Barshep, Yahkat, Ulf Ottosson, Jonas Waldenström, and Mark Hulme. “Non-Breeding Ecology of the Whinchat Saxicola Rubetra in Nigeria”. Ornis Svecica 22, no. 1–2 (January 1, 2012): 25–32. Accessed May 16, 2022. https://journals.lub.lu.se/os/article/view/22591.