Where are blue whales found?

The blue whale lineage diverged from the other rorquals during the Miocene, between 7.5 and 10.5 million years ago. However, gene flow between the species appears to have continued beyond that date. The blue whale has the greatest genetic diversity of any baleen whale, and a higher than average diversity among mammals. read more

Blue whales follow the food, and there is often more food in nutrient-rich upwelling zones on the edges of many land masses. The Northeastern Pacific along the coast of the Pacific Northwest of the United States is a good example of a super-rich upwelling zone, and Blue Whale sightings are frequent. read more

During certain times of the year, a single adult blue whale consumes about 4 tons of krill a day. Blue whales are baleen whales, which means they have fringed plates of fingernail-like material, called baleen, attached to their upper jaws. read more