A chimpanzee feeding a leopard cub at Southam Park Zoo, Warwickshire. (Photo by Ian Tyas/Keystone Features/Getty Images). 1971

In this Thursday, March 28, 2019, photo, a “golden giant burger” is served at a restaurant of Hotel Grand Hyatt Tokyo in Tokyo. The $900 wagyu (Japanese-produced beef) burger was unveiled to commemorate the era change. What’s in a name? Quite a lot if you’re a Japanese citizen awaiting the official announcement Monday, April 1, 2019 of what the soon-to-be-installed new emperor’s next era will be called. It’s a proclamation that has happened only twice in nearly a century, and the new name will follow Emperor Naruhito, after his May 1 investiture, for the duration of his rule, attaching itself to much of what happens in Japan. (Photo by Kyodo News via AP Photo)

Two stags fight in a wildlife park in Aurach near Kitzbuehel, in the Austrian province of Tyrol. (Photo by Kerstin Joensson/Associated Press)

A little girl takes a picture of a lion in the zoo in Frankfurt, Germany, Tuesday, September 13, 2016. (Photo by Michael Probst/AP Photo)

A wrestling camel adorned with colourful ornaments takes part in the Camel Beauty Contest ahead of the annual 40th Efes Selcuk Camel Wrestling Festival, in the Aegean town of Selcuk, near Izmir, Turkey on January 15, 2022. (Photo by Murad Sezer/Reuters)

Dogs are seen at the 2021 Pawlidays celebration at Sofitel Hotel Los Angeles on December 18, 2021 in Los Angeles, California. (Photo by Emma McIntyre/Getty Images)

American actress Aubrey Plaza (L) dances with American actress and model Madelyn Cline while sipping Avaline sparkling at Stella McCartney and Baz Luhrmann's Met Gala after party with Casamigos Tequila in Manhattan, New York on May 1, 2023. (Photo by Matteo Prandoni/BFA.com)