Greenland’s Melting Ice Opens Way for Giant Whales

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Greenland: As Arctic sea ice melts, Greenland's waters become more accessible to huge whale species, affecting where the animals move and feed. Humpback, fin, and minke whales move north as the seasonal ice melts, but bowhead whales have evolved to live in Arctic waters year-round.

The decrease in sea ice is causing long periods of open ocean and altering the Arctic marine ecology. Whales can follow shifting quantities of plankton and other prey into locations that were previously inaccessible due to high ice cover.

For bowhead whales, modifications offer opportunities as well as risks. The species can break through thick sea ice and has traditionally exploited ice-covered waterways to stay away from hunters. A 2026 study revealed that such freezing shelters let bowhead populations survive centuries of commercial whaling.

However, as the Arctic warms, these ice refuges are disappearing. Scientists fear that diminishing sea ice, along with increased ship activity, might disrupt whale migration paths and expose the animals to new risks such as vessel impacts and disruption.

Bowhead whales can grow to be around 18 meters long and are among the world's longest-lived mammals, with some estimated to live for more than 200 years.

The increased presence and shifting motions of whales around Greenland demonstrate how quickly a warming Arctic is affecting wildlife habitats.

Photo: File photo