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

A group of adult humpback whales (Megaptera novaeangliae) co-operatively "bubble-net" feeding near the charter yacht Safari Spirit along the west side of Chatham Strait in Southeast Alaska, USA. Pacific Ocean. This group started feeding together with only

Humpback Whales (Megaptera novaeangliae) Aerial view of adults preparing to dive in order to cooperatively bubble-net feed in Southeast Alaska, USA. Pacific Ocean. Note the expanded ventral pleats as well as the baleen hanging from the upper jaws.

A group of adult humpback whales (Megaptera novaeangliae) co-operatively "bubble-net" feeding in Snow Pass in Southeast Alaska, USA. Pacific Ocean. Shown here is a close up of a whale forcing water out through its baleen plates, leaving the prey (herring)

Humpback Whales (Megaptera novaeangliae) Aerial view of adult s preparing to dive in order to cooperatively bubble-net feed in Southeast Alaska, USA. Pacific Ocean. Note the expanded ventral pleats as well as the baleen hanging from the upper jaws.

Humpback Whales (Megaptera novaeangliae). Aerial view of adults co-operatively bubble-net feeding. Gulf of Maine, USA (rr)