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Aug. 20, 2021 A new study shows that disappearing sea ice is a significant element of the food web supporting female walruses and their dependent young in the Arctic's Chukchi Sea. Researchers were able to ...
Sep. 27, 2023 Past cycles of climate change, along with human exploitation, have led to only small and isolated stocks of Atlantic walrus remaining. The current population is at high risk of the same issues ...
Dec. 21, 2021 As the Arctic and the oceans warm due to climate change, understanding how a rapidly changing environment may affect birds making annual journeys between the Arctic and the high seas is vital to ...
Nov. 2, 2021 Pinnipeds -- a group including seals, sea lions and walruses -- are relatively recently derived marine mammals that evolved from terrestrial carnivorans and reentered the marine environment. Their ...
Feb. 18, 2022 Single individuals of Atlantic cod and squid occur much further north than previously expected. Scientists have found fish and squid in deep water in the middle of the Arctic ...
Oct. 27, 2021 Researchers trace the first tusks back to ancient mammal relatives that lived before the dinosaurs and shed light on the evolution of mammalian tusks by first defining what makes a tusk a ...
Dec. 14, 2023 Arctic seals have evolved many adaptations to cope with their frosty environment -- one that you might not immediately think of is the bones in their nasal cavity. Arctic seals have more convoluted ...
Apr. 4, 2023 Marine predators have expanded their ranges into the Arctic waters over the last twenty years, driven by climate change and associated increases in ...
June 3, 2021 Sea ice thickness is inferred by measuring the height of the ice above the water, and this measurement is distorted by snow weighing the ice floe down. Scientists adjust for this using a map of snow ...
May 25, 2023 New research analyzes more than 25 years of climate and biological data. The findings include shorter hibernation periods in arctic ground squirrels, as well as differences between male and female ...