Whales are a group of mammals that live in oceans. They include some of the largest animals on Earth. The blue whale is the ...

Blue whales migrate during summer to feed in colder regions where krill is plentiful, like in the waters off California. They return to warmer regions such as the Gulf of California and the eastern ...

Blue whales exclusively feed on krill, a food source that is abundant in the ocean but also in very high demand. In order to compete with other species for this precious food, it helps to have a ...

“One big difference is that whales are often traveling thousands of miles across ocean basins–great whales undertake the longest migration of any mammal,” says Roman. “So they connect areas close to ...

Specifically, they feed in deeper waters and then release ... over long distances from higher latitudes to lower latitudes: blue whales, fin whales, gray whales, humpback whales, and North ...

The calves are born in fall and winter and weaned before they return to feeding areas, study co-author Trevor Branch from the ...