Verissimo, D., J.-C. Cugnière, S. Cugnière, J. Cugnière, G. Cugnière, and L. Cugnière. “Record Number of Yellow-Billed Oxpeckers Buphagus Africanus Linnaeus, 1766 (Aves: Passeriformes: Buphagidae) Foraging on a Single Host”. Journal of Threatened Taxa, vol. 9, no. 1, Jan. 2017, pp. 9768-70, doi:10.11609/jott.3055.9.1.9768-9770.