Humpback Whales (Megaptera novaeangliae) cooperatively bubble-net feeding in Chatham Strait (upper jaw and baleen detail) in Southeast Alaska, USA. Pacific Ocean.

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

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

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

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

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

Humpback Whale (Megaptera novaeangliae) Calf breaching/head-lunging. Chatham Strait, Southeast Alaska, USA. Pacific Ocean.

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

Humpback Whale (Megaptera novaeangliae) tail-slapping near researchers. Chatham Strait, Southeast Alaska, USA.

Humpback Whale (Megaptera novaeangliae) Adult fluke-up dive in 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) co-operatively bubble-net feeding (note the baleen hanging from the upper jaws) Chatham Strait, Southeast Alaska, USA, Pacific coast

Humpback whale (Megaptera novaeangliae) fluking up to dive. Alaska

Humpback whales (Megaptera novaeangliae) fluking up to dive. Alaska

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

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

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

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

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

Humpback whale, (Megaptera novaeangliae) diving with California sea lions, (Zalophus californianus) following and feeding together, Monterey Bay, California, USA

Humpback Whale (Megaptera novaeangliae) fluke-up dive Chatham Strait, Southeast Alaska, USA