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

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

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

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

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

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

Adult humpback whales (Megaptera novaeangliae) cooperative bubble-net feeding in Iyoukeen Bay, southeast Alaska, USA.

Humpback Whale (Megaptera novaeangliae) tail-throw in Southeast Alaska, USA. T

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

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.

Humpback whale calf (Megaptera novaeangliae) breaching in Southeast Alaska, USA. Pacific Ocean.

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

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

Humpback Whale (Megaptera novaeangliae) breaching after co-operatively bubble-net feeding in Stephen's Passage, Southeast Alaska, USA. Pacific Ocean.

Humpback Whales (Megaptera novaeangliae) co-operatively bubble-net feeding in Stephen's Passage, Southeast Alaska, USA. Pacific Ocean.

Humpback Whales (Megaptera novaeangliae) co-operatively bubble-net feeding in Stephen's Passage, Southeast Alaska, USA. Pacific Ocean.

Humpback Whale (Megaptera novaeangliae) calf breaching in Hobart Bay, Southeast Alaska, USA. Pacific Ocean.

Humpback Whales (Megaptera novaeangliae) co-operatively bubble-net feeding in Stephen's Passage, Southeast Alaska, USA. Pacific Ocean.

Humpback Whale (Megaptera novaeangliae) surfacing in mist in Hobart Bay, Southeast Alaska, USA. Pacific Ocean.

Humpback Whale (Megaptera novaeangliae) calf breaching in Hobart Bay, Southeast Alaska, USA. Pacific Ocean.

Humpback Whales (Megaptera novaeangliae) co-operatively bubble-net feeding near whale watching boat (note the herring jumping to get away inside the whales mouth) in Stephen's Passage, Southeast Alaska, USA. Pacific Ocean.

Humpback Whales (Megaptera novaeangliae) co-operatively bubble-net feeding near the Safari Quest in Chatham Strait in Southeast Alaska, USA. Pacific Ocean.

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