Two Humpback Whales (Megaptera novaeangliae) surfacing in Southeast Alaska, USA. Pacific Ocean.

Adult humpback whale fluke-up dive in Frederick Sound, southeast Alaska, USA.

Adult humpback whale (Megaptera novaeangliae) breaching in Southeast Alaska, USA. Pacific Ocean.

Three adult Humpback Whales (Megaptera novaeangliae) surfacing in Frederick Sound, Southeast Alaska, USA. Pacific Ocean. (rr)

Humpback Whale (Megaptera novaeangliae) Adult fluke-up dive in Southeast Alaska, USA. Pacific Ocean.

Humpback Whale (Megaptera novaeangliae) fluke-up dive (note the Orca tooth rake marks on the right side of the tail) Icy Strait, Southeast Alaska, USA.

Adult Humpback Whales (Megaptera novaeangliae) cooperatively bubble-net feeding in Stephens Passage, Southeast Alaska, USA. Pacific Ocean.

Adult Humpback Whale (Megaptera novaeangliae) breaching in Stephens Passage, Southeast Alaska, USA. Pacific Ocean.

Humpback Whale (Megaptera novaeangliae) Adult fluke-up dive AuAu Channel, Maui, Hawaii, USA. Pacific Ocean.

Two adult humpback whales (Megaptera novaeangliae) diving in Windham Bay in Southeast Alaska, USA. Pacific Ocean.

Adult humpback whale (Megaptera novaeangliae) fluke-up dive in the middle of a group of bubble-net feeding humpback whales. Chatham Strait in Southestern Alaska, USA. Pacific Ocean.

Pacific humpback whale adult, Megaptera novaeangliae, fluke-up dive in the Au Au Channel near Maui, Hawaii

Adult Humpback Whale (Megaptera novaeangliae) breaching off Point Adolphus in Southeast Alaska, USA. Pacific Ocean.

Humpback Whale (Megaptera novaeangliae) flicking flukes. Chatham Straits, S. E. Alaska

Humpback Whale (Megaptera novaeangliae) lobtailing. Icy Straits, S. E. Alaska

Humpback whale, (Megaptera novaeangliae), calf breaching as mother flukes up, Monterey Bay, California, USA

Humpback Whale (Megaptera novaeangliae) lobtailing. Icy Straits, S. E. Alaska

Adult Humpback Whale (Megaptera novaeangliae) fluke-up dive in Icy Straits, Southeast Alaska, USA. Pacific Ocean.