Alaska wolves poisoned by mercury after switching to sea otter diet

Mongabay
Jun 13, 2025, 5:49 pm363 ptsTop
Some coastal wolves in Alaska, U.S., have toxic levels of mercury in their bodies after shifting from a terrestrial diet of deer and moose to a marine diet heavy with sea otters, new research finds. Mercury is a naturally occurring heavy metal found in the Earth’s crust. However, human activities like burning…

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