Guzzi, Anderson, et al. “COMPARATIVE ANALYSIS OF THE CRANIAL OSTEOLOGY AND EVOLUTIONARY TRAITS OF Micrastur Gilvicollis, Micrastur Ruficollis AND Micrastur Semitorquatus (AVES: FALCONIFORMES)”. Revista Nordestina De Zoologia, vol. 8, no. 1, Feb. 2014, pp. 70-88, doi:10.65259/rnzool.v8i1.62.