RT @bluewhalenews: Migrating pygmy blue whale off W Australia spends almost all of its time at 12-20 m depth, perfectly placed to reduce dr…
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Is this the record dive depth (506 m) and dive duration (26.7 min) for a blue whale? Behavior of a tagged pygmy blue whale off Western Australia. https://t.co/TZbxiLSTZD
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Migrating pygmy blue whale off W Australia spends almost all of its time at 12-20 m depth, perfectly placed to reduce drag from ocean waves (red line)... but also perfectly within the range of the 24 m depth of large container ships. https://t.co/TZbxiLST
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Generally, the maximum observed dive time for blue whales is 14.7 min (Croll), although dives of 18 min (Lagerquist) and 17.5 min (Owen) have been recorded https://t.co/kWwfllhxri https://t.co/raHrJu7RQx https://t.co/TZbxiLSTZD