52-hertz whale

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A spectrogram of the 52-hertz signal

The 52-hertz whale, colloquially referred to as 52 Blue, is an individual whale of unidentified species that calls at the unusual frequency of 52 hertz. This pitch is at a higher frequency than that of the other whale species with migration patterns most closely resembling the 52-hertz whale's[1] – the blue whale (10 to 39 Hz)[2] and the fin whale (20 Hz).[1] Its call has been detected regularly in many locations since the late 1980s, and appears to be the only individual emitting a whale call at this frequency. However, the whale itself has never been sighted; it has only been heard via hydrophones. It has been described as the "world's loneliest whale", though potential recordings of a second 52-hertz whale, heard elsewhere at the same time, have been sporadically found since 2010.[3][4]


The sonic signature is that of a whale, albeit at a unique frequency. At 52 hertz, it is a little higher than the lowest note on a double bass. The call patterns resemble neither blue nor fin whales, being much higher in frequency, shorter, and more frequent.[5] Blue whales usually vocalize at 10–39 Hz,[2] fin whales at 20 Hz.[1] The 52-hertz calls of this whale are highly variable in their pattern of repetition, duration, and sequence, although they are easily identifiable due to their frequency and characteristic clustering.[6] The calls have deepened slightly to around 50 hertz since 1992, suggesting the whale has grown or matured.[4]

The migration track of the 52-hertz whale is unrelated to the presence or movement of other whale species.[7] Its movements have been somewhat similar to that of blue whales, but its timing has been more like that of fin whales.[6] It is detected in the Pacific Ocean every year beginning in August–December, and moves out of range of the hydrophones in January–February. It travels as far north as the Aleutian and Kodiak Islands, and as far south as the California coast, swimming between 30 and 70 km each day. Its recorded distance traveled per season has ranged from a low of 708 km to a high of 11,062 km in 2002–03.[8]

Scientists at the Woods Hole Oceanographic Institution have been unable to identify the species of the whale. They speculate that it could be malformed or a blue whale hybrid.[7] The research team is often contacted by deaf people who wonder whether the whale may also be deaf.[9]

Whatever biological cause underlies its unusually high frequency voice does not seem to be detrimental to its survival. The fact that the whale has survived and apparently matured indicates it is probably healthy. Still, its unique call is the only one of its kind detected anywhere and there is only one such source per season.[8] Because of this, the animal has been called the loneliest whale in the world.[5][10][11]

Calls picked up by a sensor in 2010 suggest that there is more than one whale calling at 52 Hz.[3]


Approximate map of the 52-hertz whale's migration range

The 52-hertz whale was discovered by a team from the Woods Hole Oceanographic Institution. Its call was first detected in 1989, then again in 1990 and 1991.[8] In 1992, following the end of the Cold War, the U.S. Navy partially declassified the recordings and technical specifications of its SOSUS anti-submarine hydrophone arrays, and made SOSUS available for oceanographic research.[6][7] As of 2014, the whale had been detected every year since.[12]

In media[edit]


The Loneliest, a short mockumentary film about two women searching for the loneliest whale, was made in April 2014 by Lilian Mehrel, with the Alfred P. Sloan Foundation.[13][14]

The title of the Taiwanese movie 52Hz, I Love You (2017) is inspired by the whale, using it as a metaphor for the loneliness experienced when looking for love.

Stare Yıldırım's 2018 film My Name is Batlir, Not Butler features the 52-hertz whale as both a character (mostly represented by a photo and voice-over) and as a metaphor for the loneliness of those who are different.[15]

The animated short film entitled The Phantom 52 premiered at the Sundance Film Festival in January 2019. The film is written and directed by Geoff Marslett, and stars Tom Skerritt as the loneliest whale. The Phantom 52 went on to play at over 60 film festivals worldwide and win a half dozen awards.[16][17]

A feature-length documentary entitled The Loneliest Whale: The Search for 52, directed by Joshua Zeman, the director of Cropsey, and executive produced by Leonardo DiCaprio and Adrian Grenier, was commercially released by Bleecker Street on July 9, 2021.[18] The film follows Zeman and a group of five scientists and oceanographers on a quest to find the whale off the coast of California. Funded through a Kickstarter campaign,[19] the film received generally positive reviews among critics, holding an approval rating of 86% based on 35 reviews on Rotten Tomatoes.[20] Time's Stephanie Zacharek called the film "both invigorating and calming to watch,"[21] while Katie Walsh wrote in the Los Angeles Times that the film is "a modern-day Moby Dick with a conservationist bent" that "surprises, delights and will keep you on the edge of your seat."[22] Sheri Linden of The Hollywood Reporter wrote that "the film's epilogue caps the action with a rapturous surprise",[23] referring to the sighting – complete with film footage – of a blue whale-fin whale hybrid, believed to be the source of the 52 Hz calls.

