Humpback Whale breaching (Megaptera novaeangliae). Tenakee Inlet, S. E. Alaska

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

Humpback Whale (Megaptera novaeangliae) cooperatively bubble-net feeding (extreme detail, note baleen plates in upper jaw) in Chatham Strait, Southeast Alaska, USA.

Humpback whales (Megaptera novaeangliae) co-operatively bubble-net feeding (note the baleen hanging from the upper jaws) Chatham Strait. Southeast Alaska, USA, Pacific coast

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.

An adult humpback whale breaching (Megaptera novaeangliae) after dissaffiliating from a group co-operatively "bubble-net" feeding along the west side of Chatham Strait in Southeast Alaska, USA. Pacific Ocean.

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

Humpback Whales (Megaptera novaeangliae) Aerial view of adults co-operatively bubble-net feeding. Chatham Strait, 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. Shown here is an adult tail-throwing after a bubble-net set.

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. Shown here is an adult fluke-up diving after a bubble-net set.

An adult humpback whale repeatedly tail-lobbing in the inverted position (Megaptera novaeangliae) after dissaffiliating from a group co-operatively "bubble-net" feeding whales along the west side of Chatham Strait in 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. This group started feeding together with only six animals and ended up with sixtee

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