Anfisa, a twelve-year-old female chimpanzee, picks its nose at the Royev Ruchey Zoo in a suburb of the Siberian city of Krasnoyarsk, Russia on October 18, 2017. (Photo by Ilya Naymushin/Reuters)

Meropidae are seen on a rock in Van in Turkey on March 03, 2018. (Photo by Ali Ihsan Ozturk/Anadolu Agency/Getty Images)

The endangered kea is the world’s only alpine parrot, and one of the most intelligent birds. They show no fear of humans and are thieves and pranksters. The parrot is seen in the Whakaari conservation area, near Glen Orchy in the Otago region of New Zealand, a place where historic huts and mining relics are surrounded by stunning mountains covered in tussock. (Photo by Murdo MacLeod/The Guardian)

A man waits with his camel to take part in a camel decoration competition at the Nagaur Cattle Fair, where animals like camels, cows, horses, and bulls are brought to be sold or traded, in Nagaur, in the desert state of Rajasthan, India February 2, 2017. (Photo by Himanshu Sharma/Reuters)

Birds sit on the back of a zebra in the Nairobi National Park, near Nairobi, Kenya, November 21, 2018. (Photo by Baz Ratner/Reuters)

A yawning leopard appears to be laughing instead at Chobe National Park in Botswana in January 2023. (Photo by Nick Dale/Solent News & Photo Agency)

A pair of red junglefowl fight over territory in Pasir Ris Park, Singapore in the second decade of February 2025. (Photo by Liew Tong Leng/Solent News)

A red deer looks as though it is yawning while it bellows at sunrise. The stag created a cloud of steamy breath as it was warmed by the first light of the sun in Richmond Park, London on October 28, 2025. (Photo by Cristian Vasile/Solent News & Photo Agency)