Nacaduba calauria
In 3 days ~10% in a week ~20%
Nacaduba calauria, the dark Ceylon six-lineblue, is a species of lycaenid butterfly found in Indomalayan realm. and New Guinea. Wikipedia →
| # | Park | Country | Daily sighting probability |
|---|
More parks will be added in future updates.
| # | City | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Singapore | 🇸🇬 Singapore |
Rare
Under 5% of wildlife watchers report a Dark Malayan Sixline Blue sighting in Singapore on a given day, based on 28 verified sightings from GBIF citizen-science data. It is the 470th most-seen of the 1045 insects we can rate there. Over three days the chance rises to about 10%, and over a week to about 20%, if each day is a fresh chance.
Any time of year
In every month with enough records, under 5% of wildlife watchers report a Dark Malayan Sixline Blue in Singapore on a given day, so our monthly data shows no clear season.
Only Singapore, in our data
Singapore is the only city on Wallace's Line with enough records to rate Dark Malayan Sixline Blue sightings: under 5% of wildlife watchers there report one on a given day.
Same genus: Nacaduba
The closest relatives of the Dark Malayan Sixline Blue that you can see in Singapore (genus Nacaduba) are Rounded Sixline Blue (about 10%), Transparent 6-Line Blue (about 10%) and Large Fourline Blue (about 10%), with each one's daily chance of a sighting.
GBIF citizen-science records
It is estimated from how often the Dark Malayan Sixline Blue is recorded against all the insects logged in Singapore (28 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.
