Sperm whales are the largest animals on earth. A sperm whale can eat up to 1500 kg of feed per day. Males up to 18 meters long and weighs 54,000 kg, children 12 meters long and weighs 17,000 kg. A sperm whale billion generated a calf every 5-7 years after a pregnancy 14-19thang. The lifespan of sperm whales was 60 or 70 years. We have the largest brain of any mammal
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