Adult Pacific Humpback Whales, Megaptera novaeangliae, cooperatively bubble-net feeding, Southeast Alaska

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

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.

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

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

Sub-adult Humpback Whale, Megaptera novaeangliae, surface lunge-feeding on krill in northern Gulf of California, Mexico

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

A group of adult humpback whales (Megaptera novaeangliae) co-operatively "bubble-net" feeding along the west side of Chatham Strait in Southeast Alaska, USA. Pacific Ocean.

Humpback Whale (Megaptera novaeangliae) Adult breaching. Frederick Sound, Southeast Alaska, USA. Pacific Ocean.

Adult humpback whales (Megaptera novaeangliae) cooperatively bubble-net feeding in Freshwater Bay on Chichagof Island in Southeast Alaska, USA. Pacific Ocean. This event lasted over three hours with as many as 16 whales and as few as 12 in any given bubbl

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

Humpback Whales feeding (Megaptera novaeangliae). Frederick Sd, S. E. Alaska

Adult humpback whale (Megaptera novaeangliae) fluke-up dive in Frederick Sound, Southeast Alaska, USA. Pacific Ocean.

Humpback Whale feeding (Megaptera novaeangliae). Chatham Strait, S. E. Alaska

Humpback Whales feeding (Megaptera novaeangliae). Tenakee Inlet, S. E. Alaska

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

Adult Humpback Whale, Megaptera novaeangliae, lunge feeding in calm water, Frederick Sound, Alaska