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Arctic birds face disappearing breeding grounds as climate warms

Next month, the cruise ship Crystal Serenity will embark on a controversial voyage, becoming the first cruise liner ever to sail Canada’s Northwest Passage – a formerly icebound route that only became navigable in 2007. It’s a dramatic symbol of the change that is currently taking place in the Arctic, which is warming more rapidly than anywhere else on Earth.

This warming is already affecting polar bears, greening the tundra, and physically shrinking red knots. Now, in a new study, we show that it could contract the breeding habitat of millions of migratory birds that travel to the High Arctic.

Countries worldwide could see declines in the numbers of migratory birds reaching their shores, and the Canadian and Russian Arctic islands may be the last refuges these species have.

Read the full story on The Conversation's website.

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