Andreyka, a 10-month-old female bear cub, plays with Rommi, an Alaskan malamute, at the Siberian Zoo in the settlement of Listvyanka, Irkutsk Region, Russia on December 9, 2020. The bear cub, which was found in a weak condition earlier this year, now play-fights with the Alaskan malamute, who adopted her and has seen three generations of bear cubs brought up in the Siberian zoo and released back into the wild. (Photo by Yuri Novikov/Reuters)

A Sri Lankan leopard is pictured at a zoo in Dehiwala near Colombo on March 3, 2016, on World Wildlife Day. (Photo by Ishara S. Kodikara/AFP Photo)

Almost two years old male baby orang-utan Dalai looks on in the zoo in Dresden, Germany, 30 March 2017. Dalai was born to mother Daisy in June 2016. (Photo by Filip Singer/EPA)

A zookeeper counts penguins through an observation window during the annual stocktake at ZSL London Zoo in central London on January 3, 2023. (Photo by Justin Tallis/AFP Photo)

A first white-handed gibbon infant born at the Skopje Zoo is seen with his mother in Skopje, North Macedonia on May 9, 2019. (Photo by Ognen Teofilovski/Reuters)

People look at a black bear at the Chengdu zoo amid the coronavirus outbreak on March 26, 2020 in Chengdu, Sichuan Province of China. (Photo by Wang Lei/China News Service via Getty Images)

Sebastien Laurent, manager of the Zoo, gives a slice of cake to Major, the holdest captive Orang-Outang in the world, as part of its 50th birthday ceremony, on July 17, 2012, at the La Boissiere-du-Doree Zoo near Nantes, western France. (Photo by Alain Jocard/AFP Photo)

A young anoa, also known as midget buffalo, named Tycoon runs around at the Zoo in Berlin, Germany, on November 9, 2012. (Photo by Maurizio Gambarini/EPA)