The largest known animal to ever exist on Earth - the Antarctic blue whale - uses New Zealand waters as an important migratory route, scientists have just reported. Photo / Wikimedia CommonsThe largest known animal to ever exist on Earth - with hearts the size of small cars - uses New Zealand waters as an important migratory route. Reaching up to 30m in length and weighing up to 200 tonnes, Antarctic blue whales are larger than the biggest dinosaurs ever were. Reaching up to 30m in length and weighing up to 200 tonnes, Antarctic blue whales are larger than the biggest dinosaurs ever were. Over 106 days, a total of 20,751 blue whale calls were detected, with both of the sub-species turning up at all of the locations.

Source: New Zealand Herald January 12, 2021 23:02 UTC