Oncostoma is a genus of bird in the family Tyrannidae. It contains the following species: \n* Northern bentbill (Oncostoma cinereigulare) \n* Southern bentbill (Oncostoma olivaceum)
Species taxanomy provided by GBIF Secretariat (2022). GBIF Backbone Taxonomy. Checklist dataset https://doi.org/10.15468/39omei accessed via GBIF.org on 2023-06-13; License: CC BY 4.0