The Whipsnade White Lion is seen surrounded by parched grass during a period of hot and dry weather, in Whipsnade, Britain, August 9, 2022. REUTERS/Andrew Boyers 

The Whipsnade White Lion is seen surrounded by parched grass during a period of hot and dry weather, in Whipsnade, Britain, August 9, 2022. REUTERS/Andrew Boyers 

Two five-day-old male and female African white lion cubs rest in a baby crib at the La Pequena Africa (Little Africa) animal reserve in Jimena de la Frontera, Spain, October 29, 2021. REUTERS/Jon Nazca TPX IMAGES OF THE DAY 

Fabiola Mesa, biologist, holds a five-day-old male white African lion cub at the La Pequena Africa (Little Africa) animal reserve in Jimena de la Frontera, Spain, October 29, 2021. REUTERS/Jon Nazca 

Francisco Jimenez, breeder, feeds a five-day-old female white African lion cub at the La Pequena Africa (Little Africa) animal reserve in Jimena de la Frontera, Spain, October 29, 2021. REUTERS/Jon Nazca 

Two five-day-old male and female African white lion cubs rest in a baby crib at the La Pequena Africa (Little Africa) animal reserve in Jimena de la Frontera, Spain, October 29, 2021. REUTERS/Jon Nazca 

Fabiola Mesa (L), biologist, and Francisco Jimenez, breeder, hold two five-day-old male and female white African lion cubs at the La Pequena Africa (Little Africa) animal reserve in Jimena de la Frontera, Spain, October 29, 2021. REUTERS/Jon Nazca 

Fabiola Mesa (L), biologist, and Francisco Jimenez, breeder, hold two five-day-old male and female white African lion cubs at the La Pequena Africa (Little Africa) animal reserve in Jimena de la Frontera, Spain, October 29, 2021. REUTERS/Jon Nazca 

Two five-day-old male and female African white lion cubs rest in a baby crib at the La Pequena Africa (Little Africa) animal reserve in Jimena de la Frontera, Spain, October 29, 2021. REUTERS/Jon Nazca 

Elisabet Rodriguez, breeder, holds a five-day-old female African white lion cub as her female dog, named Nebla, licks the cub to stimulate its digestion at the La Pequena Africa (Little Africa) animal reserve in Jimena de la Frontera, Spain, October 29, 2021. REUTERS/Jon Nazca 

A keeper caresses a two-moth-old African lion, named Simba, at the La Pequena Africa (Little Africa) animal reserve, where two five-day-old male and female African white lion cubs were born, in Jimena de la Frontera, Spain, October 29, 2021. REUTERS/Jon Nazca 

Two five-day-old male and female white lion cubs rest in a baby crib at the La Pequena Africa (Little Africa) animal reserve in Jimena de la Frontera, Spain, October 29, 2021. REUTERS/Jon Nazca 

Fabiola Mesa, biologist, holds a five-day-old male white African lion cub at the La Pequena Africa (Little Africa) animal reserve in Jimena de la Frontera, Spain, October 29, 2021. REUTERS/Jon Nazca 

Simba, an African lion, father of two five-day-old male and female white lion cubs, looks on in his enclosure at the La Peque?a Africa (Little Africa) animal reserve in Jimena de la Frontera, Spain, October 29, 2021. REUTERS/Jon Nazca 

Simba, an African lion, father of two five-day-old male and female white lion cubs, looks on in his enclosure at the La Peque?a Africa (Little Africa) animal reserve in Jimena de la Frontera, Spain, October 29, 2021. REUTERS/Jon Nazca 

Elisabet Rodriguez, breeder, holds a five-day-old female African white lion cub as her female dog, named Kiara, licks the cub to stimulate its digestion at the La Peque?a Africa (Little Africa) animal reserve in Jimena de la Frontera, Spain, October 29, 2021. REUTERS/Jon Nazca 

The white lions Mombasa and Nala rest at a private zoo closed to the public, during the coronavirus disease (COVID-19) pandemic, in Felsolajos, Hungary, March 22, 2021. Picture taken March 22, 2021. REUTERS/Bernadett Szabo 

