Espen Bergersen / Aerial shot of a group of Humpback whales (Megaptera novaeangliae) lunge feeding in a shoal of Atlantic herring (Clupea harengus) with some fish jumping out of the water, one whale creating a bubble n...

Paul Souders/ Worldfoto / Humpback Whale (Megaptera novaeangliae) pod cooperative bubble-net feeding, Frederick Sound, Alaska

Paul Souders/ Worldfoto / Humpback Whale (Megaptera novaeangliae) pod cooperative bubble-net feeding, Frederick Sound, Alaska

Espen Bergersen / Humpback whales (Megaptera novaeangliae) bubble net / lunge feeding on herring (Clupea harengus) at dusk, pod co-operative feeding, Kvaloya, Troms, Norway, November

Tony Wu / Humpback whales (Megaptera novaeangliae) bubble net feeding with mouths open at surface, example of cooperative hunting, Chatham Strait, Alaska, USA July

Cheryl-Samantha Owen / A hoop net with West coast rock lobster (Jasus lalandii) being pulled up in sea kayak for recreational fishing. Kommetjie, Western Cape, South Africa

Mark Carwardine / Two Humpback whales (Megaptera novaeangliae) bubble-net feeding very close to shore, Great Bear Rainforest, British Columbia, Canada, Endangered or threatened species (Vulnerable)

Mitsuaki Iwago / Humpback Whale (Megaptera novaeangliae) group bubble net feeding, Alaska

Michio Hoshino / Humpback Whale (Megaptera novaeangliae) group cooperatively bubble-net feeding, Alaska

Tony Wu / Humpback whales (Megaptera novaeangliae) engaged in bubble net feeding. Alaska, USA, July.

Tony Wu / Humpback whales (Megaptera novaeangliae kuzira) engaged in bubble-net feeding, highlighted by the warm light of a late summer evening. Kupreanof Island, Alaska, USA. July.

Paul Souders/ Worldfoto / Humpback Whale (Megaptera novaeangliae) pod cooperative bubble-net feeding, Frederick Sound, Alaska