Hunted nearly to extinction during 20th century whaling, the Antarctic blue whale, the world's largest animal, went from a population size of roughly 200,000 to little more than 300.

Yet it's the sound they make, not their size, which gives their location ... for and tracking the elusive ocean giants. "Antarctic blue whales are critically endangered, and this makes them ...

Antarctic: the coldest place on Earth ... Because krill are so small (around the size of a paper clip), blue whales eat up to 3600 kg (570 st) of them a day. Its a good job there is an abundance ...

Today most great whale species in the Southern Ocean remain severely depleted when compared with pre-whaling levels. More than 200,000 Antarctic blue whales used to live in the Southern Ocean – but ...

Argentina will make available a Coast Guard vessel in support of the ‘Antarctic Blue Whale Project’ and associated research activities planned for the 201314 season and coming years ...