Mehta, A. V.; Allen, J. M.; Constantine, R.; Garrigue, C.; Jann, B.; Jenner, C.; Marx, M. K.; Matkin, C. O. et al. (2007). "Baleen whales are not important as prey for orcas (Orcinus orca) in high latitudes". Marine Ecology Progress Series348: 297–307. doi:10.3354/meps07015. ISSN0171-8630.
Pitman, R.; Fearnbach, H.; LeDuc, R.; Gilpatrick, J. W.; Ford, J. K. B.; Balance, L. T. (2023). "Killer whales preying on a blue whale calf on the Costa Rica Dome: Genetics, morphometrics, vocalizations and composition of the group". Journal of Cetacean Research and Management9 (2): 151–158. doi:10.47536/jcrm.v9i2.683.
Mehta, A. V.; Allen, J. M.; Constantine, R.; Garrigue, C.; Jann, B.; Jenner, C.; Marx, M. K.; Matkin, C. O. et al. (2007). "Baleen whales are not important as prey for orcas (Orcinus orca) in high latitudes". Marine Ecology Progress Series348: 297–307. doi:10.3354/meps07015. ISSN0171-8630.
ziyouz.com
n.ziyouz.com
„Koʻk kit“ OʻzME. K-harfi Birinchi jild. Toshkent, 2000-yil