Tony Wu / Humpback whale (Megaptera novaeangliae australis) female with suckling calf. Vava'u Islands, Tonga.

Tony Wu / Humpback whale (Megaptera novaeangliae australis) male calf playing at ocean surface after coming up to breathe. Vava'u Islands, Tonga.

Jordi Chias / Humpback whale (Megaptera novaeangliae), Antarctic Peninsula, Antarctica.

Jordi Chias / Humpback whale (Megaptera novaeangliae) spyhopping, Antarctic Peninsula, Antarctica.

Jordi Chias / Humpback whale (Megaptera novaeangliae) spyhoping, Antarctic Peninsula, Antarctica.

Jordi Chias / Humpback whale (Megaptera novaeangliae) fluke Antarctic Peninsula, Antarctica.

Jordi Chias / Humpback whale (Megaptera novaeangliae) diving, tail fluke, Antarctic Peninsula, Antarctica.

Jordi Chias / Humpback whale (Megaptera novaeangliae), adult and baby at surface, Antarctic Peninsula, Antarctica.

Jordi Chias / Humpback whale (Megaptera novaeangliae) surfacing with baby and blowing, Antarctic Peninsula, Antarctica.

Tony Wu / Humpback whale (Megaptera novaeangliae) lying on its side while executing a series of pectoral fin slaps on ocean surface. Vava'u, Tonga, South Pacific.

Tony Wu / Humpback whale (Megaptera novaeangliae australis) female breaching. Vava'u, Tonga. Pacific Ocean.

Tony Wu / Humpback whale calf (Megaptera novaeangliae australis) female nudging her mother's mammary gland whilst trying to feed. Vava;u, Tonga, South Pacific.

Tony Wu / North Pacific humpback whale (Megaptera novaeangliae kuzira) breaching, Icy Strait, Alaska, USA. July.

Espen Bergersen / Humpback whales (Megaptera novaeangliae) showing tail fluke when they dive. Kvanangen, Troms, Norway. December

Espen Bergersen / Humpback whale (Megaptera novaeangliae) feeding around herring fishing vessel. Kvanangen, Troms, Norway. November

Espen Bergersen / Humpback whale (Megaptera novaeangliae) diving. In background a diving boat and 3 divers visible in the water. Kvanangen, Troms, Norway. November

Espen Bergersen / Humpback whale (Megaptera novaeangliae) showing tail fluke as it dives. Kvanangen, Troms, Norway. November

Espen Bergersen / Humpback whales (Megaptera novaeangliae). Kvanangen, Troms, Norway. November

Espen Bergersen / Humpback whale (Megaptera novaeangliae) showing tail fluke as it dives. Kvanangen, Troms, Norway. December

Espen Bergersen / Aerial shot of a fishing boat catching Atlantic herring (Clupea harenguis), with Killer whales (Orcinus orca) and Humpback whales (Megaptera novaeangliae) swimming around the boat and large numbers of...

Espen Bergersen / Aerial shot of a fishing boat catching Atlantic herring (Clupea harenguis), with Killer whales (Orcinus orca) and Humpback whales (Megaptera novaeangliae) swimming around the boats and large numbers o...

Espen Bergersen / Aerial shot of a huge shoal of Atlantic herring (Clupea harenguis), with a Humpback whale (Megaptera novaeangliae) nearby, Sommaroy, Troms. Norway, January.

Espen Bergersen / Aerial shot of five Humpback whales (Megaptera novaeangliae) lunge feeding in a shoal of Atlantic herring (Clupea harengus) with some fish jumping out of the water, Troms, Norway, January.

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...

Espen Bergersen / Aerial shot of five Humpback whales (Megaptera novaeangliae) lunge feeding in a shoal of Atlantic herring (Clupea harengus) with some fish jumping out of the water, Troms, Norway, January.

Espen Bergersen / Aerial shot of Humpback whales (Megaptera novaeangliae) lunge feeding in a shoal of Atlantic herring (Clupea harengus), Troms, Norway, January.

Espen Bergersen / Aerial shot of four Humpback whales (Megaptera novaeangliae) lunge feeding in a shoal of Atlantic herring (Clupea harengus) with some fish jumping out of the water, Troms, Norway, January.

Espen Bergersen / Aerial shot of four Humpback whales (Megaptera novaeangliae) lunge feeding in a shoal of Atlantic herring (Clupea harengus) with some fish jumping out of the water, Troms, Norway, January.

Espen Bergersen / Aerial shot of four Humpback whales (Megaptera novaeangliae) lunge feeding in a shoal of Atlantic herring (Clupea harengus) with some fish jumping out of the water, Troms, Norway, January.

Espen Bergersen / Aerial shot of four Humpback whales (Megaptera novaeangliae) swimming near to a shoal of Atlantic herring (Clupea harengus), Troms, Norway, January.

Espen Bergersen / Aerial shot of four Humpback whales (Megaptera novaeangliae) lunge feeding in a shoal of Atlantic herring (Clupea harengus) with some fish jumping out of the water, Troms, Norway, January.

