This adorable gallery reveals the astonished expressions of dozens of puppies as they try to gobble up treats flying through the air toward them. Photographer Christian Vieler, 48, has been documenting pooches, with their eyes bulging, mouths wide open and looks of love on their faces, in his studio as part of the project “Dogs Catching Treats” since 2013. (Photo by Christian Vieler/Caters News Agency)

In this November 17, 2014 photo, Pancho, a domesticated huitia, confronts a camera, in Bainoa, Cuba. With their rope-like, dark tails, long front teeth, and whiskers that appear to be vibrating, huitias look like giant rats. They measure nearly a foot long (about 30 centimeters), with the largest ones weighing in bigger than a small dog. (Photo by Ramon Espinosa/AP Photo)

National Geographic invites photographers from around the world to enter the 2013 National Geographic Photography Contest. The grand-prize winner will receive $10,000 (USD) and a trip to National Geographic headquarters in Washington, D.C., to participate in the annual National Geographic Photography Seminar in January 2014. Photo: “We just want to move to search to the Leopard at that morning but we found a group of giraffes come toward a small lake and start drinking it was a nice moment when the Giraffe finish from drinking and leave a letters “S” with motion in the air”. (Photo and caption by Majed Ali/National Geographic Photography Contest)

A hyena cub got a mouthful from his mum after it appears he got a right telling off. Michael Raddall, a animal enthusiast and wildlife photographer from South Africa, snapped the mum and cub at the Timbavati game reserve in South Africa while on safari at the Umlani Bush camp. (Photo by Michael Raddall/Caters News Agency)

This photograph taken on February 18,2023 shows Asriyanti Iskandar, a member of the Kuala Lumpur Freefly group kissing her Sun Conure parrot during a free-flight session in Bangi, on the outskirts of Kuala Lumpur. The group organises events on public holidays and weekends to share knowledge of their experiences of free-flight training with fellow bird enthusiasts. (Photo by Mohd Rasfan/AFP Photo)

Winner – Animal Portraits: The pose by Mogens Trolle, Denmark. A young male proboscis monkey cocks his head slightly and closes his eyes. Unexpected pale blue eyelids now complement his immaculately groomed auburn hair. He poses for a few seconds as if in meditation. He is a wild visitor to the feeding station at Labuk Bay Proboscis Monkey Sanctuary in Sabah, Borneo – “the most laid-back character”, says Trolle, “quite unlike anything I’ve ever seen on another monkey” – connects us, he hopes, with a fellow primate. (Photo by Mogens Trolle/Wildlife Photographer of the Year 2020)

A runner participates in the Santa Run 10K race in Caracas, Venezuela, Sunday, December 19, 2021. This is the first Santa Run since the start of the pandemic. (Photo by Ariana Cubillos/AP Photo)