Pachycephala simplex
Silhouette: Sheatherius · PhyloPic
In 3 days ~40% in a week ~70%
The grey whistler (Pachycephala simplex) or brown whistler, is a species of bird in the family Pachycephalidae. It is found in northern Australia and New Guinea. Its natural habitats are subtropical or tropical moist lowland forest and subtropical or tropical mangrove forest.
Found on the Kai Islands (southwest of New Guinea) Found on western Papuan islands, Aru Islands and northwest New Guinea Found on Meos Num (Geelvink Bay northwest of New Guinea) Wikipedia →
| # | Park | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Raja Ampat | 🇮🇩 Indonesia | |
| 2 | Daintree National Park | 🇦🇺 Australia | |
| 3 | Kakadu National Park | 🇦🇺 Australia |
Possible
About 20% of wildlife watchers report a Grey Whistler sighting in Raja Ampat on a given day, based on 194 verified sightings from GBIF citizen-science data from 2019 to 2026. It is the 62nd most-seen of the 200 birds we can rate there. Over three days the chance rises to about 40%, and over a week to about 70%, if each day is a fresh chance.
July and November
In those months about 30% of wildlife watchers report a Grey Whistler in Raja Ampat on a given day, against under 5% in December and January, the lowest months.
Between 9 am and noon
Across all the parks we cover, that three-hour window holds the most Grey Whistler 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 Grey Whistler sightings, Raja Ampat has the highest daily chance: about 20%. Next come Daintree National Park (Australia, about 10%) and Kakadu National Park (Australia, under 5%).
GBIF citizen-science records
It is estimated from how often the Grey Whistler is recorded against all the birds logged in Raja Ampat (194 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.
