Arizelocichla striifacies
In 3 days ~60% in a week ~90%
The olive-headed greenbul (Arizelocichla striifacies) is a species of the bulbul family of passerine birds. It is native to the eastern Afromontane. Wikipedia →
| # | Park | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Arusha National Park | 🇹🇿 Tanzania | |
| 2 | Mkomazi National Park | 🇹🇿 Tanzania | |
| 3 | Ngorongoro Conservation Area | 🇹🇿 Tanzania |
Possible
About 30% of wildlife watchers report an Olive-headed Greenbul sighting in Arusha National Park on a given day, based on 185 verified sightings from GBIF citizen-science data from 2019 to 2026. It is the 63rd most-seen of the 373 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.
September
In that month about 50% of wildlife watchers report an Olive-headed Greenbul in Arusha National Park on a given day, against about 20% in June, August and December–February, the lowest months. That is one of Arusha National Park's driest months, with about 65 mm of rain against 440 mm in April.
Between 8 and 11 am
Across all the parks we cover, that three-hour window holds the most Olive-headed Greenbul sightings with a recorded time, and about 9 in 10 of them come between 6 am and 6 pm: it is a daytime animal.
Yes
Of the 3 parks where we can rate Olive-headed Greenbul sightings, Arusha National Park has the highest daily chance: about 30%. Next come Mkomazi National Park (Tanzania, about 20%) and Ngorongoro Conservation Area (Tanzania, under 5%).
GBIF citizen-science records
It is estimated from how often the Olive-headed Greenbul is recorded against all the birds logged in Arusha National Park (185 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.
