Koski, W.R., Abgrall , P.A. and Yazvenko, S.B. 2023. An inventory and evaluation of unmanned aerial systems for offshore surveys of marine mammals. J. Cetacean Res. Manage. 11, 3 (Feb. 2023), 239–247. DOI:https://doi.org/10.47536/jcrm.v11i3.603.