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Whale's Epic 15,000km Journey Shatters Records
20 May
Summary
- Humpback whale traveled 15,000km from Brazil to Australia.
- Individual whale was not sighted for 22 years before resurfacing.
- Unique fluke patterns identify whales like human fingerprints.
An unprecedented 15,000km journey by a humpback whale has been documented, traveling from Brazil to Australia. The whale, first identified in Brazilian waters in 2003, was remarkably re-sighted off the Queensland coast in September 2025, after a 22-year interval. This distance represents the longest ever recorded between sightings of a single humpback whale.
Researchers utilized the Happywhale platform, which employs an AI algorithm to match unique fluke patterns—similar to human fingerprints—with over 19,000 submitted photos. Another whale was previously recorded traveling approximately 14,200km between Brazil and Australia, highlighting rare cross-hemisphere migrations.
These intercontinental journeys suggest infrequent, possibly single-lifetime events rather than regular migratory routes. The discovery underscores the need for international collaboration in marine conservation, as migratory animals traverse national borders. Climate change impacts on feeding grounds also pose a potential threat to future whale migrations.
