Engelbrecht, Derek, and Joe Grosel. “Vocalisations and Seasonal Variation in Singing and Aerial Displays of the Short-Clawed Lark Certhilauda Chuana”. Afrotropical Bird Biology:<br /> Journal of the Natural History of African Birds 2 (April 22, 2022). Accessed April 20, 2024. https://journals.uct.ac.za/index.php/ABB/article/view/1098.