A tufted puffin is seen in Kamchatka Territory, Russia on July 17, 2018. (Photo by Yuri Smityuk/TASS)

An Indian Royal Bengal tiger looks on at an enclosure on World Tiger Day at Alipore Zoo, Kolkata, India, 29 July 2019. Kolkata zoo authority added a new Tiger to the zoo for the visitors to mark the Tiger Day. Students of Kolkata are also taking part in an awareness campaign aiming to draw attention to the threats that tigers face due to habitat loss and poaching. (Photo by Piyal Adhikary/EPA/EFE)

Pistachio, a puppy who was born with green fur, is seen on the day he was born on a farm on the island of Sardinia, in Pattada, Italy, October 9, 2020. (Photo by Cristian Mallocci/Handout via Reuters)

Two young deer seem to look bashfully at the camera after a playfight in Bushy Park, London early February 2023. (Photo by Lesley Marshall/South West News Service)

Dennis Hong a professor of Mechanical & Aerospace Engineering at UCLA Samueli School of Engineering attempts to impede the movement of ARTEMIS, a full-sized humanoid robot with first-of-its-kind technology in Los Angeles, California, U.S., April 13, 2023. (Photo by Mike Blake/Reuters)

A painted stork eats a fish as it is pictured in the Delhi Zoo in New Delhi on December 5, 2024. (Photo by Sajjad Hussain/AFP Photo)

Tufted capuchin (Sapajus apella) receives a special red envelope containing delicious food to celebrate Chinese New Year at the Chongqing Zoo on January 28, 2025 in Chongqing, China. (Photo by Wang Chengjie/VCG via Getty Images)

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)