CyberTracker was an invaluable tool for this paper on “Animal Counting Toolkit: a practical guide to small-boat surveys for estimating abundance of coastal marine mammals” by Rob Williams, Erin Ashe, Katie Gaut, Rowenna Gryba, Jeffrey E. Moore, Eric Rexstad, Doug Sandilands, Justin Steventon, Randall R. Reeves (2017). Endang Species Res.
Another paper on Killer Whales “Animal behaviour and marine protected areas: incorporating behavioural data into the selection of marine protected areas for an endangered killer whale population” by E. Ashe, D. P. Noren & R. Williams. Animal Conservation 13 (2010) 196–203.