A dog trainer works with a previously abandoned dog at a police centre in Saltillo, Mexico March 4, 2016. Stray dogs are adopted by the police from a municipal anti-rabies centre and then trained to help the police patrol the streets, and search for drugs, explosives and weapons. (Photo by Daniel Becerril/Reuters)

A dog attends the Annual Tompkins Square Halloween Dog Parade in New York City, U.S., October 19, 2025. (Photo by Eduardo Munoz/Reuters)

Wild Thang, a Pekingese competing in the 2023 World’s Ugliest Dog Contest sits in the waiting kennel before the start of the annual World's Ugliest Dog contest at the Sonoma-Marin Fair in Petaluma, California, on June 23, 2023. Scooter was the winner of the 2023 World’s Ugliest Dog Competition. (Photo by Philip Pacheco/AFP Photo)

A trainer tries to convince a dog to jump over an obstacle during the Dog Olympic Games in Rio de Janeiro, Brazil, Sunday, September 18, 2016. Owner of the dog park and organizer of the animal event Marco Antonio Toto says his goal is to socialize humans and their pets while celebrating sports. (Photo by Silvia Izquierdo/AP Photo)

A dog sits in a plastic basin filled with water in Taipei, Taiwan, 05 May 2018. Betel nut seller Mr Luo, the dog's owner, said he puts his dog Ah Dai (Stupid Guy) in the water-filled basin whenever the weather get hot. Luo has a dozen pairs of glasses for Ah Dai, so the dog wears different glasses every day and many tourists take photos of Ah Dai. (Photo by David Chang/EPA/EFE)

Muharrem Yilmaz, 78, takes his dog “Toprak” to a scooter and a swing ride everyday in Aydin, Turkiye on June 14, 2024. Yilmaz started taking his dog to long scooter rides after realising it likes to play with his grandkids' scooter. Then, he made a swing out of fruit boxes for the dog. Yilmaz adopted his dog Toprak two years ago when he found it in a restaurant garden as a lost puppy. (Photo by Ferdi Uzun/Anadolu via Getty Images)

In this Tuesday, March 12, 2019 photo, a visitor takes part in an immersive experience showing visitors how dogs see from inside the head of a dog at the California Science Center in Los Angeles. A new exhibit at a Los Angeles museum examines the relationship between dogs and humans and explores why the two species seem to think so much alike and get along so well. “Dogs! A Science Tail” opens Saturday, March 16, 2019, at the California Science Center. (Photo by Richard Vogel/AP Photo)

A dog at the Zoozashchita-NN veterinary clinic in Nizhny Novgorod, Russia on February 19, 2021. On February 13, 13 stray dogs with bright blue fur were found and caught at the Dzerzhinskoye Steklo (Dzerzhinsk Glass) factory producing acrylic glass and prussic acid in the city of Dzerzhinsk. The dogs' fur tested positive for the Prussian blue pigment; now the dogs are under supervision at the Zoozashchita-NN vet clinic in Nizhny Novgorod. (Photo by Mikhail Solunin/TASS)