Member of Twycross Zoo, Lily-Jean Morales, seven, visits The Gruffalo Discovery Land, a brand-new four-acre experience at Twycross Zoo, in Leicestershire on April 7, 2022, before it opens to the public on Saturday. (Photo by PA Wire Press Association)

An Aardvark is weighed by keeper Harry Maskell during a photo-call at ZSL Whipsnade Zoo on August 23, 2022 in Dunstable, England. As part of their regular check-ups, 10,000 animals are having their vital statistics recorded as a way of keeping track of their health and well-being at the UK's largest Zoo. (Photo by Leon Neal/Getty Images)

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)

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 monkey jumps from a branch at Yangon Zoological Gardens in Yangon, Myanmar, 06 April 2016. Yangon Zoological Gardens (Yangon Zoo) is the oldest and second largest zoo in Myanmar. (Photo by Lynn Bo Bo/EPA)

Chester Zoo in the second decade of August 2025 has welcomed a pair of tiny golden lion tamarins, named George, seven, and Leaf, 12. (Phoot by Chester Zoo)

A Ukrainian serviceman kisses his partner at the train station in Kramatorsk, Ukraine, Thursday, March 23, 2023. (Photo by Evgeniy Maloletka/AP Photo)

An Ukrainian serviceman caresses a cat near Bachmut, on March 23, 2023, amid the Russian invasion of Ukraine. (Photo by Aris Messinis/AFP Photo)