Science Photo Library Beneath the Arctic sea ice, in the blanket of January's polar night, bowhead whales most prefer to sing. While the songs of humpback whales have long received the most attention, it turns out that their baleen cousins could have a far greater repertoire. A study of a bowhead population near Svalbard has shown that their musical calls may be as varied as those of songbirds. This would make them unique among whale populations, and possibly even mammals. Whalesong mixtape Over the course of three years, the whales of the Spitsbergen population produced 184 unique song types. The vocalisations were detected 24 hours a day throughout most of the winter each year...

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