What are the chances of seeing an Esper's Alpine Swift Moth in Triglav National Park?
With luck
About 10% of wildlife watchers report an Esper's Alpine Swift Moth sighting in Triglav National Park on a given day, based on 5 verified sightings from GBIF citizen-science data from 2019 to 2026. It is the 230th most-seen of the 260 insects we can rate there. Over three days the chance rises to about 20%, and over a week to about 50%, if each day is a fresh chance.
When is the best time to see an Esper's Alpine Swift Moth in Triglav National Park?
July
In that month about 20% of wildlife watchers report an Esper's Alpine Swift Moth in Triglav National Park on a given day, against under 5% in August to June, the lowest months.
Where else can you see an Esper's Alpine Swift Moth?
Only Triglav National Park, in our data
Triglav National Park is the only park on Wallace's Line with enough records to rate Esper's Alpine Swift Moth sightings: about 10% of wildlife watchers there report one on a given day.
Which relatives of the Esper's Alpine Swift Moth live in Triglav National Park?
Same order: Lepidoptera
The closest relatives of the Esper's Alpine Swift Moth that you can see in Triglav National Park (order Lepidoptera, Butterflies and Moths) are Silver-Washed Fritillary (about 60%), Marbled White (about 40%) and Nine-Spotted Moth (about 40%), with each one's daily chance of a sighting.
Where does the Esper's Alpine Swift Moth sighting chance come from?
GBIF citizen-science records
It is estimated from how often the Esper's Alpine Swift Moth is recorded against all the insects logged in Triglav National Park (5 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.