What are the chances of seeing a Sooty-headed Bulbul in Hanoi?
Likely
About 60% of wildlife watchers report a Sooty-headed Bulbul sighting in Hanoi on a given day, based on 190 verified sightings from GBIF citizen-science data. It is the 6th most-seen of the 97 birds we can rate there. Over three days the chance rises to about 90%, and over a week to over 90%, if each day is a fresh chance.
When is the best time to see a Sooty-headed Bulbul in Hanoi?
September and November
In those months about 80% of wildlife watchers report a Sooty-headed Bulbul in Hanoi on a given day, against about 30% in May, the lowest month.
What time of day is best to see a Sooty-headed Bulbul?
Between 7 and 10 am
Across all the parks we cover, that three-hour window holds the most Sooty-headed 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 Hanoi the best place to see a Sooty-headed Bulbul?
Yes
Of the 17 cities where we can rate Sooty-headed Bulbul sightings, Hanoi has the highest daily chance: about 60%. Next come Xiuying District (China, about 50%) and Kunming (China, about 40%).
Which relatives of the Sooty-headed Bulbul live in Hanoi?
Same genus: Pycnonotus
The closest relatives of the Sooty-headed Bulbul that you can see in Hanoi (genus Pycnonotus, Typical Bulbuls) are Red-whiskered Bulbul (about 70%) and Light-vented Bulbul (about 30%), with each one's daily chance of a sighting.
Where does the Sooty-headed Bulbul sighting chance come from?
GBIF citizen-science records
It is estimated from how often the Sooty-headed Bulbul is recorded against all the birds logged in Hanoi (190 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.