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The Sperm Whale
Physeter macrocephalus The Sperm Whale has several adaptations to cope with drastic changes in pressure when regularly diving 1,000 to 2,000 metres. The ribcage is flexible to allow lung collapse, and the heart rate can decrease to preserve oxygen supplies. Blood can be directed towards the brain and other essential organs only when oxygen levels deplete. Their vocalizations include directional clicks, from less than 100 Hz to 30 kHz. The majority of energy in these clicks is in the 5 to 25 kHz range. In addition to echolocation, in social situations, sperm whales produce repeated patterns of clicks called codas
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Echolocation
Vocalisation
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Adaptations
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Diving Deep
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