What are the chances of seeing a White-nest Swiftlet in Bali Barat National Park?
Likely
About 40% of wildlife watchers report a White-nest Swiftlet sighting in Bali Barat National Park on a given day, based on 486 verified sightings from GBIF citizen-science data from 2019 to 2026. It is the 24th most-seen of the 173 birds we can rate there. Over three days the chance rises to about 80%, and over a week to over 90%, if each day is a fresh chance.
When is the best time to see a White-nest Swiftlet in Bali Barat National Park?
May to August
In those months about 50% of wildlife watchers report a White-nest Swiftlet in Bali Barat National Park on a given day, against about 20% in October, the lowest month. Those are among Bali Barat National Park's driest months, with about 40 mm of rain a month against 280 mm in February.
What time of day is best to see a White-nest Swiftlet?
Between 1 and 4 am
Across all the parks we cover, that three-hour window holds the most White-nest Swiftlet sightings with a recorded time, and about 6 in 10 of them come between 6 pm and 6 am: it is most active around dawn and dusk.
Is Bali Barat National Park the best place to see a White-nest Swiftlet?
4th of 19
Of the 19 parks where we can rate White-nest Swiftlet sightings, Bali Barat National Park ranks 4th at about 40%. The best odds are in Cat Tien National Park (Vietnam, about 60%), Khao Luang National Park (Thailand, about 50%) and Khao Sok National Park (Thailand, about 40%). All parks ranked.
Which relatives of the White-nest Swiftlet live in Bali Barat National Park?
Same family: Apodidae
The closest relatives of the White-nest Swiftlet that you can see in Bali Barat National Park (family Apodidae, Swifts) are Cave Swiftlet (about 70%), House Swift (about 20%) and Pacific Swift (about 10%), with each one's daily chance of a sighting.
Where does the White-nest Swiftlet sighting chance come from?
GBIF citizen-science records
It is estimated from how often the White-nest Swiftlet is recorded against all the birds logged in Bali Barat National Park (486 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.