About the authorship of Heterophasia desgodinsi (Aves, Passeriformes)

The black-headed sibia (Aves, Passeriformes, Leiothrichidae) was first described in the year 1877 as Sibia desgodinsi. The author of the article (Oustalet 1877) was Jean Frédéric Émile Oustalet (1844‒1905). Most subsequent works mentioned only Oustalet as author: for example Deigan et al. (1964: 418), Dickinson & Christidis (2014: 546), Clements et al. (2024), Gill et al. (2024) and Lepage (2024). Exception are Saunders (1879: 38), who used the authorship E. Oustalet & A. David, Rothschild (1926: 271), Riley (1926: 31), who placed the bird into Leioptila Blyth, 1847 (Blyth 1847: 449) as Leioptila desgodinsi, and Robinson & Kloss (1919: 586), who placed it into Malacias Cabanis, 1851 (Cabanis 1851:113) as Malacias desgodinsi.