What are the chances of seeing a Black Bulbul in Cuc Phuong National Park?
Rare
Under 5% of wildlife watchers report a Black Bulbul sighting in Cuc Phuong National Park on a given day, based on 10 verified sightings from GBIF citizen-science data from 2019 to 2026. It is the 121st most-seen of the 159 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 Black Bulbul in Cuc Phuong National Park?
March and April
In those months about 10% of wildlife watchers report a Black Bulbul in Cuc Phuong National Park on a given day, against under 5% in May–June and August–February, the lowest months. Those are among Cuc Phuong National Park's driest months, with about 95 mm of rain a month against 390 mm in August. July has too few records to rate.
What time of day is best to see a Black Bulbul?
Between 3 and 6 pm
Across all the parks we cover, that three-hour window holds the most Black Bulbul sightings with a recorded time, and about 9 in 10 of them come between 6 am and 6 pm: it is a daytime animal.
Is Cuc Phuong National Park the best place to see a Black Bulbul?
9th of 12
Of the 12 parks where we can rate Black Bulbul sightings, Cuc Phuong National Park ranks 9th at under 5%. The best odds are in Royal Manas National Park (Bhutan, about 50%), Taroko National Park (Taiwan, about 30%) and Doi Inthanon National Park (Thailand, about 20%). All parks ranked.
Which relatives of the Black Bulbul live in Cuc Phuong National Park?
Same family: Pycnonotidae
The closest relatives of the Black Bulbul that you can see in Cuc Phuong National Park (family Pycnonotidae, Bulbuls) are Black-crested Bulbul (about 50%), Puff-throated Bulbul (about 50%) and Stripe-throated Bulbul (about 30%), with each one's daily chance of a sighting.
Where does the Black Bulbul sighting chance come from?
GBIF citizen-science records
It is estimated from how often the Black Bulbul is recorded against all the birds logged in Cuc Phuong National Park (10 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.