Northward Migrating Terns
American researchers were startled this past summer to find a pair of Caspian terns nesting 1,000 miles farther north than the species had ever before been seen.
Typically not found north of Washington state, the birds successfully bred in Alaska’s Cape Krusenstern National Monument.
“[For these birds] to be 1,000 miles further north attests to how much the globe has warmed,” Stanford University biologist Terry Root told The Guardian.
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