@article{Bussière_Underhill_2012, title={Snake in the grass… birds mob Puff Adder}, url={https://journals.uct.ac.za/index.php/BO/article/view/146}, abstractNote={Mixed flocks of birds mobbing snakes is a phenomenon that is often talked about but not frequently observed, and even more rarely photographed. These paragraphs and photographs document an incident which took place at Tswalu Kalahari Reserve in the Northern Cape at 10:40 on 26 May 2012.}, journal={Biodiversity Observations}, author={Bussière, Elsa and Underhill, Les G}, year={2012}, month={Jul.}, pages={53–55} }