A ten-week-old North China leopard (Panthera pardus japonensis) is handled during a routine health check in the Zoo of Debrecen, northeastern Hungary, 30 January 2024. The female cub, which was born on 21 November 2023, belongs to a leopard subspecies that is endemic to the forest habitats of Northern China. (Photo by Zsolt Czegledi/EPA/EFE)

Nihon University professor and head of Nihon University Animal Medical Center Kazuya Edamura, 49, points to cat photos on a computer screen, which are used to train the AI of “CatsMe!”, an AI-driven smartphone application jointly developed by tech startup Carelogy and researchers at Nihon University that purports to tell when a cat is feeling pain, as he gives a lecture to students on diagnosing pain in cats, at the medical center in Fujisawa, south of Tokyo, Japan on June 11, 2024. (Photo by Issei Kato/Reuters)

A longhorn steer approaches a bystander after it got loose, Wednesday, July 10, 2024, in Fairview Township, Pa. Authorities managed to corral the animal and successfully recaptured it. (Photo by Dan Gleiter/The Patriot-News via AP Photo)

A pair of black-necked stilts fight over their marshland territory in Orlando, Florida in the last decade of July 2024. (Photo by Jake Landing/Solent News)

A model presents a creation by Spanish designer Juana Martin during the Women's Haute-Couture Fall/Winter 2023/2024 Fashion Week in Paris, on July 6, 2023. (Photo by Julien de Rosa/AFP Photo)

A baby elephant struggles to climb out of a dam before being rescued by rangers at Addo Elephant National Park in South Africa in the last decade of March 2025, having been pushed into the water by another elephant. (Photo by Anne Laing/Caters News Agency)

Competitors take part in the 8th annual World Gravy Wrestling Championships at the Rose n Bowl Pub in Bacup, north west England on August 31, 2015. Contestants must participate in fancy dress and wrestle in a pool of Lancashire Gravy for 2 minutes whilst being scored for a variety of wrestling moves. (Photo by Oli Scarff/AFP Photo)

The 26th annual National Geographic Traveler Photo Contest is now accepting submissions. Official categories include: “Travel Portraits”, “Outdoor Scenes”, “Sense of Place” and “Spontaneous Moments”. The contest is accepting entries until June 30. Photo: “Forest lights”. Aurora Borealis over the forest of the Pyhae Luosto National Park, Finland. (Photo and caption by Nicholas Roemmelt/National Geographic Traveler Photo Contest)