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?
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Filmmakers look to world's loneliest whale, Earth
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Watch The Loneliest Whale: The Search for 52 Streaming Online
OPINION, REVIEW: 'The Loneliest Whale: The Search for 52
Search for the world's 'loneliest whale' who has been singing to himself for 20 years
The search for the loneliest whale in the world, Whales
Whale 52 The Loneliest Number- Save the Whales Save Earth! Poster for Sale by JuxtaJoy Studios
52-Hertz, the loneliest whale in an ocean of sorrow
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Kiska, The Loneliest Orca Of World, Is Facing Severe Torture Conditions In Captivity: Report