A new digital platform, Blue Corridors, showcases 30 years of tracking data revealing global whale migrations and mounting threats from ships, fisheries and climate change.

By Teresa Tomassoni

Every year beginning in October, thousands of humpback whales start to leave their warm nurseries in the Eastern Tropical Pacific—an ocean stretch spanning the west coast of Mexico to the northern tip of Peru—to embark on a remarkable and hazardous journey of more than 5,000 miles to feed in Antarctica.

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