Odontocetes, or whales with teeth, use echolocation to hunt their food with sound rather than sight. They eat squid, octopus, fish, prawns, crustaceans and other marine mammals, sucking in their ...

Whales are always on the move, so they have to eat a lot to keep them going. Fortunately, the ocean offers a range of dining options. All whales are divided into two suborders: Odontoceti (those that ...

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 ...

Animals need to eat to stay alive. Animals convert food into energy which helps them move and grow. The largest animal on Earth, the blue whale which is a carnivore, can eat up to six tons of ...

since bigger animals lose heat more slowly than smaller ones do. Whales eat a variety of prey. The size of their meals depends on if they have teeth. Some whales, like sperm whales and beaked ...

Many people refer to orcas as “killer whales“, and for good reason. They are the ultimate top dogs of the ocean, able to take down large whales and even great white sharks! But what about humans — ...