Ideopsis juventa
In 3 days ~20% in a week ~50%
Ideopsis juventa, the wood nymph, gray glassy tiger or grey glassy tiger, is a species of nymphalid butterfly in the Danainae subfamily. It is found in Southeast Asia. This butterfly is dark gray or black with two rows of circular white dots along the margins of its wings and elongated white patches closer to the body. The elongated white patches appear to radiate from the thorax. Wikipedia →
| # | Park | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Tangkoko Nature Reserve | 🇮🇩 Indonesia | |
| 2 | Bali Barat National Park | 🇮🇩 Indonesia |
With luck
About 10% of wildlife watchers report a Grey Glassy Tiger sighting in Manila on a given day, based on 9 verified sightings from GBIF citizen-science data. It is the 75th most-seen of the 122 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.
March
In that month about 20% of wildlife watchers report a Grey Glassy Tiger in Manila on a given day, against under 5% in April, June–July and December–January, the lowest months. That is one of Manila's driest months, with about 120 mm of rain against 390 mm in December.
Between 8 and 11 am
Across all the parks we cover, that three-hour window holds the most Grey Glassy Tiger sightings with a recorded time, and nearly all of them come between 6 am and 6 pm: it is a daytime animal.
3rd of 3
Of the 3 cities where we can rate Grey Glassy Tiger sightings, Manila ranks 3rd at about 10%. The best odds are in Jakarta (Indonesia, about 20%) and Denpasar (Indonesia, about 10%).
Same family: Nymphalidae
The closest relatives of the Grey Glassy Tiger that you can see in Manila (family Nymphalidae, Brush-footed Butterflies) are Great Eggfly (about 40%), Brown Pansy (about 40%) and Philippine Five-Ring (about 30%), with each one's daily chance of a sighting.
GBIF citizen-science records
It is estimated from how often the Grey Glassy Tiger is recorded against all the insects logged in Manila (9 verified sightings), 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.
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