So colossal are these majestic marine mammals, their hearts alone weigh as much as a car.
Blue whale size
Learn about the blue whale - the largest creature on the planet. Facts about blue whales include the blue whale's size, diet and conservation status.
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The blue whale is the largest animal alive today. Depending on the location, blue whales can grow to be 33 meters feet) and weigh as much as 181 metric tons.They can live to be 90 years old and ingest about metric tons of krill each day.