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Gray Whales Starving: Arctic Collapse Fuels Mass Strandings
2 May
Summary
- Record gray whale strandings in Washington linked to collapsing Arctic food chain.
- Whales arrive with exhausted fat reserves, struggling mid-migration.
- Climate change impact on Arctic sea ice weakens vital food web for whales.
Gray whales are washing ashore along the Pacific Northwest at an alarming rate, with 16 deaths documented in Washington this spring, the highest in fifty years. This surge in strandings, also observed in Oregon, indicates a severe decline in the Eastern North Pacific gray whale population, which plummeted from approximately 27,000 to 13,000 between 2019 and 2023.
Researchers assert that these whales embark on their migration with insufficient fat reserves due to a weakening Arctic food web. Climate change's impact on sea ice loss disrupts the algae and amphipod populations that form the whales' primary food source. Studies link these die-offs to warming waters and disrupted feeding grounds in the Arctic.
While malnutrition is a primary cause, some whales exhibited trauma from vessel strikes or entanglement. NOAA urges the public to report stranded or distressed marine mammals and advises boaters to watch for weakened whales in Puget Sound. The situation underscores the urgent need to address climate change and protect feeding areas to aid species recovery.
