Right whales or black whales are three species of large baleen whales of the genus Eubalaena: the North Atlantic right whale (E. glacialis), the North Pacific right whale (E. japonica) and the Southern right whale (E. australis). read more
The whales counted include Minke, Blue, Fin, Gray, Bowhead, Humpback, Right, Bryde's and Pilot. When estimating whale populations, scientists looked at sections of the world rather the entire world at once. read more