While the head of Oligodon formosanus was inserted into the abdomen of Kaloula pulchra, the snake performed repeated rotations about its own longitudinal body axis. The frog and the anterior part of the snake are in the top of each photo, close to the plastic drinking straw. Left: dorsal surface uppermost. Right: ventral surface uppermost. Observation #2, Wang Tong, Lantau Island, Hong Kong, 2 October 2020. Photos (from video) JL.

 
 
  Part of: Bringsøe H, Suthanthangjai M, Suthanthangjai W, Lodder J, Komanasin N (2021) Gruesome twosome kukri rippers: Oligodon formosanus (Günther, 1872) and O. fasciolatus (Günther, 1864) eat Kaloula pulchra Gray, 1831 either by eviscerating or swallowing whole. Herpetozoa 34: 49-55. https://doi.org/10.3897/herpetozoa.34.e62688