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MNN Global · April 19, 2026 · 1 min read

US scientists investigate gray whale deaths near San Francisco

What happened: Several gray whales have died in waters near San Francisco, prompting US researchers to seek explanations. Climate change and altered migration routes are considered possible factors.

Why it matters:

  • The deaths may signal broader environmental changes affecting marine life.
  • Communities reliant on marine ecosystems and researchers studying whale behaviour are impacted.

MNN Take: Scientists are examining how climate-driven shifts in ocean conditions and whale migration may contribute to these unusual mortality events, highlighting the need for ongoing monitoring.

Sources: BBC World