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Category:Animals
Subcategory:Marine Life
Subcategory Detail:
Keywords:Alaska, bubble-net feeding, Humpback, Humpback whales, Inside Passage, Chatham Strait, Juneau, bubble-net, whales, bubblenet feeding
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Dimensions4536 x 3024
Original file size5.49 MB
Image typeJPEG
Color spacesRGB
Humpback whales bubble-net feeding

Humpback Whale Pec Slapping

Humpback whales bubble-net feeding - Chatham Strait / Inside Passage outside of Juneau, Alaska

Pec slapping was common. Whether they were playing, beckoning others, or trying to get the barnacles off of their fins; it was always impressive to see a fin of up to 15 feet emerge with ease above the surface.

Only performed by a small number of humpbacks, bubble-net feeding is a true joy to observe. One whale calls to the others and choreographs the dance to herd herring into a tight ball by blowing bubbles around them (effectively creating a "net" around the herring). Other whales use their pectoral fins ("pec flappers") to further scare the herring into an even tighter ball. When they're ready, the humpbacks swim through the center of the ball, gorging themselves and filling their food pouches on the bait ball. They filter the fish through their baleen plates and then erupt through the surface with an incredible display of strength and beauty.

I traveled to Juneau as part of an expedition guided by wildlife photographer Jon Cornforth. As a small group, we spent 9 days on a 42-foot Nordic Tug cruising the Inside Passage to find groups of humpbacks performing this cooperative feeding technique. Jon's skills and knowledge of the area gave us superb viewing and opportunities to witness this truly amazing sight.

For more information: Alaska Whale Foundation, humpback whale, Cornforth Photography Tours