Humpback whale Megaptera novaeangliae flukes-up dive in the Weddell Sea near the Antarctic Peninsula, Antarctica, Southern Ocean. Humpback whale Megaptera novaeangliae flukes-up dive in the Weddell Sea near the Antarctic Peninsula, Antarctica, Southern Ocean MORE INFO Humpbacks feed only in summer, in polar waters, and migrate to tropical or sub-tropical waters to breed and give birth in the winter The species´ diet consists mostly of krill and small fish Humpback whale populations in Antarct