The 52 hertz whale was also seen in a children's show titled The Deep.


Ambient artist Andy Othling, under the name of Lowercase Noises, released an EP called Migratory Patterns in 2011. The album "is a collection of songs written as a chronicle of the story of the famed 52Hz whale."[24]

Montreal-based saxophone player and composer Colin Stetson's 2013 album New History Warfare Vol. 3: To See More Light included a song entitled "Part of Me Apart From You". Though not explicitly written about the 52-hertz whale, when first performing the song live, he has remarked on at least several occasions that the story of the "loneliest whale" resonated deeply with his composition. "This whale is alone in a large body of water, swimming, singing its song, calling for a likeness it will never find," he said by way of introducing the song at a performance at Toronto's Great Hall on 19 May 2013. "When I play this song, I can't help but think about this whale, who right at this very minute is singing alone."[25]

South Korean group BTS's 2015 album The Most Beautiful Moment in Life, Pt. 2 includes the track "Whalien 52", which explicitly uses the 52-hertz whale as a metaphor for the alienation from others often felt by adolescents.[26]

The English folk duo Kathryn Roberts and Sean Lakeman included the song "52 Hertz" on their 2015 album Tomorrow Will Follow Today. The song is about the whale and includes the line, "52 Hertz, 52 Hertz, I'm singing a love song that no-one can hear" in the chorus.[27]

In 2016, No Land (a music group made up of Azerbaijani, Iranian, Kurdish and Turkish musicians) released 52 Hertz Whale - Outro.

In 2017, Shoegaze band Cloakroom released a song called "52hz Whale."

In 2017, Zhou Shen released a song called "A Lonely Blue Whale Living Like an Island" or "化身孤岛的鲸", inspired by the whale.

In 2018, American singer Chrysta Bell released a song called "52 Hz", inspired by the whale.[28]

In 2020, Vtuber Bao released a song called "52 Hearts" a play on words for the 52-hertz whale.

In 2021, Amber Run released a song called "52 Blue."

In 2021, instrumental post rock band Gilmore Trail released a song called "Echoes of Solitude", using their instruments to create their own interpretation of the sounds of the lonely whale.[29]

In 2021, Polish rapper Sokół released a song called "52 Hz", inspired by the whale.[30]


In 2007, Agnieszka Jurek (ed.) and 30 international artists, musicians, filmmakers and journalists published a book titled 52 Hertz Whale - he sounded different than he should.

In 2017, Jessica Therrien and Dorene Uhrich published a book titled The Loneliest Whale.

In 2015, Matt Dahl, editor of Chatsworth Press, published the anthology Lonely Whale Memoir.[31]

In 2020, Japanese novelist Sonoko Machida published a novel titled 52-Hertz Whales, in which the anomalous whale serves as a metaphor for "voiceless" lonely people who find each other by chance.[32]

In 2020, an illustrated children's book was published by Umbrelly Books Publishing, called "52, A Tale of Loneliness." The book was written by Johnny DePalma, Illustrated by Kyle Brown and has an available companion audiobook, as read by Patton Oswalt.

See also[edit]


