500 hammerhead sharks spotted off Île de Ré: an exceptional phenomenon

A school of 500 hammerhead sharks, an endangered species, was spotted off Île de Ré.

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The fact

This rare concentration intrigues researchers and highlights the importance of coastal areas for biodiversity.

Scientists are studying the causes of this unprecedented sighting.

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Auto-synthesis from 1 media source · identified on September 2, 2026