Nala, a white lion, roars at a private zoo closed to the public, during the coronavirus disease (COVID-19) pandemic, in Felsolajos, Hungary, March 22, 2021. Picture taken March 22, 2021. REUTERS/Bernadett Szabo 

White lions are seen in their enclosure at an empty private zoo called "12 Months", amid the spread of coronavirus disease (COVID-19) in the town of Demydiv, Ukraine May 8, 2020. The private zoo, which closed its doors to visitors during Ukraine's coronavirus lockdown, has almost run out of money and can barely cover utility bills to maintain conditions for its animals. Picture taken May 8, 2020. REUTERS/Gleb Garanich 

A white lion is seen in its enclosure, as an employee prepares food, at an empty private zoo called "12 Months", amid the spread of coronavirus disease (COVID-19) in the town of Demydiv, Ukraine May 8, 2020. The private zoo, which closed its doors to visitors during Ukraine's coronavirus lockdown, has almost run out of money and can barely cover utility bills to maintain conditions for its animals. Picture taken May 8, 2020. REUTERS/Gleb Garanich 

A white lion looks at meat in its enclosure of an empty private zoo called "12 Months", amid the spread of coronavirus disease (COVID-19) in the town of Demydiv, Ukraine May 8, 2020. The private zoo, which closed its doors to visitors during Ukraine's coronavirus lockdown, has almost run out of money and can barely cover utility bills to maintain conditions for its animals. Picture taken May 8, 2020. REUTERS/Gleb Garanich 

Two newly-born white lion cubs are seen in Pafos Zoo during the outbreak of the coronavirus disease (COVID-19), in Peyia, Cyprus May 3, 2020. Picture taken May 3, 2020. REUTERS/Yiannis Kourtoglou 

Two newly-born white lion cubs are seen in Pafos Zoo during the outbreak of the coronavirus disease (COVID-19), in Peyia, Cyprus May 3, 2020. Picture taken May 3, 2020.REUTERS/Yiannis Kourtoglou 

Two newly-born white lion cubs are seen in Pafos Zoo during the outbreak of the coronavirus disease (COVID-19), in Peyia, Cyprus May 3, 2020. Picture taken May 3, 2020. REUTERS/Yiannis Kourtoglou 

Two newly-born white lion cubs are seen in Pafos Zoo during the outbreak of the coronavirus disease (COVID-19), in Peyia, Cyprus May 3, 2020. Picture taken May 3, 2020. REUTERS/Yiannis Kourtoglou 

Two newly born white lion cubs are seen in Pafos Zoo during the coronavirus disease (COVID-19) outbreak in Peyia, Cyprus May 3, 2020. Picture taken May 3, 2020. REUTERS/Yiannis Kourtoglou TPX IMAGES OF THE DAY 

A white lion, named Simba, is seen in Pafos Zoo during the outbreak of the coronavirus disease (COVID-19), in Peyia, Cyprus May 3, 2020. Picture taken May 3, 2020. REUTERS/Yiannis Kourtoglou 

A white lion, named Simba, is seen with Ioulios Christoforou owner and veterinarian of Pafos Zoo during the outbreak of the coronavirus disease (COVID-19), in Peyia, Cyprus May 3, 2020. Picture taken May 3, 2020. REUTERS/Yiannis Kourtoglou 

Zeus, father of the two newly-born white lion cubs is seen in Pafos Zoo in Peyia, Cyprus May 3, 2020. Picture taken May 3, 2020. REUTERS/Yiannis Kourtoglou 

Zeus, father of the two newly-born white lion cubs is seen in Pafos Zoo in Peyia, Cyprus May 3, 2020. Picture taken May 3, 2020. REUTERS/Yiannis Kourtoglou 

Hera, mother of the two newly-born white lion cubs is seen in Pafos Zoo in Peyia, Cyprus May 3, 2020. Picture taken May 3, 2020. REUTERS/Yiannis Kourtoglou 

A boy looks at white lions at their enclosure at Khao Kheow Zoo in Chonburi, Thailand November 30, 2019. REUTERS/Jorge Silva 

A boy looks at white lions at their enclosure at Khao Kheow Zoo in Chonburi, Thailand November 30, 2019. REUTERS/Jorge Silva 

