What are the chances of seeing a Yellow-vented Bulbul in Cat Tien National Park?
Rare
Under 5% of wildlife watchers report a Yellow-vented Bulbul sighting in Cat Tien National Park on a given day, based on 40 verified sightings from GBIF citizen-science data from 2019 to 2026. It is the 186th most-seen of the 244 birds we can rate there. Over three days the chance rises to about 10%, and over a week to about 20%, if each day is a fresh chance.
When is the best time to see a Yellow-vented Bulbul in Cat Tien National Park?
May to July
In those months about 10% of wildlife watchers report a Yellow-vented Bulbul in Cat Tien National Park on a given day, against under 5% in August to April, the lowest months. Those are among Cat Tien National Park's wettest months, with about 360 mm of rain a month against 15 mm in February.
What time of day is best to see a Yellow-vented Bulbul?
Between 1 and 4 am
Across all the parks we cover, that three-hour window holds the most Yellow-vented Bulbul 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 Yellow-vented Bulbul?
16th of 18
Of the 18 parks where we can rate Yellow-vented Bulbul sightings, Cat Tien National Park ranks 16th at under 5%. The best odds are in Bali Barat National Park (Indonesia, about 80%), Sepilok (Malaysia, about 50%) and Way Kambas National Park (Indonesia, about 50%). All parks ranked.
Which relatives of the Yellow-vented Bulbul live in Cat Tien National Park?
Same genus: Pycnonotus
The closest relatives of the Yellow-vented Bulbul that you can see in Cat Tien National Park (genus Pycnonotus, Typical Bulbuls) are Ayeyarwady Bulbul (about 70%), Stripe-throated Bulbul (about 70%) and Black-crested Bulbul (about 40%), with each one's daily chance of a sighting.
Where does the Yellow-vented Bulbul sighting chance come from?
GBIF citizen-science records
It is estimated from how often the Yellow-vented Bulbul is recorded against all the birds logged in Cat Tien National Park (40 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.