Biak Leaf Warbler
Phylloscopus misoriensis
The Biak Leaf Warbler (Phylloscopus misoriensis) is a legendary leaf warbler found only in Indonesia, weighing about 11 g. The Biak leaf warbler is a species of Old World warbler in the family Phylloscopidae.



About the Biak Leaf Warbler
The Biak leaf warbler is a species of Old World warbler in the family Phylloscopidae. It is only found in Biak, Indonesia.
Text adapted from Wikipedia, licensed CC BY-SA 4.0.
Where it lives
When to see it
Best months: June, July, August, September, October, November, December, with peak activity in August. It is a winter visitor species across most of its range.
Easily confused with
Quick questions
- What does a Biak Leaf Warbler look like?
- The Biak leaf warbler is a species of Old World warbler in the family Phylloscopidae.
- How big is a Biak Leaf Warbler?
- The Biak Leaf Warbler is a tiny sized bird weighing about 11 g.
- Where can you see a Biak Leaf Warbler?
- The Biak Leaf Warbler is endemic to Indonesia, which is the only country where it occurs.
- What birds look similar to a Biak Leaf Warbler?
- The Biak Leaf Warbler is most easily confused with the Makira Leaf Warbler, the Kolombangara Leaf Warbler and the Rote Leaf Warbler.
- Is the Biak Leaf Warbler endangered?
- The Biak Leaf Warbler is listed as Near Threatened on the IUCN Red List.
Learn the Biak Leaf Warbler for real
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