Humpback Whales (Megaptera novaeangliae) Adults cooperatively bubble-net feeding. Iyoukeen Bay, southeast Alaska, USA.

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

Adult humpback whales (Megaptera novaeangliae) cooperatively bubble-net feeding near Freshwater Bay on Chichagof Island in Southeast Alaska, USA. Pacific Ocean. This event lasted over two hours with as many as 12 whales and as few as 10 in any given bubbl

Adult humpback whales (Megaptera novaeangliae) cooperatively bubble-net feeding near Freshwater Bay on Chichagof Island in Southeast Alaska, USA. Pacific Ocean. This event lasted over two hours with as many as 12 whales and as few as 10 in any given bubbl

Adult humpback whale (Megaptera novaeangliae) cooperatively bubble-net feeding in Southeast Alaska, USA. Pacific Ocean. Note the expanded ventral pleats as well as the baleen hanging from the upper jaws.

Adult humpback whale (Megaptera novaeangliae) breaching and head-lunging along the eastern shore of Chichagof Island in Southeastern Alaska, USA. Pacific Ocean. This animal may be breaching as part of a display after leaving a bubble-net feeding group wit

Adult humpback whale (Megaptera novaeangliae) breaching and head-lunging along the eastern shore of Chichagof Island in Southeastern Alaska, USA. Pacific Ocean. This animal may be breaching as part of a display after leaving a bubble-net feeding group wit

Adult humpback whale (Megaptera novaeangliae) breaching and head-lunging along the eastern shore of Chichagof Island in Southeastern Alaska, USA. Pacific Ocean. This animal may be breaching as part of a display after leaving a bubble-net feeding group wit

Adult humpback whale (Megaptera novaeangliae) breaching and head-lunging along the eastern shore of Chichagof Island in Southeastern Alaska, USA. Pacific Ocean. This animal may be breaching as part of a display after leaving a bubble-net feeding group wit

Adult humpback whale (Megaptera novaeangliae) breaching and head-lunging along the eastern shore of Chichagof Island in Southeastern Alaska, USA. Pacific Ocean. This animal may be breaching as part of a display after leaving a bubble-net feeding group wit

Adult humpback whale (Megaptera novaeangliae) breaching and head-lunging along the eastern shore of Chichagof Island in Southeastern Alaska, USA. Pacific Ocean. This animal may be breaching as part of a display after leaving a bubble-net feeding group wit

Adult humpback whale (Megaptera novaeangliae) breaching and head-lunging along the eastern shore of Chichagof Island in Southeastern Alaska, USA. Pacific Ocean. This animal may be breaching as part of a display after leaving a bubble-net feeding group wit

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.

Adult Humpback Whales (Megaptera novaeangliae) cooperative bubble-net feeding for herring in Iyoukeen Bay, Chichagof Island, Southeast Alaska.