Zoo and wildlife veterinarian Arsinoi Psaroudaki, 32, checks a white tiger cub that was abandoned outside the Attica Zoological Park and is believed to be a victim of illegal wildlife trade, at the zoo's infirmary, in Athens, Greece, March 17, 2023. REUTERS/Stelios Misinas 

A white tiger cub that was abandoned outside the Attica Zoological Park and is believed to be a victim of illegal wildlife trade, drinks water at the zoo's infirmary, in Athens, Greece, March 17, 2023. REUTERS/Stelios Misinas 

A white tiger cub that was abandoned outside the Attica Zoological Park and is believed to be a victim of illegal wildlife trade, is seen at the zoo's infirmary, in Athens, Greece, March 17, 2023. REUTERS/Stelios Misinas 

Doctor of Veterinary Medicine Ioannis Panopoulos, 40, checks a white tiger cub that was abandoned outside the Attica Zoological Park and is believed to be a victim of illegal wildlife trade, at a clinic in Athens, Greece, March 15, 2023. REUTERS/Stelios Misinas 

Doctor of Veterinary Medicine Ioannis Panopoulos, 40, veterinarian anaesthesiologist George Polyzois, 28, and zoo and wildlife veterinarian Arsinoi Psaroudaki, 32, check a white tiger cub that was abandoned outside the Attica Zoological Park and is believed to be a victim of illegal wildlife trade, at a clinic in Athens, Greece, March 15, 2023. REUTERS/Stelios Misinas 

Veterinarian anaesthesiologist Stylianos Mantzios, 35, checks a white tiger cub that was abandoned outside the Attica Zoological Park and is believed to be a victim of illegal wildlife trade, before a CT scan at a clinic in Athens, Greece, March 15, 2023. REUTERS/Stelios Misinas 

A white tiger cub that was abandoned outside the Attica Zoological Park and is believed to be a victim of illegal wildlife trade, prepares for a CT scan, in Athens, Greece, March 15, 2023. REUTERS/Stelios Misinas 

A white tiger cub that was abandoned outside the Attica Zoological Park and is believed to be a victim of illegal wildlife trade, prepares for a CT scan at a clinic in Athens, Greece, March 15, 2023. REUTERS/Stelios Misinas 

A veterinarian holds the paw of a white tiger cub that was abandoned outside the Attica Zoological Park and is believed to be a victim of illegal wildlife trade, at a clinic in Athens, Greece, March 15, 2023. REUTERS/Stelios Misinas 

Veterinarian anaesthesiologist Stylianos Mantzios, 35, checks a white tiger cub that was abandoned outside the Attica Zoological Park and is believed to be a victim of illegal wildlife trade, before a CT scan at a clinic in Athens, Greece, March 15, 2023. REUTERS/Stelios Misinas TPX IMAGES OF THE DAY 

A white Bengal tiger is seen at the zoo in Havana, Cuba, July 29, 2022. REUTERS/Alexandre Meneghini 

A child looks at a Malayan white tiger during hot weather as a heatwave hits Europe, at Rome Zoo in Rome, Italy, July 19, 2022. REUTERS/Yara Nardi 

People take a selfie with a Malayan white tiger in the backgorund during hot weather as a heat wave hits Europe, at Rome Zoo in Rome, Italy, July 19, 2022. REUTERS/Yara Nardi 

People celebrate during the Lunar New Year Parade in Chinatown in New York, U.S., February 20, 2022. REUTERS/Jeenah Moon 

A tiger receives a medical treatment at Al Rawasy Veterinary Clinic in Benghazi, Libya January 19, 2022. Picture taken January 19, 2022 REUTERS/Esam Omran Al-Fetori 

Golf - PNC Championship - The Ritz-Carlton Golf Club, Orlando, Florida, U.S. - December 18, 2021 Tiger Woods of the U.S. talks to the media at the end of the first round REUTERS/Joe Skipper 

PBS television character Daniel Tiger and other characters entertain children during an event hosted by U.S. first lady Jill Biden as part of the Christmas decoration and holiday reception kickoff at the White House in Washington, U.S., November 29, 2021. REUTERS/Jonathan Ernst 

A person dressed as PBS television character Daniel Tiger gives a fist bump to a child during an event with children hosted by U.S. first lady Jill Biden as part of the Christmas decoration and holiday reception kickoff at the White House in Washington, U.S., November 29, 2021. REUTERS/Jonathan Ernst 

