What are the chances of seeing a Great Eared-Nightjar in Cat Tien National Park?
Possible
About 30% of wildlife watchers report a Great Eared-Nightjar sighting in Cat Tien National Park on a given day, based on 436 verified sightings from GBIF citizen-science data from 2019 to 2026. It is the 56th most-seen of the 244 birds we can rate there. Over three days the chance rises to about 60%, and over a week to about 90%, if each day is a fresh chance.
When is the best time to see a Great Eared-Nightjar in Cat Tien National Park?
February and March
In those months about 40% of wildlife watchers report a Great Eared-Nightjar in Cat Tien National Park on a given day, against about 10% in July and August, the lowest months. Those are among Cat Tien National Park's driest months, with about 20 mm of rain a month against 490 mm in July.
What time of day is best to see a Great Eared-Nightjar?
Between 11 am and 2 pm
Across all the parks we cover, that three-hour window holds the most Great Eared-Nightjar sightings with a recorded time, and about 7 in 10 of them come between 6 am and 6 pm: it is a daytime animal.
Is Cat Tien National Park the best place to see a Great Eared-Nightjar?
Yes
Of the 5 parks where we can rate Great Eared-Nightjar sightings, Cat Tien National Park has the highest daily chance: about 30%. Next come Tangkoko Nature Reserve (Indonesia, about 20%) and Khao Yai National Park (Thailand, about 20%).
Where does the Great Eared-Nightjar sighting chance come from?
GBIF citizen-science records
It is estimated from how often the Great Eared-Nightjar is recorded against all the birds logged in Cat Tien National Park (436 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.