What are the chances of seeing a Ruby-cheeked Sunbird in Cat Tien National Park?
Possible
About 20% of wildlife watchers report a Ruby-cheeked Sunbird sighting in Cat Tien National Park on a given day, based on 297 verified sightings from GBIF citizen-science data from 2019 to 2026. It is the 84th most-seen of the 244 birds we can rate there. Over three days the chance rises to about 50%, and over a week to about 80%, if each day is a fresh chance.
When is the best time to see a Ruby-cheeked Sunbird in Cat Tien National Park?
January and August
In those months about 30% of wildlife watchers report a Ruby-cheeked Sunbird in Cat Tien National Park on a given day, against about 10% in September, the lowest month.
What time of day is best to see a Ruby-cheeked Sunbird?
Between 3 and 6 am
Across all the parks we cover, that three-hour window holds the most Ruby-cheeked Sunbird 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 Cat Tien National Park the best place to see a Ruby-cheeked Sunbird?
5th of 20
Of the 20 parks where we can rate Ruby-cheeked Sunbird sightings, Cat Tien National Park ranks 5th at about 20%. The best odds are in Sepilok (Malaysia, about 30%), Way Kambas National Park (Indonesia, about 30%) and Kaeng Krachan National Park (Thailand, about 20%).
Which relatives of the Ruby-cheeked Sunbird live in Cat Tien National Park?
Same family: Nectariniidae
The closest relatives of the Ruby-cheeked Sunbird that you can see in Cat Tien National Park (family Nectariniidae, Sunbirds and Spiderhunters) are Little Spiderhunter (about 30%), Crimson Sunbird (about 10%) and Purple-naped Spiderhunter (about 10%), with each one's daily chance of a sighting.
Where does the Ruby-cheeked Sunbird sighting chance come from?
GBIF citizen-science records
It is estimated from how often the Ruby-cheeked Sunbird is recorded against all the birds logged in Cat Tien National Park (297 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.