A white lion is seen behind a cage after bathing in water to cool off at Al Zawra zoo in Baghdad, Iraq, June 29, 2019. Picture taken June 29, 2019. REUTERS/Thaier al-Sudani 

A white lion is seen behind the cage as a keeper sprays water to cool him off at Al Zawra zoo in Baghdad, Iraq, June 29, 2019. REUTERS/Thaier al-Sudani 

A white lion is seen behind the cage as a keeper sprays water to cool him off at Al Zawra zoo in Baghdad, Iraq, June 29, 2019. REUTERS/Thaier al-Sudani 

A newly-born white lion cub, named Simba, is seen in Paphos zoo, Cyprus April 14, 2019. REUTERS/Yiannis Kourtoglou 

A newly-born white lion cub, named Simba, is seen in Paphos zoo, Cyprus April 14, 2019. REUTERS/Yiannis Kourtoglou 

A newly-born white lion cub, named Simba, is seen in Paphos zoo, Cyprus April 14, 2019. REUTERS/Yiannis Kourtoglou 

A newly-born white lion cub, named Simba, is seen in Paphos zoo, Cyprus April 14, 2019. REUTERS/Yiannis Kourtoglou 

A newly-born white lion cub, named Simba, is seen in Paphos zoo, Cyprus April 14, 2019. REUTERS/Yiannis Kourtoglou 

A newly-born white lion cub, named Simba, is seen in Paphos zoo, Cyprus April 14, 2019. REUTERS/Yiannis Kourtoglou 

Statue of lion from the Hesse coat of arms, painted green and white which symbolises the coalition between CDU and Greens is seen during the last Green Party campaign rally prior to the upcoming state election in Frankfurt, Germany, October 25, 2018. REUTERS/Ralph Orlowski 

A two-month-old white tiger (C), abandoned by its mother, plays with a Golden Retriever puppy next to an African lion at Beijing Wildlife Park on the outskirts of Beijing, China, August 30, 2018. REUTERS/Jason Lee 

A child observes Civa Sumac, a white Bengal tiger, at Huachipa zoo in Lima, Peru July 26, 2018. REUTERS/Mariana Bazo 

A white Bengal tiger is seen at Huachipa zoo in Lima, Peru July 26, 2018. REUTERS/Mariana Bazo 

Visitors observe Civa Sumac, a white Bengal tiger, at Huachipa zoo in Lima, Peru July 26, 2018. REUTERS/Mariana Bazo 

Civa Sumac, a white Bengal tiger is seen at Huachipa zoo in Lima, Peru July 26, 2018. REUTERS/Mariana Bazo 

A couple of white lion cubs are seen during a presentation at Huachipa zoo in Lima, Peru July 26, 2018. REUTERS/Mariana Bazo 

Visitors observe a couple of white lion cubs at Huachipa zoo in Lima, Peru July 26, 2018. REUTERS/Mariana Bazo 

A female white lion cub is seen during a presentation at Huachipa zoo in Lima, Peru July 26, 2018. REUTERS/Mariana Bazo 

A female white lion cub is seen during a presentation at Huachipa zoo in Lima, Peru July 26, 2018. REUTERS/Mariana Bazo 

A female white lion cub is seen during a presentation at Huachipa zoo in Lima, Peru July 26, 2018. REUTERS/Mariana Bazo 

A couple of white lion cubs are seen during a presentation at Huachipa zoo in Lima, Peru July 26, 2018. REUTERS/Mariana Bazo 

A couple of white lion cubs are seen during a presentation at Huachipa zoo in Lima, Peru July 26, 2018. REUTERS/Mariana Bazo 

A female white lion cub is seen during a presentation at Huachipa zoo in Lima, Peru July 26, 2018. REUTERS/Mariana Bazo 

A couple of white lion cubs are seen during a presentation at Huachipa zoo in Lima, Peru July 26, 2018. REUTERS/Mariana Bazo 

A couple of white lion cubs are seen during a presentation at Huachipa zoo in Lima, Peru July 26, 2018. REUTERS/Mariana Bazo 

A couple of white lion cubs are seen during a presentation at Huachipa zoo in Lima, Peru July 26, 2018. REUTERS/Mariana Bazo 

Snow covers the lions in Trafalgar Square, in central London, Britain March 2, 2018. REUTERS/Andrew Winning