Paxton, Charles G.M., Sharon l. Hedley, and John l. Bannister. “Group IV Humpback Whales: Their Status from Aerial and Landbased Surveys off Western Australia, 2005”. J. Cetacean Res. Manage., no. 3 (October 22, 2020): 223–234. Accessed September 28, 2025. https://journal-iwc-live.netxtra.dev/index.php/jcrm/article/view/325.