When people learned he vocalized at a much higher pitch than other whales, they wondered: could other whales hear him? Was he plaintively calling, never hearing a reply? Was he lonely?
The Loneliest Whale: The Search for 52 (2021) - IMDb
The World's Loneliest Whale, a story that will make you pale, is it a male or Female?
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The Loneliest Whale on Earth: Produced By Leonardo DiCaprio - 'The Loneliest Whale: The Search for 52' Review - Hollywood Insider
52 Blue - The Atavist Magazine
There is a whale known as the world's loneliest whale. calls out at a frequency that is unable to be heard by other whales and therefore receives no response. It swims
Huge hearts and 52-Hertz
The loneliest whale in the world: The whale whose unique call has stopped him finding love, World, News
The Loneliest Whale (2021), Official Trailer, Joshua Zeman