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 

Malayan tiger named Wira plays with a box during it's 2nd birthday celebration at National Zoo in Kuala Lumpur, Malaysia May 1, 2021. REUTERS/Lim Huey Teng 

Malayan tiger named Wira reacts during it's 2nd birthday celebration at National Zoo in Kuala Lumpur, Malaysia May 1, 2021. REUTERS/Lim Huey Teng 

Malayan tiger named Wira looks at its birthday cake during its 2nd birthday celebration at National Zoo in Kuala Lumpur, Malaysia May 1, 2021. REUTERS/Lim Huey Teng 

A Malayan Tiger interacts with a zookeeper inside a cage at the National Zoo in Kuala Lumpur, Malaysia May 1, 2021. REUTERS/Lim Huey Teng 

A Malayan Tiger is seen inside a cage at the National Zoo in Kuala Lumpur, Malaysia May 1, 2021. REUTERS/Lim Huey Teng 

Malayan tiger named Wira is seen with it's birthday cake during it's 2nd birthday celebration at National Zoo in Kuala Lumpur, Malaysia May 1, 2021. REUTERS/Lim Huey Teng 

Malayan tiger named Wira and it's brother Hebat are seen during their 2nd birthday celebration at National Zoo in Kuala Lumpur, Malaysia May 1, 2021. REUTERS/Lim Huey Teng 

Malayan tiger named Hebat smells a happy birthday sign during it's 2nd birthday celebration at National Zoo in Kuala Lumpur, Malaysia May 1, 2021. REUTERS/Lim Huey Teng 

Malayan tiger named Wira tastes a meat cake during its 2nd birthday celebration at National Zoo in Kuala Lumpur, Malaysia May 1, 2021. REUTERS/Lim Huey Teng 

A zoo keeper carries a newly born Malayan tiger cub in its enclosure at the Prague Zoo in Prague, Czech Republic November 14, 2017. REUTERS/David W Cerny TPX IMAGES OF THE DAY 

A zoo keeper weighs a newly born Malayan tiger cub in its enclosure at the Prague Zoo in Prague, Czech Republic November 14, 2017. REUTERS/David W Cerny 

A zoo keeper grabs a newly born Malayan tiger cub in its enclosure at the Prague Zoo in Prague, Czech Republic November 14, 2017. REUTERS/David W Cerny 

A zoo keeper carries a newly born Malayan tiger cub in its enclosure at the Prague Zoo in Prague, Czech Republic November 14, 2017. REUTERS/David W Cerny 

A zoo keeper carries a newly born Malayan tiger cub in its enclosure at the Prague Zoo in Prague, Czech Republic November 14, 2017. REUTERS/David W Cerny 

A newly born Malayan tiger cub eats meat in its enclosure at the Prague Zoo in Prague, Czech Republic November 14, 2017. REUTERS/David W Cerny 

A newly born Malayan tiger cub looks out of its enclosure at the Prague Zoo in Prague, Czech Republic November 14, 2017. REUTERS/David W Cerny 

Banya, a Malayan tiger, rests with its newly born cub in their enclosure at the Prague Zoo in Prague, Czech Republic November 14, 2017. REUTERS/David W Cerny 

Newly born Malayan tiger cubs rest in their enclosure at the Prague Zoo in Prague, Czech Republic November 14, 2017. REUTERS/David W Cerny 

Newly born Malayan tiger cubs rest in their enclosure at the Prague Zoo in Prague, Czech Republic November 14, 2017. REUTERS/David W Cerny 

Newly born Malayan tiger cubs rest in their enclosure at the Prague Zoo in Prague, Czech Republic November 14, 2017. REUTERS/David W Cerny 

Newly born Malayan tiger cubs rest in their enclosure at the Prague Zoo in Prague, Czech Republic November 14, 2017. REUTERS/David W Cerny 

Newly born Malayan tiger cubs rest in their enclosure at the Prague Zoo in Prague, Czech Republic November 14, 2017. REUTERS/David W Cerny 

A zoo keeper weighs a newly born Malayan tiger cub in its enclosure at the Prague Zoo in Prague, Czech Republic November 14, 2017. REUTERS/David W Cerny 

A zoo keeper prepares to weigh newly born Malayan tiger cubs in their enclosure at the Prague Zoo in Prague, Czech Republic November 14, 2017. REUTERS/David W Cerny 

A newly born Malayan tiger cub sits on a scale in its enclosure at the Prague Zoo in Prague, Czech Republic November 14, 2017. REUTERS/David W Cerny 

A newly born Malayan tiger cub yawns in its enclosure at the Prague Zoo, in Prague, Czech Republic November 14, 2017. REUTERS/David W Cerny 

A Malayan tiger sits in a pond at the National Zoo in Kuala Lumpur January 12, 2011. REUTERS/Bazuki Muhammad (MALAYSIA - Tags: ANIMALS) 

A Malayan tiger named "Kathy" is seen at the National Zoo in Kuala Lumpur December 17, 2009. Malaysian government launched a "Tiger Action Plan" to protect against wild tigers in the region, where the species was reported a drastic drop in population from at least 3,000 to around 500 over past 50 years. The initiative of the plan was to increase the amount of wild tiger to 1,000 by 2020. REUTERS/Bazuki Muhammad (MALAYSIA - Tags: ANIMALS ENVIRONMENT SOCIETY)