Citation:
Corfield JR, Birkhead T, Spottiswoode CN, Iwaniuk AN, Boogert NJ, Gutierrez-Ibanez C, Overington SE, Wylie DR, Lefebvre L. Brain size and morphology of the brood parasitic and cerophagous honeyguides (Aves: Piciformes). Brain Behav Evol. 2013;81:170-186.