Beaked whales can dive 2,000 metres below the ocean's surface. Why and how do they do it? Around 2,000 metres below the surface, the water is freezing, black and seemingly impenetrable. No light ...

More information: Michele Thums et al, Tracking pygmy blue whale diving behaviour and validation of foraging areas defined ...

The blue whale diving down at NMNH visitors has just such a throat. For the first decade or so of its display life, this was regarded as a lifelike touch. But by the late 1970s, an increase in ...

The blue whale is the biggest animal that has ... and even other whales and dolphins. Sperm whales dive up to 3,000 feet (900 m) below the ocean's surface to hunt for giant squid and other deep ...