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A blue whale can weigh as much as 200 short tons (400,000 lbs). An adult blue whale can weigh up to around 180 metric tons (400,000lbs). A blue whale can weigh as much as 200 short tons (400,000 lbs).An adult blue whale can weigh up to around 180 metric tons (400,000lbs). A blue whale calve can weigh up to 2.7 metric tons (almost 6000lbs)
True's beaked whales are little known members of the beaked whale family (Ziphiidae). As adults, True's beaked whales can reach lengths of 15.5-17.5 ft (4.8-5.4 m) and weigh at least 2,200-3,000 lbs (1,020-1,400 kg). Females may be slightly larger than males.