Patterns and processes of diversification in a widespread and ecologically diverse avian group, the buteonine hawks (Aves, Accipitridae) - Amaral, Fábio Raposo do; Sheldon, Frederick H.; Gamauf, Anita; Haring, Elisabeth; Riesing, Martin; Silveira, Luís Fábio; Wajntal, Anita (Molecular Phylogenetics and Evolution, 2009)