What are the chances of seeing a Purple Leaf Blue in Cat Tien National Park?
With luck
About 10% of wildlife watchers report a Purple Leaf Blue sighting in Cat Tien National Park on a given day, based on 6 verified sightings from GBIF citizen-science data from 2019 to 2026. It is the 108th most-seen of the 125 insects we can rate there. Over three days the chance rises to about 30%, and over a week to about 50%, if each day is a fresh chance.
When is the best time to see a Purple Leaf Blue in Cat Tien National Park?
April and December–January
In those months about 20% of wildlife watchers report a Purple Leaf Blue in Cat Tien National Park on a given day, against under 5% in February–March, May and July–November, the lowest months. Those are among Cat Tien National Park's driest months, with about 55 mm of rain a month against 490 mm in July.
What time of day is best to see a Purple Leaf Blue?
Between 7 and 10 am
Across all the parks we cover, that three-hour window holds the most Purple Leaf Blue sightings with a recorded time, and about 8 in 10 of them come between 6 am and 6 pm: it is a daytime animal.
Where else can you see a Purple Leaf Blue?
Only Cat Tien National Park, in our data
Cat Tien National Park is the only park on Wallace's Line with enough records to rate Purple Leaf Blue sightings: about 10% of wildlife watchers there report one on a given day.
Which relatives of the Purple Leaf Blue live in Cat Tien National Park?
Same family: Lycaenidae
The closest relatives of the Purple Leaf Blue that you can see in Cat Tien National Park (family Lycaenidae, Gossamer-winged Butterflies) are Common Imperial (about 20%), Common Pierrot (about 20%) and Plains Cupid (about 20%), with each one's daily chance of a sighting.
Where does the Purple Leaf Blue sighting chance come from?
GBIF citizen-science records
It is estimated from how often the Purple Leaf Blue is recorded against all the insects logged in Cat Tien National Park (6 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.