This small bird lives on Mindanao in the Philippines. The Mindanao population, formerly treated as a subspecies of a close relative, is grayer above and pale yellow-gray to greenish olive below.
The Mindanao population formerly called Micromacronus leytensis sordidus is grayer than the nominate form and pale yellow-gray to greenish olive below. Its slender horn-gray bill has a paler base.
It gleans small invertebrates in trees in dense forest.
An extinction-risk assessment has not been added yet.