Espen Bergersen / Aerial shot of a Humpback whale (Megaptera novaeangliae) swimming showing belly, Troms, Norway, January.

Espen Bergersen / Aerial shot of a Humpback whale (Megaptera novaeangliae) showing belly and blowing, Troms, Norway, January.

Espen Bergersen / Aerial shot of a Humpback whale (Megaptera novaeangliae) diving and showing tail fluke, Troms, Norway, January.

Espen Bergersen / Aerial shot of a large group of Humpback whales (Megaptera novaeangliae), Troms, Norway, January.

Espen Bergersen / Aerial shot of a large group of Humpback whales (Megaptera novaeangliae), Troms, Norway, January.

Espen Bergersen / Aerial shot of two Humpback whales (Megaptera novaeangliae) coming to the surface to breathe, Sommaroy, Troms, Norway, January.

Espen Bergersen / Aerial shot of a female Humpback whale (Megaptera novaeangliae) and calf surrounded by Killer whales (Orcinus orca), mother hits sideways with her tail fluke to drive Killer whales away, Skjervoy, Tro...

David Pattyn / Humpback whale (Megaptera novaeangliae) breaching in front of a tourist boat, Puerto Lopez , Santa Elena Peninsula, Manabi Province, Ecuador, July

David Pattyn / Humpback whale (Megaptera novaeangliae) two breaching at the same time together, Puerto Lopez , Santa Elena Peninsula, Manabi Province, Ecuador, July, Puerto Lopez , Santa Elena Peninsula, Manabi Prov...

David Fleetham / Humpback whale (Megaptera novaeangliae) breaching, watched by paddle boarder. Canoe Beach, Maui. Hawaii. October 2010. Model released. Digital composite.

Mark Carwardine / Humpback whales (Megaptera novaeangliae) aerial. Baja California, Mexico

Mark Carwardine / Humpback Whale (Megaptera novaeangliae) blowing or spouting and fluking, Southeast Alaska, USA, August.

David Fleetham / Humpback whale (Megaptera novaeangliae), mother and calf swimming just below surface in front of the West Maui Mountains. South of Lahaina, West Maui, Hawaii.

Tony Wu / Humpback whale (Megaptera novaeangliae australis) female, stationary with calf heading to surface for breath of air. Vava'u, Tonga, South Pacific.

Tony Wu / Humpback whales (Megaptera novaeangliae) male during a competetive heat run. Vava'u, Tonga, South Pacific.

Tony Wu / Humpback whale (Megaptera novaeangliae) adult female at rest. The tubercles on the whale's head are clearly visible, as are the barnacles (Coronula diadema), whale lice (Cyamus boopis), and hairs on t...

SCOTLAND: The Big Picture / Humpback whale (Megaptera novaeangliae) just under surface, off Shetland, Scotland, UK. First ever underwater images of humpbacks in British waters

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

Espen Bergersen / Humpback whale (Megaptera novaeangliae) breaching above surface, Kvaloya, Troms, Norway November

Espen Bergersen / Aerial photo of a school of Atlantic herring (Clupea harengus) in shallow waters with both Humpback whales (Megaptera novaenliae) and Killer whales (Orcinus orca) feeding, coast of Kvaloya, Norway Jan...

Doug Perrine / Bottlenose dolphin (Tursiops truncatus) swimming with a pair of Humpback whales (Megaptera novaeangliae) Kona, Hawaii, USA

Tony Wu / Humpback whale (Megaptera novaeangliae) female breaching together with her male calf. The calf had a large wound on his left peduncle area, one that appeared to be the result of a large bite, Vava'u,...

Tony Wu / Humpback whale (Megaptera novaeangliae) executing a dramatic tail slap, throwing up a cascade of water with its powerful fluke, Vava'u, Tonga, South Pacific

Tony Wu / Humpback whales (Megaptera novaeangliae) unusual scene with two adults tail-slapping together in rough seas, Vava'u, Tonga, South Pacific

Tony Wu / Humpback whale (Megaptera novaeangliae) male breaching in front of Hunga island in Vava'u, Tonga, South Pacific

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

Tony Wu / Humpback whale (Megaptera novaeangliae) male with his penis extended. Vava'u, Tonga. South Pacific.

Tony Wu / Humpback whale (Megaptera novaeangliae) calf 'Tahafa' male with injured pectoral fin and scarred body, with mother. Vava'u, Tonga, Pacific Ocean. COP26 Countdown Photo Competition 2021 Finalist.

Tony Wu / Humpback whale (Megaptera novaeangliae) male calf with his mother. Vava'u, Tonga. South Pacific.

Tony Wu / Humpback whales (Megaptera novaeangliae) in a heat run, with six males competing for the attention of a female that already has a calf. Vava'u, Kingdom of Tonga

Tony Wu / Humpback whale (Megaptera novaeangliae) rear view, taken while the whale was staying still and singing. Hunga Channel. Vava'u, Kingdom of Tonga, Pacific Ocean.

Tony Wu / Humpback whale (Megaptera novaengliae) young male twirling and playing in the water, Vava'u, Tonga, Pacific Ocean.

