The Antarctic blue whale can weigh up to 400,000 pounds and ... use echolocation to hunt their food with sound rather than ...

The huge whales can eat up to four tonnes of krill every day. Blue whales lunge through large swarms of krill with their mouths open, taking in more food in one mouthful than any other animal on Earth ...

A whale's diet depends on its suborder. But not all whales within each group eat exactly the same thing. Each species has a favourite food. And no matter where they are or what they eat, whales are ...

the female blue whale gives birth to a single calf on her return to the region. Female blue whales feed heavily in the summer because they largely refrain from eating when nursing their young.