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How do whales survive off of eating krill?

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In a nutshell, whales, some of the largest creatures on the planet, can survive by eating krill because they eat so many of them. To put ... How do whales, some of the biggest creatures on the planet, survive by feeding on krill, some of the smallest? ... First off, while it's true that whales eat krill, that's not the only thing they eat. read more

This is how whales can easily eat a few tons of krill every day. In a nutshell, whales, some of the largest creatures on the planet, can survive by eating krill because they eat so many of them. To put this in perspective, consider a single grain of rice, which is positively puny in comparison to a human. read more

Whales belong to one of two main subcategories: toothed and baleen. Whales with teeth prey on fish, squid and other ocean life. Baleen whales, also called filter feeders, eat a diet largely consisting of krill, along with plankton and other tiny marine organisms. read more

The toothed whales get faster, more agile, and generally harder to catch. The balene whales get so large it is impossible to kill them. Sharks get larger too, whales get even larger, sharks get larger, whales get even more large. read more

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