Presumed Extirpated in Colorado

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

Gray Wolf in Colorado, by the numbers

Presumed Extirpated in Colorado 98th most recorded of 154 mammals logged in Colorado

74 occurrence records
1 with iNaturalist photos
Jun 28, 2025 Last recorded (historical)

Records from 2000–2026.

74 total records count every Colorado occurrence from GBIF and iNaturalist; the monthly chart covers the 73 records with a full observation date.

When the gray wolf was recorded in Colorado

Most historical records fall in April.

73 Colorado occurrence records (iNaturalist and GBIF) by month of year, 2000–2026. Shows when the species is recorded, not a guarantee of presence.

Monthly Colorado records (table)
MonthRecords
January5
February4
March4
April17
May6
June8
July10
August6
September3
October5
November4
December1

Monthly gray wolf occurrence records (iNaturalist and GBIF) in Colorado, 2000–2026.

Seasonality

Historical records in Colorado peak in April.

Occurrence map

Where Gray Wolf has been recorded in Colorado

74 records mapped · zoom and drag to explore

74 Colorado records mapped

Where gray wolf encounters are recorded

Park, forest, or monumentiNaturalist records
Uncompahgre National Forest 6
Chimney Rock National Monument 5
Lizard Head Wilderness 1
Mueller 1
Canyons Of The Ancients National Monument 1
Weminuche Wilderness 1

Protected places with the most gray wolf 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 Colorado

CountyRecords
El Paso County 13
Ouray County 7
Teller County 6
Archuleta County 6
Garfield County 6
Gunnison County 4
Grand County 2
Hinsdale County 2
Montezuma County 2
San Miguel County 2
La Plata County 2
Las Animas County 2
17 other counties 20

The complete county distribution, spread across 29 Colorado counties. Every occurrence record falls in one county, so these sum to the total. Counties from GBIF and US Census boundaries.

Subspecies in Colorado

The gray wolves now in Colorado (Canis lupus) stem from the voter-mandated Proposition 114 restoration: the first ten animals were released in Grand and Summit counties in December 2023 using wolves captured in Oregon.

The gray wolf is among the rarest mammals in Colorado’s occurrence record. Open occurrence databases hold only 74 records for the wolf here, and just 1 of them is an iNaturalist photo; the rest come from museum specimens and agency survey data rather than casual encounters.

A predator erased, then legislated back

Colorado shot, trapped, and poisoned its wolves out of existence by the middle of the twentieth century, and NatureServe still carries the species as Presumed Extirpated, a status that reflects that long absence rather than the present moment. The thin scatter of records across El Paso, Ouray, Garfield, and Archuleta counties is the residue of that history: old specimens, a handful of transient animals, and detections logged before any resident population existed. It is a distribution map of near-total loss.

A record at its very beginning

That baseline is now changing. Colorado has begun deliberately restoring wolves to its western mountains under a voter-driven mandate, and the occurrence data here is best read as the opening frame of that effort, not a settled range. As released animals pair off and pups are born, the map will fill in from the northwestern high country outward, and the extirpated ranking will eventually have to catch up to the animals on the ground.

Where things stand

For now a wild wolf sighting remains extraordinary, and most reliable location information flows through the state wildlife agency tracking collared animals rather than trailside luck. The wolf is native to Colorado, and after a long silence it is once again part of the state’s living fauna.

Gray Wolf in other states

View all states →

More mammals in Colorado 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"