Visitors at the National Zoo check out a parrotfish made from found waste from the ocean in Washington, DC on May 23, 2016. The artwork can be seen at the National Zoo until September 5th. (Photo by Keith Lane/The Washington Post)

Sloth “Paula” hangs from a branch in her enclosure at the zoo in Halle an der Saale, eastern Germany, on June 14, 2019. The two-toed sloth celebrated her 50th birthday and is, according to the zoo, the oldest sloth of the world. (Photo by Hendrik Schmidt/dpa/AFP Photo)

A baby tamandua, or anteater, named Poco sticks out its tongue on May 31, 2018. ZSL London Zoo is celebrating the creature’s surprise birth after they found a male to be the companion of its mother Ria last October. (Photo by ZSL London Zoo/PA Wire)

A veterinarian from the zoo of Besancon feeds “Soa”, a female crowned sifaka, in Besancon, eastern France, on February 18, 2019. The crowned sifaka is a critically endangered species from Madagascar. There were only 6 females over 20 individuals living in 7 zoos worldwide end of 2018. (Photo by Sébastien Bozon/AFP Photo)

Martin Lacey Jr. with a lion during the premiere of the Circus Krone program “Circus der Preistraeger” at Circus Krone on February 2, 2016 in Munich, Germany. (Photo by Hannes Magerstaedt/Getty Images)

A lion statue that sits outside the New York Public Library building wears a mask in the Manhattan borough of New York City, New York, U.S., September 28, 2020. (Photo by Carlo Allegri/Reuters)

The 18th Annual Buda County Fair and Weiner Dog Races was held at city park in Buda Sunday April 26, 2015 sponsored by the Lions Club. (Photo by Ralph Barrera/Austin American-Statesman)

Two chimpanzees share a piece of watermelon at Taronga Zoo on December 23, 2010 in Sydney, Australia. (Photo by Rick Stevens/Taronga Zoo via Getty Images)