Researchers on north-west coast of Alaska startled to discover Caspian terns an incredible 1,000 miles further north than species had been previously recorded

Eyebrows would be raised if American crocodiles, found on the southern tip of Florida, decided to relocate to New York’s Fifth Avenue or Moroccan camels suddenly joined the tourist throng outside Buckingham Palace in London. Yet this is the scale of species shift that appears to be under way in Alaska.

In July, researchers in Cape Krusenstern national monument on the north-west coast of Alaska were startled to discover a nest containing Caspian terns on the gravelly beach of a lagoon. The birds were an incredible 1,000 miles further north than the species had been previously recorded.

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Source: Guardian Environment