What are the chances of seeing a White-nest Swiftlet in Ho Chi Minh City?
Very likely
About 70% of wildlife watchers report a White-nest Swiftlet sighting in Ho Chi Minh City on a given day, based on 422 verified sightings from GBIF citizen-science data. It is the 5th most-seen of the 103 birds we can rate there. Over three days the chance rises to over 90%, if each day is a fresh chance.
When is the best time to see a White-nest Swiftlet in Ho Chi Minh City?
June
In that month about 90% of wildlife watchers report a White-nest Swiftlet in Ho Chi Minh City on a given day, against about 40% in August, the lowest month. That is one of Ho Chi Minh City's wettest months, with about 210 mm of rain against 5 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 Ho Chi Minh City the best place to see a White-nest Swiftlet?
3rd of 14
Of the 14 cities where we can rate White-nest Swiftlet sightings, Ho Chi Minh City ranks 3rd at about 70%. The best odds are in Đà Nẵng (Vietnam, about 90%) and Phnom Penh (Cambodia, about 80%).
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 Ho Chi Minh City (422 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.