A White Bengal Tiger is seen resting inside a pool at National Zoo in Kuala Lumpur, Malaysia May 1, 2021. REUTERS/Lim Huey Teng 

A white bengal tiger cub is seen beside its mother at the zoo in Havana, Cuba, April 14, 2021. Picture taken on April 14, 2021. REUTERS/Alexandre Meneghini 

A white bengal tiger cub is seen inside a cage at the zoo in Havana, Cuba, April 14, 2021. Picture taken on April 14, 2021. REUTERS/Alexandre Meneghini 

White Bengal tigers Mohini and Begum react with their owner Tibor Toth 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 

Mohini, a white Bengal tiger, reacts with his owner Tibor Toth 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 

Rugby Union - European Challenge Cup - Preliminary Stage - Leicester Tigers v Brive - Welford Road Stadium, Leicester, Britain - December 11, 2020 Leicester Tigers' Ben White in action with Brive's Stan South Action Images via Reuters/Matthew Childs 

Rugby Union - Premiership - Wasps v Leicester Tigers - Ricoh Arena, Coventry, Britain - September 9, 2020 Wasps' Marcus Watson in action with Leicester Tigers' Ben White Action Images/Andrew Boyers 

Chiafa, a white Bengal tiger, is pictured at Sofia city zoo, after it opened its doors to the public this week after being closed for over two months amid the outbreak of the coronavirus disease (COVID-19), Bulgaria, May 15, 2020. REUTERS/Stoyan Nenov 

Chiafa, a white Bengal tiger, is pictured at Sofia city zoo, after it opened its doors to the public this week after being closed for over two months amid the outbreak of the coronavirus disease (COVID-19), Bulgaria, May 15, 2020. REUTERS/Stoyan Nenov 

Chiafa, a white Bengal tiger, is pictured at Sofia city zoo, after it opened its doors to the public this week after being closed for over two months amid the outbreak of the coronavirus disease (COVID-19), Bulgaria, May 15, 2020. REUTERS/Stoyan Nenov 

Chiafa, a white Bengal tiger, is pictured at Sofia city zoo, after it opened its doors to the public this week after being closed for over two months amid the outbreak of the coronavirus disease (COVID-19), Bulgaria, May 15, 2020. REUTERS/Stoyan Nenov 

A white tiger is seen in its enclosure at an empty private zoo called "12 Months" in the town of Demydiv, Ukraine May 8, 2020. Picture taken May 8, 2020. A 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. REUTERS/Gleb Garanich 

Rugby Union - Premiership - Leicester Tigers v Wasps - Welford Road Stadium, Leicester, Britain - February 15, 2020 Leicester Tigers' Ben White in action with Wasps' Zach Kibirige Action Images/Molly Darlington 

Rugby Union - Premiership - Leicester Tigers v Wasps - Welford Road Stadium, Leicester, Britain - February 15, 2020 Leicester Tiger's Ben White in action with Wasps' Zach Kibirige Action Images/Molly Darlington 

U.S. President Donald Trump is presented with a special jersey with his name on it from Joe Burrow of the 2019 NCAA National Championship Football team's Louisiana State University Tigers in the White House in Washington, D.C., U.S., January 17, 2020. REUTERS/Leah Millis 

U.S. President Donald Trump speaks as he welcomes the 2019 NCAA National Championship Football team the Louisiana State University Tigers to the White House in Washington, D.C., U.S., January 17, 2020. REUTERS/Leah Millis 

U.S. President Donald Trump greets Head Coach Ed Orgeron and his wife Kelly as he welcomes the 2019 NCAA National Championship Football team the Louisiana State University Tigers to the White House in Washington, D.C., U.S., January 17, 2020. REUTERS/Leah Millis 

U.S. President Donald Trump speaks as he welcomes the 2019 NCAA National Championship Football team the Louisiana State University Tigers to the White House in Washington, D.C., U.S., January 17, 2020. REUTERS/Leah Millis 

U.S. President Donald Trump greets Head Coach Ed Orgeron and his wife Kelly as he welcomes the 2019 NCAA National Championship Football team the Louisiana State University Tigers to the White House in Washington, D.C., U.S., January 17, 2020. REUTERS/Leah Millis 

U.S. President Donald Trump speaks as he welcomes the 2019 NCAA National Championship Football team the Louisiana State University Tigers to the White House in Washington, D.C., U.S., January 17, 2020. REUTERS/Leah Millis 

