@article {2185,
	title = {Nesting, behavior, distribution, and speciation of Patagonian and Andean Ground Tyrants (Myiotheretes, Xolmis, Neoxolmis, Agriornis, and Muscisaxicola)},
	journal = {Ornitolog{\'{\i}a Neotropical},
	volume = {5},
	year = {1994},
	pages = {1-55},
	author = {F. Vuilleumier}
}
