Blue whales eat krill - tiny, shrimp-like crustaceans that live throughout Earth's oceans. The huge whales can eat up to four tonnes of krill every day. Blue whales lunge through large swarms of krill ...

A new study shows that the mere presence of poop prompted the crustaceans to launch into evasive maneuvers. New research ...

These colossal cetaceans often reach 30 metres in length and can weigh up to 180 tonnes - so they need to eat a lot to keep them swimming. But despite their enormous size, blue whales feed almost ...

While blue whales only eat krill, humpback whales eat krill and small schooling fish such as anchovy. If the prey species are more abundant and more densely concentrated, whales can forage more ...

Krill and shrimp may have vaguely similar body shapes, but they're separated by a world of differences in terms of anatomy ...

The whales eat krill and fish that can aggregate in massive schools. However, their diets are distinct. While blue whales only eat krill, humpback whales eat krill and small schooling fish such as ...

The whales eat krill and fish that can aggregate in massive schools. However, their diets are distinct. While blue whales only eat krill, humpback whales eat krill and small schooling fish such as ...

The length of a blue whale - 30 metres - is equivalent to a class of children or three buses. Whales eat krill. Each mouthful is 40,000 litres. A blue whale is equivalent in weight to 25 elephants ...

When krill numbers fell again, so did the whales’ songs. Unlike blue whales, humpback whales can also eat anchovies and sardines, and their choruses returned when there was a population ...