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Sperm whale hanging upside down to use sonar | Sri Lanka

Adult female sperm whale swimming upside-down in the blue waters of the Indian Ocean. This is a position frequently adopted by sperm whales near the surface to make use of their sonar to investigate floating objects like me. I may have been the first person she had ever come across. Notice that there is a small piece missing from the dorsal edge of her right pectoral fin.

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Filename: sperm-whale-blue-water-indian-ocean_201104_0089.tif
Copyright: Copyright Tony Wu. All rights reserved. No duplication in any form without prior written consent.
Image Size: 4956x3304 / 46.9MB; https://www.photoshelter.com/support/license#rm; https://www.tony-wu.com/contact-tony-wu; Mammalia Vulnerable: IUCN Red List Cetartiodactyla Physeter catadon Physeteridae Odontoceti Chordata Cetacea Physeter macrocephalus Sri Lanka Sperm Whale Animalia Toothed Whale Mirissa Odontocete Cachalot Indian Ocean CITES Appendix 1 Marine Mammal
Contained in galleries: Sperm Whales, Marine Life | Sri Lanka

Adult female sperm whale swimming upside-down in the blue waters of the Indian Ocean. This is a position frequently adopted by sperm whales near the surface to make use of their sonar to investigate floating objects like me. I may have been the first person she had ever come across. Notice that there is a small piece missing from the dorsal edge of her right pectoral fin.