There are three species of bird named Troupial (Turpial in Spanish), formerly considered one species:

Troupial
The Troupial at Santa Barbara, Cal.
A Troupial Collected at Columbus, Ohio
NOTES ON THE BREEDING AND ROOSTING BIOLOGY OF TROUPIALS (ICTERUS ICTERUS) IN VENEZUELA
An asymmetrical bird-louse found on three different species of troupials
Use of Abandoned Cacique Nests by Nesting Troupials (Icterus icterus): Precursor to Parasitism?
First breeding record of the Orange-backed Troupial (Icterus croconotus strictifrons) for Argentina
New species of Isospora (Apicomplexa, Eimeriidae) from the troupial and white-edged oriole (Icterus spp.) (Aves, Passeriformes, Icte...
Fatal coccidiosis by Isospora icterus (Upton & Whitaker, 2000) in captive Campo Troupial (Icterus jamacaii) in Brazil.
Predation of Fledgling Warbling Silverbill, Lonchura malabarica (Aves: Estrildidae) by Troupial, Icterus icterus (Aves: Icteridae) i...