After having spent summer in the polar regions of the Antarctic, gorging on tonnes of krill freed from the ice floes in spring, humpback whales embark on an instinct-driven migration that is vital for their survival.
The ocean was full of energy. We were escorted by hundreds of dolphins; foam at the surface revealed several fins among the frenzy of birds. All the region’s predators seemed to have gotten the same invitation to join the party.
[ed.— Black water diving is essentially diving over the abyss in open water at night, often far from shore, with the black depths of the sea underneath, in order to observe small critters like zooplankton and invertebrates.]