The Blue Whale
The blue whale is an amazing animal. This whale can grow to a length of 110 ft. and weigh 190 tons, but on the average it is much smaller. Blue whales eat krill, a tiny shrimp-like creature. A medium-sized blue whale can eat over 4 tons of krill in a single day. Blue whales are found in all oceans of the world. Most populations migrate very long distances. Blue whales were heavily hunted for oil, baleen, meat, and other products from the 1930s to the 1960s. It nearly caused the extinction of the species. They are now protected. The blue whale is classified as an endangered species.
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