Tony Wu / Bowhead whale (Balaena mysticetus), group socialising in shallow water, aerial view. Part of larger group of more than 50 whales congregating, Sea of Okhotsk sub-population, Russia.

Steven Kazlowski / Bowhead whale (Balaena mysticetus) swimming amidst multi-layer ice (freshwater pans formed over many years where the salt is squeezed out of the ice) offshore from Point Barrow. Chukchi Sea, Arctic Al...

Flip Nicklin / Bowhead Whale (Balaena mysticetus) tail, Baffin Island, Nunavut, Canada

Flip Nicklin / Bowhead Whale (Balaena mysticetus) noses the kayak of biologist Kerry Finley, Isabella Bay, Baffin Island, Canada

DOC WHITE / Aerial view of bowhead whale {Balaena mysticetus} showing large crown (hump) around blowhole, Canadian Arctic

Martha Holmes / Bowhead whale just under ice, Arctic

Martha Holmes / Bowhead whale releasing breathing out underwater {Balaena mysticetus} Arctic

Franco Banfi / Camp with tents on beach in Vrangel Bay where Bowhead whale (Balaena mysticetus) congregate every summer. Primorsky Krai, Russia. August 2019.

Franco Banfi / Photographic equipment ready inside tent in Vrangel Bay where Bowhead whale (Balaena mysticetus) congregate every summer. Primorsky Krai, Russia. August 2019.

Franco Banfi / Diving fins resting against tent on beach with coniferous forest in background. In Vrangel Bay where Bowhead whale (Balaena mysticetus) congregate in summer. Primorsky Krai, Russia. August 2019.

Franco Banfi / Outdoor kitchen on camp in Vrangel Bay where Bowhead whale (Balaena mysticetus) congregate in summer. Primorsky Krai, Russia. August 2019.

Franco Banfi / Sauna hut / banja and logpile at camp in Vrangel Bay where Bowhead whale (Balaena mysticetus) congregate every summer. Primorsky Krai, Russia. August 2019.