U.S. President Donald Trump welcomes the 2019 NCAA National Championship Football team the Louisiana State University Tigers to White House in Washington, D.C., U.S., January 17, 2020. REUTERS/Leah Millis 

U.S. President Donald Trump welcomes the 2019 NCAA National Championship Football team the Louisiana State University Tigers to White House in Washington, D.C., U.S., January 17, 2020. REUTERS/Leah Millis 

U.S. President Donald Trump welcomes the 2019 NCAA National Championship Football team the Louisiana State University Tigers to White House in Washington, D.C., U.S., January 17, 2020. REUTERS/Leah Millis 

Royal white tiger Mumbai is pictured at the Pairi Daiza wildlife park, a zoo and botanical garden in Brugelette, Belgium August 2, 2019. REUTERS/Yves Herman 

Royal white tiger Mumbai is pictured at the Pairi Daiza wildlife park, a zoo and botanical garden in Brugelette, Belgium August 2, 2019. REUTERS/Yves Herman 

Royal white tigers, Mumbai and his sister Sanka, are pictured at the Pairi Daiza wildlife park, a zoo and botanical garden in Brugelette, Belgium August 2, 2019. REUTERS/Yves Herman 

Royal white tigers, Mumbai and his sister Sanka, are pictured at the Pairi Daiza wildlife park, a zoo and botanical garden in Brugelette, Belgium August 2, 2019. REUTERS/Yves Herman 

Royal white tigers, Mumbai and his sister Sanka, are pictured at the Pairi Daiza wildlife park, a zoo and botanical garden in Brugelette, Belgium August 2, 2019. REUTERS/Yves Herman 

Royal white tigers, Mumbai and his sister Sanka, are pictured at the Pairi Daiza wildlife park, a zoo and botanical garden in Brugelette, Belgium August 2, 2019. REUTERS/Yves Herman 

Royal white tigers, Mumbai and his sister Sanka, are pictured at the Pairi Daiza wildlife park, a zoo and botanical garden in Brugelette, Belgium August 2, 2019. REUTERS/Yves Herman 

Royal white tigers, Mumbai and his sister Sanka, are pictured at the Pairi Daiza wildlife park, a zoo and botanical garden in Brugelette, Belgium August 2, 2019. REUTERS/Yves Herman 

Royal white tiger Sanka is pictured at the Pairi Daiza wildlife park, a zoo and botanical garden in Brugelette, Belgium August 2, 2019. REUTERS/Yves Herman 

Royal white tigers, Mumbai and his sister Sanka, are pictured at the Pairi Daiza wildlife park, a zoo and botanical garden in Brugelette, Belgium August 2, 2019. REUTERS/Yves Herman 

Royal white tiger Sanka is pictured at the Pairi Daiza wildlife park, a zoo and botanical garden in Brugelette, Belgium August 2, 2019. REUTERS/Yves Herman 

Khan, an eight-year-old male White Bengal tiger, plays inside an open-air cage, as illumination is lit on for late visitors to observe animals at night environment, at the Royev Ruchey zoo in Krasnoyarsk, Russia, July 2, 2019. Picture taken July 2, 2019. REUTERS/Ilya Naymushin 

A litter of white Bengal tiger cubs, who were born in May, is pictured at the White Zoo in Kernhof, Austria June 6, 2019. REUTERS/Leonhard Foeger TPX IMAGES OF THE DAY 

White Bengal tiger cubs are seen at the zoo in Managua, Nicaragua June 5, 2019. Picture taken June 5,2019. REUTERS/Oswaldo Rivas 

White Bengal tiger cubs are seen at the zoo in Managua, Nicaragua June 5, 2019. Picture taken June 5,2019. REUTERS/Oswaldo Rivas 

A white Bengal tiger cub is seen at the zoo in Managua, Nicaragua June 5, 2019. Picture taken June 5,2019. REUTERS/Oswaldo Rivas 

A white Bengal tiger cub is seen at the zoo in Managua, Nicaragua June 5, 2019. Picture taken June 5,2019. REUTERS/Oswaldo Rivas 

White Bengal tiger cubs play at the zoo in Managua, Nicaragua June 5, 2019. Picture taken June 5,2019. REUTERS/Oswaldo Rivas 

A litter of white Bengal tiger cubs, who were born in May, is pictured at the White Zoo in Kernhof, Austria June 6, 2019. REUTERS/Leonhard Foeger