  1. ^ a b c Copley, John (10 December 2004). "Lonely whale's song remains a mystery". New Scientist. Retrieved 17 September 2012.
  2. ^ a b "Blue Whale". Bioacoustics Research Program. The Cornell Lab of Ornithology. Archived from the original on 26 February 2015. Retrieved 13 February 2015.
  3. ^ a b Fessenden, Marissa (15 April 2015). "Maybe the World's Loneliest Whale Isn't So Isolated, After All". Smithsonian magazine. Retrieved 31 October 2015.
  4. ^ a b Watkins, William A.; Daher, Mary Ann; George, Joseph E.; Rodriguez, David (December 2004). "Twelve years of tracking 52-Hz whale calls from a unique source in the North Pacific". Deep Sea Research Part I: Oceanographic Research Papers. 51 (12): 1889–1901. doi:10.1016/j.dsr.2004.08.006.
  5. ^ a b Nelson, Bryan (20 May 2012). "52 Hertz: The Loneliest Whale in the World". Animal Planet. Discovery Communications. Archived from the original on 24 December 2013. Retrieved 17 September 2012.
  6. ^ a b c Watkins, William A.; George, Joseph E.; Daher, Mary Ann; Mullin, Kristina; Martin, Darel L.; Haga, Scott H.; DiMarzio, Nancy A. (February 2000). Whale call data for the North Pacific: November 1995 through July 1999 occurrence of calling whales and source locations from SOSUS and other acoustic systems (Report). Woods Hole Oceanographic Institution. Technical report. WHOI-00-02. doi:10.1575/1912/350. hdl:1912/350.
  7. ^ a b c Revkin, Andrew C. (21 December 2004). "Song of the Sea, a Cappella and Unanswered". The New York Times. Retrieved 17 September 2012.
  8. ^ a b c Lippsett, Lonny (5 April 2005). "A Lone Voice Crying in the Watery Wilderness (with a graphic of tracking during twelve year period)". Oceanus. Woods Hole Oceanographic Institution. Retrieved 17 September 2012.
  9. ^ "A Song of Solitude". The New York Times. 26 December 2004.
  10. ^ Willingham, Emily (31 March 2011). "52-Hertz song of world's loneliest whale". EarthSky. Retrieved 23 September 2012.
  11. ^ Anderson, Ben (5 January 2011). "'World's loneliest whale' pays visit to Alaska". Alaska Dispatch. Retrieved 17 November 2012.
  12. ^ Mulvaney, Kieran (26 January 2017). "The loneliest whale in the world?". Washington Post. Animation and illustrations by Phil Borst. Retrieved 23 February 2017.[dead link]
  13. ^ Revkin, Andrew C. (17 February 2015). "Filmmakers Set Sights on '52', the World's Loneliest Whale". The New York Times.
  14. ^ "The Loneliest (a short film by Lilian Mehrel)". Archived from the original on 1 March 2015.
  15. ^ "My Name is Batlir, not Butler". FilmFreeway. Retrieved 29 December 2018.
  16. ^ "The Phantom 52". Sundance Institute. Archived from the original on 15 September 2020. Retrieved 9 April 2020.
  17. ^ The Phantom 52 at IMDb
  18. ^ "The Loneliest Whale - Bleecker Street". Bleecker Street. Retrieved 1 September 2021.
  19. ^ "Help Find the Lonely Whale with Adrian Grenier & Josh Zeman". Kickstarter. Retrieved 18 February 2020.
  20. ^ "The Loneliest Whale: The Search for 52". Rotten Tomatoes. Retrieved 1 September 2021.
  21. ^ "The Loneliest Whale Brings Us on an Invigorating Search for an Elusive Creature of the Deep". Time. Retrieved 1 September 2021.
  22. ^ "Review: 'The Loneliest Whale's' song resonates in the 21st century". LA Times. Retrieved 1 September 2021.
  23. ^ Linden, Sheri. "Review: 'The Loneliest Whale: The Search for 52': Film Review". The Hollywood Reporter. Retrieved 1 September 2021.
  24. ^ "Lowercase Noises - Migratory Patterns - on NoiseTrade". pastemagazine.com. Retrieved 29 April 2021.
  25. ^ Monroe, Jazz (20 May 2013). "Colin Stetson – The Great Hall, Toronto ON, May 19". exclaim!. Retrieved 31 October 2015.
  26. ^ Benjamin, Jeff (2 December 2015). "BTS Succeeds With Mixed Styles, Emotions on 'Most Beautiful Moment in Life, Pt. 2'". Billboard. Retrieved 9 January 2017.
  27. ^ "Kathryn Roberts and Sean Lakeman – Tomorrow Will Follow Today". Folk Radio UK – Folk Music Magazine. 25 February 2015. Retrieved 4 October 2017.
  28. ^ "Sensual new Chrysta Bell single '52 Hz'". BlackBook. Retrieved 1 March 2018.
  29. ^ "Gilmore Trail - Echoes of Solitude". Retrieved 15 November 2021.
  30. ^ "Sokół - 52Hz (Official Audio)". Retrieved 19 November 2021.
  31. ^ "Lonely Whale Memoir: an anthology". Goodreads. Retrieved 9 December 2021.
  32. ^ Yoshikawa, Akiko (10 January 2021). "「52ヘルツのクジラたち」町田そのこさんインタビュー 虐げられる人々の声なき声をすくう" [52-Hertz Whales: An Interview with Sonoko Machida—Uplifting the Voices of the Downtrodden and Voiceless].

Further reading[edit]

External links[edit]