| Subject | French | English |
| ornit. | gaucho argentin | gray-bellied shrike-tyrant (Agriornis microptera) |
| ornit. | gaucho de Kittlitz | Kittlitz's shrike-tyrant (Agriornis livida) |
| ornit. | gaucho de Kittlitz | great shrike-tyrant (Agriornis livida) |
| ornit. | gaucho montagnard | mountain shrike-tyrant (Agriornis montana) |
| ornit. | gaucho montagnard | black-billed shrike-tyrant (Agriornis montana) |
| ornit. | gaucho souris | mouse-brown monjita (Xolmis murina) |
| ornit. | gaucho souris | mouse-brown shrike-tyrant (Xolmis murina) |
| ornit. | gaucho souris | brown monjita (Xolmis murina) |
| nat.res. | gaucho à bec noir | Black-billed Shrike-tyrant (Agriornis montana) |
| ornit. | gaucho à queue blanche | white-tailed shrike-tyrant (Agriornis albicauda) |