A look at failed killer whale pregnancies in marine parks and aquariums


Current number of known unsuccessful pregnancies in captivity: 30

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To view photos of a certain orca simply click on the orca’s name!

NameCaptive Mother / FatherSexBirth DatePlace of DeathDate of DeathCause of Death
No nameBonnie
Wild Orca
N/A1968/7/30Marine World Africa, California, USA1968/7/30Stillbirth (cause unknown but transportation in a sling when Bonnie was heavily pregnant may have contributed to the loss of her unborn calf)
No nameKianu
Wild Orca
?1968/8/22Marine World Africa, California, USA1968/8/22Stillbirth (cause unknown but transportation in a sling when Kianu was heavily pregnant may have contributed to the loss of her unborn calf)
No nameUnnamed female
Wild Orca
?1979/3Nanki Shirahama Adventure World, Japan1979/3Stillbirth
No nameCorky 2
Orky 2
?1980/4/1Marineland of the Pacific, California, USA1980/4/1Stillbirth
No nameKandu 5
Winston
N/A1986/1/31SeaWorld San Diego, California, USA1986/1/31Stillbirth
No nameCorky 2
Orky 2
N/A1986/7/27Marineland of the Pacific, California, USA1986/7/27Miscarriage
No nameCorky 2
Orky 2
N/A1987/8SeaWorld San Diego, California, USA1987/8Miscarriage
No nameKona 2
Kanduke
N/A1987/10/15SeaWorld Orlando, Florida, USA1987/10/15Kona 2 passed away during the 9th month of her pregnancy - fetus found at the necropsy of mother
No nameKahana
Kotar
N/A1990/11/6SeaWorld San Antonio, Texas, USA1990/11/6Miscarriage
No nameFreya
Kim 2
N/A1991/3/3Marineland Antibes, France1991/3/3Stillbirth
No nameKenau
Kotar
M1991/8/6SeaWorld Orlando, Florida, USA1991/8/6Kenau passed away during the 12th month of her pregnancy.
No nameSamoa
Kotar
F1992/3/14SeaWorld San Antonio, Texas, USA1992/3/14Stillbirth. Samoa went into premature labour due to a fungal infection that had spread to her brain. After two hours both she and her unborn calf passed away.
No nameFreya
Kim 2
N/A1993/3Marineland Antibes, France1993/3Stillbirth
No nameNootka 4
Tilikum
N/A1994/8/18SeaWorld Orlando, Florida, USA1994/8/18Stillbirth
No nameGudrun
Tilikum
N/A1996/2/21SeaWorld Orlando, Florida, USA1996/2/21Stillbirth
No nameKalina
Tilikum
N/A1997/2/27SeaWorld Orlando, Florida, USA1997/2/27Stillbirth
No nameUnknownN/A1997/4Nanki Shirahama Adventure World, Japan1997/4Miscarriage
No nameMaggie
Bingo
F1997/10/5Kamogawa Sea World, Japan1997/10/5Stillbirth
No nameBelén
Kshamenk
N/A1998/2Mundo Marino, Buenos Aires, Argentina1998/2Stillbirth
No nameBelén
Kshamenk
N/A2000/2/4Mundo Marino, Buenos Aires, Argentina2000/2/4Belén passed away during the 4th month of her pregnancy.
No nameFreya
Kim 2
N/A2001/3Marineland Antibes, France2001/3Stillbirth
No nameHaida 2
Tilikum
M2001/8/1SeaWorld San Antonio, Texas, USA2001/8/1Haida 2 passed away during the 5th month of her pregnancy.
No nameNootka 5
Kandu 7
N/AWinter 2001Marineland Ontario, CanadaWinter 2001Miscarriage
No nameFreya
Kim 2
N/A2003/4Marineland Antibes, France2003/4Stillbirth
No nameNeocia
Kandu 7
N/A2004/7Marineland Ontario, Canada2004/7Miscarriage
No nameUnna
Keet
F2006/4SeaWorld San Antonio, Texas, USA2006/4Stillbirth
No nameNootka 5
Kandu 7
N/A2006/5Marineland Ontario, Canada2006/5Miscarriage
No nameKayla
Keet
M2007/4SeaWorld Orlando, Florida, USA2007/4Stillbirth (cause unknown but transportation in a sling when Kayla was pregnant may have contributed to the loss of her unborn calf - Kayla had been pregnant when moved from Texas to Florida in November 2006)
No nameTaima
Tilikum
N/A2010/6/6SeaWorld Orlando, Florida, USA2010/6/6Stillbirth. Taima dies during labour of a near full-time fetus.
No nameTakara
Kshamenk
N/A2012/3SeaWorld San Antonio, Texas, USA2012/3Miscarriage (Takara had been AI'd with Kshamenk's semen in July 2011)

Sources:
Data collected by OrcaHome.de (discontinued) was used as baseline for this spreadsheet. One notable source is “Orca – The Whale Called Killer” by Erich Hoyt.
56-Balckfish and 160Captives (Tumblr) were used to improve the accuracy of the data.