Initially, there was a large increase in krill, shortly followed by a leap in anchovy abundance. By comparison, blue and fin whale song rose primarily during the years where krill was more plentiful.

Blue whale births remain unseen because they occur in winter, when researchers typically aren't observing them. By the time ...

Only two blue whale births have ever been recorded in human ... In summer, blue whales migrate to feed in colder regions where krill is plentiful: for example, off California.

Only two blue whale births have ever been recorded in human ... In summer, blue whales migrate to feed in colder regions where krill is plentiful: for example, off California.