Bryson, U., and D. M. Paijmans. “Plumage Maturation, Ageing and Moult of the Southern Pied Babbler Turdoides Bicolor”. Afrotropical Bird Biology:<Br /> Journal of the Natural History of African Birds, vol. 4, July 2024, https://journals.uct.ac.za/index.php/ABB/article/view/v4_3.