J. Denkinger, A. B. Douglas, D. . Biggs, R. Sears, M. Narvaez, and D. E. Alarcon, “Year-round presence of Northern and Southern Hemisphere blue whales (Balaenoptera musculus) at the Galapagos Archipelago”, jcrm, vol. 24, no. 1, pp. 63–76, Apr. 2023.