Tony Wu / Humpback whale (Megaptera novaeangliae) males tail fluke, Vava'u, Tonga, Pacific Ocean.

Tony Wu / Humpback whales (Megaptera novaeangliae) engaged in courtship, with the male hovering above the female. Vava'u, Tonga, Pacific Ocean.

Tony Wu / Humpback whale (Megaptera novaeangliae), fluke of female with male calf playing below, Vava'u, Tonga, Pacific Ocean.

Tony Wu / Humpback whale (Megaptera novaeangliae) calf nuzzling its mother, Vava'u, Kingdom of Tonga, Pacific Ocean.

Tony Wu / Humpback whale (Megaptera novaeangliae) and her calf pursued by males during heat run. Vava'u, Tonga, Pacific Ocean.

Tony Wu / Humpback whale calf (Megaptera novaeangliae) resting under the chin of its mother. Vava'u, Tonga, Pacific Ocean.

Tony Wu / Humpback whale (Megaptera novaeangliae) juvenile male. This is the first verified record of a living humpback whale in the waters off Sri Lanka.

Tony Wu / Humpback whale (Megaptera novaeangliae) juvenile male playing and spinning This is the first verified record of a living humpback whale in the waters off Sri Lanka.

Tony Wu / Humpback whale (Megaptera novaeangliae) male calf with his resting mother. Vava'u, Kingdom of Tonga. Pacific Ocean.

Tony Wu / Humpback whale (Megaptera novaeangliae) female with calf, pursued by males during heat run. Vava'u, Kingdom of Tonga. Pacific Ocean.

Tony Wu / Humpback whale (Megaptera novaeangliae) male resting, Vava'u, Kingdom of Tonga. Pacific Ocean.

Wild Wonders of Europe / Widstrand / Humpback whale (Megaptera novaeangliae) tail fluke above water before diving, Senja, Troms County, Norway, Scandinavia, January. Cetaceans are attracted to this area to feed on the large numbers of sp...

Wild Wonders of Europe / Widstrand / Humpback whale (Megaptera novaeangliae) tail fluke above water before diving, Senja, Troms County, Norway, Scandinavia, January. Cetaceans are attracted to this area to feed on the large numbers of sp...

Brent Stephenson / Humpback whale (Megaptera novaeangliae) surfacing whilst lunge-feeding, showing the extended throat pleats, Neko Harbour, Antarctic Peninsula, Antarctica, January.

Wim van den Heever / Humpback Whale (Megaptera novaeangliae) breaching during annual sardine run, Port St Johns, South Africa.

Wim van den Heever / Humpback Whale (Megaptera novaeangliae) breaching during annual sardine run, Port St Johns, South Africa, June.

Doug Perrine / Humpback whale (Megaptera novaeangliae) lone female playing, blowing bubble stream, Kona, Hawaii, USA.

Doug Perrine / Humpback whales (Megaptera novaeangliae) mother and calf, Kohala, Kona, Hawaii, USA.

Floris van Breugel / Black and white photograph of humpback whale (Megaptera novaeangliae) tail slapping at surface, Glacier Bay National Park, Alaska, USA, August 2014.

Espen Bergersen / Humpback whales (Megaptera novaeangliae) and Killer whale (Orcinus orca) feeding on a bait ball of Herring. Andfjorden close to Andoya, Nordland, Northern Norway. January.

Espen Bergersen / Humpback whale (Megaptera novaeangliae) with fin above water, Andfjorden close to Andoya, Nordland, Northern Norway. January.

Espen Bergersen / Fluke of diving Humpback whale (Megaptera novaeangliae) with full moon low on the horizon during polar night time, with blow from second whale in the background, Kvaloya, Troms, Northern Norway. Novem...

Jack Dykinga / Humpback whale (Megaptera novaeangliae) fluke marked with barnacle attachments, CONANP protected area, Baja Sur, Sea of Cortez, Mexico. February.

Pascal Kobeh / Female Humpback whale (Megaptera novaeangliae) with its calf in open water, Reunion Island. Indian Ocean.

Pascal Kobeh / Female humpback whale (Megaptera novaeangliae) with its very young calf at the surface, Rurutu island, Australs Archipelago, French Polynesia. Pacific Ocean.

Bertie Gregory / Humpback whale (Megaptera novaeangliae) adult breaching, Vancouver Island, British Columbia, Canada, July.

David Pattyn / Humpback Whale (Megaptera novaeangliae) tail slapping, tail lob, lobtailing. Vancouver Island, British Columbia, Canada, July.

Doc White / Humpback Whale (Megaptera novaeangliae) female. Tonga, South Pacific, September.

Ismaele Tortella / Aerial shot of two Humback whales (Megaptera novaeangliae) surfacing, northern Norway, November.

Ismaele Tortella / Aerial shot of two Humback whales (Megaptera novaeangliae) diving, northern Norway, November.

Espen Bergersen / Humpback whales (Megaptera novaeangliae) surfacing, Norway. November.

Espen Bergersen / Aerial shot of Humpback whales (Megaptera novaeangliae) Norway. November.

Espen Bergersen / Aerial shot of Humpback whales (Megaptera novaeangliae) Norway. November.