Rusty Mouse-Warbler

Rusty Mouse-Warbler

Crateroscelis murina

Silhouette: Sheatherius · PhyloPic

Daily sighting probability ~20% · Possible
at Raja Ampat

In 3 days ~50% in a week ~80%

196 Verified sightings at Raja Ampat From 2019 to 2026
196 In 1 park
August Best month
☀️🌙 Day & Night When it's spotted

About the Rusty Mouse-Warbler

The rusty mouse-warbler (Origma murina), is a species of bird in the family Acanthizidae. It is found in Indonesia and Papua New Guinea, in a 1,270,000 km² distribution. Its natural habitats are subtropical or tropical moist lowland forests and subtropical or tropical moist montane forests.

This species was formerly placed in the genus Crateroscelis, but following the publication of a molecular phylogenetic study of the scrubwrens and mouse-warblers in 2018, it was moved to the genus Origma. Wikipedia →

Sounds

Recording0:10

Indonesia · 2022

© Jonathan M · iNaturalist · CC BY-NC 4.0

Recording0:08

Indonesia · 2025

© Christine McCormack · iNaturalist · CC BY-NC 4.0

Global Distribution

Parks Where Found

# Park Country Daily sighting probability
1 Raja Ampat 🇮🇩 Indonesia
~20%

More parks will be added in future updates.

Before you go

What are the chances of seeing a Rusty Mouse-Warbler in Raja Ampat?

Possible

About 20% of wildlife watchers report a Rusty Mouse-Warbler sighting in Raja Ampat on a given day, based on 196 verified sightings from GBIF citizen-science data from 2019 to 2026. It is the 58th most-seen of the 200 birds we can rate there. Over three days the chance rises to about 50%, and over a week to about 80%, if each day is a fresh chance.

When is the best time to see a Rusty Mouse-Warbler in Raja Ampat?

August

In that month about 30% of wildlife watchers report a Rusty Mouse-Warbler in Raja Ampat on a given day, against under 5% in April, the lowest month.

What time of day is best to see a Rusty Mouse-Warbler?

Between 9 am and noon

Across all the parks we cover, that three-hour window holds the most Rusty Mouse-Warbler sightings with a recorded time, and about 6 in 10 of them come between 6 am and 6 pm: it is seen both by day and at night.

Where else can you see a Rusty Mouse-Warbler?

Only Raja Ampat, in our data

Raja Ampat is the only park on Wallace's Line with enough records to rate Rusty Mouse-Warbler sightings: about 20% of wildlife watchers there report one on a given day.

Which relatives of the Rusty Mouse-Warbler live in Raja Ampat?

Same family: Acanthizidae

The closest relatives of the Rusty Mouse-Warbler that you can see in Raja Ampat (family Acanthizidae, Thornbills and Allies) are Green-backed Gerygone (about 30%), Pale-Billed Scrubwren (about 10%) and Fairy Gerygone (about 10%), with each one's daily chance of a sighting.

Where does the Rusty Mouse-Warbler sighting chance come from?

GBIF citizen-science records

It is estimated from how often the Rusty Mouse-Warbler is recorded against all the birds logged in Raja Ampat (196 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.

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