Terinos terpander
In 3 days ~20% in a week ~40%
Terinos terpander, the royal Assyrian, is a butterfly in the family Nymphalidae. It was described by William Chapman Hewitson in 1862. It is found in the Indomalayan realm. It is the smallest species of the genus; at the same time it displays on the forewings the least-developed scent-patches; they not only begin beyond the cell, but do not flow together anteriorly, being represented along the upper radial by an isolated streak of thinly scattered scales. The hindwings are either orange-coloured in the distal half, or spotted with white in the anal area or they may be uniform blue, according to the locality. The under surface is red-brown, differing from all the other known species in being
adorned with very broad longitudinal fasciae of a vivid metallic gray lustre, which in some forms are accompanied on the hindwings by pure white submarginal bands. Wikipedia →
| # | Park | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Khao Luang National Park | 🇹🇭 Thailand | |
| 2 | Taman Negara National Park | 🇲🇾 Malaysia | |
| 3 | Gunung Leuser National Park | 🇮🇩 Indonesia |
| # | City | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Singapore | 🇸🇬 Singapore | |
| 2 | Kuala Lumpur | 🇲🇾 Malaysia |
With luck
About 10% of wildlife watchers report a Royal Assyrian sighting in Singapore on a given day, based on 230 verified sightings from GBIF citizen-science data. It is the 155th most-seen of the 1045 insects we can rate there. Over three days the chance rises to about 20%, and over a week to about 40%, if each day is a fresh chance.
September to July
In those months about 10% of wildlife watchers report a Royal Assyrian in Singapore on a given day, against under 5% in August, the lowest month.
Between 9 am and noon
Across all the parks we cover, that three-hour window holds the most Royal Assyrian sightings with a recorded time, and about 9 in 10 of them come between 6 am and 6 pm: it is a daytime animal.
Yes
Of the 2 cities where we can rate Royal Assyrian sightings, Singapore has the highest daily chance: about 10%. Next come Kuala Lumpur (Malaysia, about 10%).
Same family: Nymphalidae
The closest relatives of the Royal Assyrian that you can see in Singapore (family Nymphalidae, Brush-footed Butterflies) are Brown Pansy (about 40%), Plain Tiger Butterfly (about 30%) and Tawny Coster (about 30%), with each one's daily chance of a sighting.
GBIF citizen-science records
It is estimated from how often the Royal Assyrian is recorded against all the insects logged in Singapore (230 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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