It is found in Indonesia, Malaysia, and the Philippines. Its natural habitats are subtropical or tropical moist lowland forests and subtropical or tropical moist montane forests.
The Mountain Leaf Warbler is classified as Least Concern. Does not qualify for a more at risk category. Widespread and abundant taxa are included in this category.
Mountain Leaf Warbler Phylloscopus trivirgatus parvirostris - Adult with prey Mountain Leaf Warbler Photographer : More