What are the chances of seeing a Black-nest Swiftlet in Jakarta?
Rare
Under 5% of wildlife watchers report a Black-nest Swiftlet sighting in Jakarta on a given day, based on 12 verified sightings from GBIF citizen-science data. It is the 118th most-seen of the 138 birds we can rate there. Over three days the chance rises to under 5%, and over a week to about 10%, if each day is a fresh chance.
When is the best time to see a Black-nest Swiftlet in Jakarta?
Any time of year
In every month with enough records, under 5% of wildlife watchers report a Black-nest Swiftlet in Jakarta on a given day, so our monthly data shows no clear season.
What time of day is best to see a Black-nest Swiftlet?
Between 3 and 6 pm
Across all the parks we cover, that three-hour window holds the most Black-nest Swiftlet sightings with a recorded time, and about 8 in 10 of them come between 6 am and 6 pm: it is a daytime animal.
Is Jakarta the best place to see a Black-nest Swiftlet?
3rd of 3
Of the 3 cities where we can rate Black-nest Swiftlet sightings, Jakarta ranks 3rd at under 5%. The best odds are in Yogyakarta (Indonesia, about 10%) and Kuching (Malaysia, about 10%).
Where does the Black-nest Swiftlet sighting chance come from?
GBIF citizen-science records
It is estimated from how often the Black-nest Swiftlet is recorded against all the birds logged in Jakarta (12 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.