Giant whales move into Greenland waters as ice disappears

As the ice recedes in East Greenland, massive whales have begun to inhabit previously inaccessible coastal waters, according to a long-term research project. This shift, driven by climate change, has resulted in seasonal feeding frenzies and a significant ecological transformation. Ship-based surveys only began recording humpback whales in the area in 2006, but by 2024, sightings had surged to 150.

The first aerial surveys of baleen whales off East Greenland, conducted in 2015 and 2024, combined with satellite tracking and Inuit observations, revealed that an estimated 4,000 humpbacks, 6,000 fin whales, and 6,000 minke whales visited the region during the summer of 2024. The whales are believed to be feeding on fish that have migrated into the warming waters of East Greenland.

While the study does not definitively confirm whether the whale populations are growing or simply shifting, it highlights the potential benefits for some Arctic species. However, other Arctic species, such as narwhals and belugas, are facing habitat loss or displacement due to the changing environment. The research, published in the journal Frontiers in Marine Science, underscores the dramatic impact of climate change on the subarctic ecosystem.