Elk are among the most frequently recorded large mammals in Arizona, with 3,828 records logged in state occurrence databases, nearly all of them iNaturalist photos. That volume reflects a genuine comeback: Arizona’s original elk were gone by the early 1900s, and every elk in the state today descends from animals brought in decades later.
Where the records concentrate
The record cluster sits hard in Coconino County, wrapping the San Francisco Peaks, the Grand Canyon’s forested rims, and the Mogollon Rim, then thins east into Gila and Apache counties and the White Mountains. Elk need montane meadow set against ponderosa pine and mixed conifer, grazing open grass at dawn and dusk before pulling back into timber, so they’re essentially unrecorded across the low Sonoran Desert basins that make up the state’s southwest.
A herd rebuilt from Yellowstone stock
Arizona’s native elk, a subspecies called Merriam’s elk, was hunted out by the early 1900s. The Rocky Mountain elk that fill the state’s high country now trace back to a 1913 release of Yellowstone stock, and their descendants have since spread through the Mogollon Rim country under close state management. That reintroduced history is why NatureServe doesn’t assign the Arizona herd a standard conservation rank at all.
Records climb into summer, not the fall rut
Reports rise sharply from February into a peak in June, then ease off through the second half of the year. That pattern tracks visitor traffic into the high country as much as elk behavior: Grand Canyon’s forested rims and the Kaibab Plateau see their heaviest foot traffic in the late spring and summer months, well before the September bugle most people associate with elk.
Status in Arizona
The Arizona herd is treated as native by USGS NAS and NatureServe, even though it was rebuilt from out-of-state Yellowstone elk after the original subspecies disappeared. NatureServe lists it as SNA, Not Applicable, a rank reserved for reintroduced or intensively managed herds rather than a self-sustaining wild lineage assessed on its own terms.




