Kazabazua Dec 31, 1969 The Blue Whale Balaenoptera musculus is a marine mammal belonging to the suborder of baleen whales. At up to 30 metres in length and 140 tonnes or more in weight, it is believed to be the largest animal ever to have lived on Earth
The Blue Whale Balaenoptera musculus is a marine mammal belonging to the suborder of baleen whales. At up to 30 metres in length and 140 tonnes or more in weight, it is believed to be the largest animal ever to have lived on Earth
