Chlosyne acastus
In 3 days ~30% in a week ~60%
Chlosyne acastus, the sagebrush checkerspot, is a butterfly of the family Nymphalidae that is found in North America. They range from western United States east to Nebraska and north to southern Alberta. Wikipedia →
| # | Park | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Death Valley National Park | 🇺🇸 United States | |
| 2 | Joshua Tree National Park | 🇺🇸 United States | |
| 3 | Zion National Park | 🇺🇸 United States | |
| 4 | Grand Canyon National Park | 🇺🇸 United States |
With luck
About 10% of wildlife watchers report a Sagebrush Checkerspot sighting in Zion National Park on a given day, based on 19 verified sightings from GBIF citizen-science data from 2019 to 2026. It is the 28th most-seen of the 114 insects we can rate there. Over three days the chance rises to about 30%, and over a week to about 60%, if each day is a fresh chance.
May
In that month about 30% of wildlife watchers report a Sagebrush Checkerspot in Zion National Park on a given day, against under 5% in July to February, the lowest months. That is one of Zion National Park's driest months, with about 20 mm of rain against 75 mm in March.
Between 9 am and noon
Across all the parks we cover, that three-hour window holds the most Sagebrush Checkerspot sightings with a recorded time, and nearly all of them come between 6 am and 6 pm: it is a daytime animal.
3rd of 4
Of the 4 parks where we can rate Sagebrush Checkerspot sightings, Zion National Park ranks 3rd at about 10%. The best odds are in Death Valley National Park (United States, about 30%) and Joshua Tree National Park (United States, about 30%).
Same family: Nymphalidae
The closest relatives of the Sagebrush Checkerspot that you can see in Zion National Park (family Nymphalidae, Brush-footed Butterflies) are Limenitis bredowii (about 40%), Weidemeyer's Admiral (about 20%) and Mourning Cloak (about 20%), with each one's daily chance of a sighting.
GBIF citizen-science records
It is estimated from how often the Sagebrush Checkerspot is recorded against all the insects logged in Zion National Park (19 verified sightings from 2019 to 2026), calibrated against known sighting rates. Figures are rounded to the nearest 10% because citizen-science data supports honest approximations, not decimals, and months with records from fewer than five people show "—". How it works.
