Tag: blue whales

Blue whales ‘hedge their bets’ in search for food: study

WASHINGTON, United States (AFP) — Every spring, the largest animals in the world, blue whales, migrate from their winter breeding grounds off of Costa Rica to the coast of the Pacific Northwest of the United States. They are in search of their favorite food, the tiny crustaceans known as krill. Scientists have long tracked the migration of the behemoths, which can weigh well over 100 tons, but could not explain how they chose their itinerary. […]

Antarctic blue whales belong to three populations: study

SYDNEY, Australia (AFP) — Antarctic blue whales, the largest creatures on the planet, likely belong to three populations that feed alongside each other but breed in separate oceans, according to Australian-led research published Wednesday. Using the largest data set ever obtained from the critically endangered subspecies, the study in the Scientific Reports journal seeks to shed light on blue whale populations to aid their conservation. “We found genetic evidence that there are three groups of […]