What are the chances of seeing a Teratozephyrus arisanus in Taroko National Park?
With luck
About 10% of wildlife watchers report a Teratozephyrus arisanus sighting in Taroko National Park on a given day, based on 17 verified sightings from GBIF citizen-science data from 2019 to 2026. It is the 240th most-seen of the 447 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 a Teratozephyrus arisanus in Taroko National Park?
July
In that month about 30% of wildlife watchers report a Teratozephyrus arisanus in Taroko National Park on a given day, against under 5% in September to June, the lowest months.
What time of day is best to see a Teratozephyrus arisanus?
Between 6 and 9 am
Across all the parks we cover, that three-hour window holds the most Teratozephyrus arisanus sightings with a recorded time, and about 6 in 10 of them come between 6 am and 6 pm: it is most active around dawn and dusk.
Where else can you see a Teratozephyrus arisanus?
Only Taroko National Park, in our data
Taroko National Park is the only park on Wallace's Line with enough records to rate Teratozephyrus arisanus sightings: about 10% of wildlife watchers there report one on a given day.
Which relatives of the Teratozephyrus arisanus live in Taroko National Park?
Same family: Lycaenidae
The closest relatives of the Teratozephyrus arisanus that you can see in Taroko National Park (family Lycaenidae, Gossamer-winged Butterflies) are Burmese Bushblue (about 20%), Common Line Blue (about 20%) and Celastrina oreas (about 10%), with each one's daily chance of a sighting.
Where does the Teratozephyrus arisanus sighting chance come from?
GBIF citizen-science records
It is estimated from how often the Teratozephyrus arisanus is recorded against all the insects logged in Taroko National Park (17 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.