Oustalet's tyrannulet (Phylloscartes oustaleti) is a species of bird in the family Tyrannidae. It is endemic to Brazil. Its natural habitat is subtropical or tropical moist lowland forests. It is becoming rare due to habitat loss.
References
^BirdLife International (2016). "Phylloscartes oustaleti". IUCN Red List of Threatened Species. 2016: e.T22699509A93734913. doi:10.2305/IUCN.UK.2016-3.RLTS.T22699509A93734913.en. Retrieved 13 November 2021.
