Sub-species: Rhytipterna simplex frederici | vissiá | Grayish Mourner Date: 1936-04-27 Country: Brasil
Institution: Museu de Zoologia de São Paulo Collection: Coleção de Aves do MZUSP Basis of record: Preserved specimen Catalogue number: birdsMZUSP:23538 View record
Sub-species: Rhytipterna simplex frederici | vissiá | Grayish Mourner Date: 1936-06-15 Country: Brasil
Institution: Museu de Zoologia de São Paulo Collection: Coleção de Aves do MZUSP Basis of record: Preserved specimen Catalogue number: birdsMZUSP:18740 View record
Sub-species: Rhytipterna simplex frederici | vissiá | Grayish Mourner Date: 1936-12-14 Country: Brasil
Institution: Museu de Zoologia de São Paulo Collection: Coleção de Aves do MZUSP Basis of record: Preserved specimen Catalogue number: birdsMZUSP:23613 View record