Blue whales surely are the most interesting creatures on Earth. They are the largest animals existent and their huge weights can really impress. In fact, blue whales are not only the largest animals known today, but they also are the largest ones that have ever existed on the face of Earth. Due to their huge dimensions, blue whales can only live in oceans and they tend to swim in groups. Well, despite the fact that they grow up to impressive weight, blue whales are some of the fasted swimmers from all aquatic animals, this aspect being quite curious if we keep in mind how big they are. Mostly, blue whales are going to swim in groups.

Blue whales can have up to 100 feet (30 meters) and they can weigh up to 200 tones. In fact, a very interesting thing about blue whales is that only their tongue has such an impressive weight, that is can equal the one of an elephant. A blue whale will most likely eat about 4 tones of foods a day. Blue whales feeding habits include krill and plankton. In fact, the krill, a type of ocean creature, is the most preferred meal of blue whales. And since these mammals like krill so much, they can eat up to 10 tones of krill a day. Specialists say that the stomach of blue whales can hold more than 1,000 kg of foods. The way blue whales feed themselves is also really interesting. So, you should know that blue whales are actually able to eat with the help of ocean water, as they swallow the foods along with the water.

In their normal eating habits, blue whales need more than 3 million calories a day. To catch the prey, blue whales are going to swim very close to the surface of the water. Anyway, you should keep in mind that these are only the general facts about the eating habits of a blue whale. Most likely, they are going to include variations depending on the area in which blue whales live and the availability of feeding options there.