A Northwest Indian Ocean blue whale flukes up for a dive off the Arabian Sea coast of Oman. CREDIT: Robert Baldwin/Environment Society of Oman The scientists analysed recordings from the Arabian Sea coast of Oman, and as far south as Madagascar, and found a blue whale song that had never been described Scientists have found evidence of a previously undiscovered population of blue whales living in the western Indian ocean based on an analysis of sound recordings from the region, an advance which sheds light on the global distribution of the largest animals to have ever lived on the Earth. While these highly endangered mammals are found around the globe in all oceans, and sing very low-pitched and recognisable songs, the researchers, including those from the New England Aquarium in the U.S., said every blue whale population has its own unique song. In a recently published study in the journal Endangered Species Research , the scientists analysed recordings from the Arabian Sea coast of Oman, and as far south as Madagascar, and found a blue whale song that had never been described. Based on the analysis, the researchers believe they have discovered what is likely a previously unrecognised population […]

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