What made you want to look up nates? Please tell us where you read or heard it (including the quote, if possible).
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)
Southern Ocean,Antarctica. The largest animal on Earth based on weight is the blue whale (Balaenoptera musculus), which can weigh up to 160 tonnes (352,000 lb). Its average length is 24 m (80 ft), but it is not the longest animal on Earth.