What are the chances of seeing an Evergestis isatidalis in Sierra Nevada National Park?
With luck
About 10% of wildlife watchers report an Evergestis isatidalis sighting in Sierra Nevada National Park on a given day, based on 11 verified sightings from GBIF citizen-science data from 2019 to 2026. It is the 183rd most-seen of the 479 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.
When is the best time to see an Evergestis isatidalis in Sierra Nevada National Park?
December
In that month about 40% of wildlife watchers report an Evergestis isatidalis in Sierra Nevada National Park on a given day, against under 5% in March to August, the lowest months.
What time of day is best to see an Evergestis isatidalis?
Between 5 and 8 pm
Across all the parks we cover, that three-hour window holds the most Evergestis isatidalis sightings with a recorded time, and about 6 in 10 of them come between 6 pm and 6 am: it is most active around dawn and dusk.
Where else can you see an Evergestis isatidalis?
Only Sierra Nevada National Park, in our data
Sierra Nevada National Park is the only park on Wallace's Line with enough records to rate Evergestis isatidalis sightings: about 10% of wildlife watchers there report one on a given day.
Which relatives of the Evergestis isatidalis live in Sierra Nevada National Park?
Same family: Crambidae
The closest relatives of the Evergestis isatidalis that you can see in Sierra Nevada National Park (family Crambidae, Crambid Snout Moths) are Straw-Barred Pearl (about 20%), Pyrausta limbopunctalis (about 20%) and Wandering Sunset (about 20%), with each one's daily chance of a sighting.
Where does the Evergestis isatidalis sighting chance come from?
GBIF citizen-science records
It is estimated from how often the Evergestis isatidalis is recorded against all the insects logged in Sierra Nevada National Park (11 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.