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

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

Humpback Whales (Megaptera novaeangliae) surfacing in Hobart Bay, 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, Frederick Sound, Southeast Alaska, USA. Pacific Ocean.

Adult humpback whale (Megaptera novaeangliae) surfacing in the mist shrouded waters of Hobart Bay, Southeast Alaska, USA. Pacific Ocean.

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

Humpback whales (Megaptera novaeangliae) co-operatively bubble-net feeding in Stephens Passage, Southeast Alaska, USA. Pacific Ocean.

Adult humpback whale (Megaptera novaeangliae) tail throw beside the charter yacht Safari Spirit in Chatham Strait, Southeast Alaska, USA. Pacific Ocean. Not property released. (rr)

Humpback Whales (Megaptera novaeangliae) cooperatively bubble-net feeding in Chatham Strait, Southeast Alaska, USA.

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

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

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

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

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

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

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 Whale (Megaptera novaeangliae) sounding and researchers. Alaska

Humpback whale (Megaptera novaeangliae) tail lobbing / tail throw. Hawaii, USA.

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