What are the chances of seeing a White-nest Swiftlet in Cần Thơ?
Likely
About 50% of wildlife watchers report a White-nest Swiftlet sighting in Cần Thơ on a given day, based on 38 verified sightings from GBIF citizen-science data. It is the 2nd most-seen of the 22 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.
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 Cần Thơ the best place to see a White-nest Swiftlet?
4th of 14
Of the 14 cities where we can rate White-nest Swiftlet sightings, Cần Thơ ranks 4th at about 50%. The best odds are in Đà Nẵng (Vietnam, about 90%), Phnom Penh (Cambodia, about 80%) and Ho Chi Minh City (Vietnam, about 70%).
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 Cần Thơ (38 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.