
Harris' Antelope Squirrel (Ammospermophilus harrisii) is in the Squirrels family (Sciuridae). Across the U.S., iNaturalist users have logged 2,929 research-grade observations of it in our sample, peaking in April.
Seasonal pattern in the national data: year-round resident. Counts also reflect when people are out photographing, so compare months within a state rather than across states.
When to photograph Harris' Antelope Squirrel: observations by month (U.S.)
About Harris' Antelope Squirrel
Harris's antelope squirrel (Ammospermophilus harrisii) is a species of rodent in the family Sciuridae. It is found in Arizona and New Mexico in the United States, and in Sonora in Mexico. They are adapted to hot weather conditions including a technique called "heat dumping". They have a wide ranging diet, including both vegetation, insects, small rodents and carrion.From Wikipedia via iNaturalist — article, CC BY-SA.
Harris' Antelope Squirrel by state
| State | Observations | Peak month | Main season |
|---|---|---|---|
| Arizona | 2,912 | April | Jan–Aug |
| New Mexico | 16 | April | Mar–Sep |
Main season = months with at least 30% of the state's peak-month count.
Related mammals (Squirrels)

Eastern Gray Squirrel

Eastern Fox Squirrel
Eastern Chipmunk

California Ground Squirrel

Groundhog

American Red Squirrel
Common Golden-mantled Ground Squirrel

Western Gray Squirrel
Photography tips
- Keep a legal and safe distance: 100 yards from bears and wolves and 25 yards from other large animals in national parks.
- Dawn and dusk are peak activity times for most mammals.
- Use your car as a blind on wildlife drives.
FAQ
When is the best time to photograph Harris' Antelope Squirrel?
Nationally, April has the most observations, with the main season from January to August.
Where is Harris' Antelope Squirrel most often seen?
The most observations come from Arizona, New Mexico.