A Hong Kong Correctional Services Dog Unit (CSDU) officer demonstrates training at the CSDU training facility in Stanley, Hong Kong, China, 27 February 2018. The Hong Kong CSDU consists of 29 staff members divided across six dog teams. According to the department's latest figure from 2017, the average daily penal population of Hong Kong was 8,529. (Photo by Jérôme Favre/EPA/EFE)

Bronn, a Dutch shepherd, launches 22 feet, 6 inches, during the Dock Dogs Outdoor Big Air for the GoPro Mountain Games, Thursday, June 9, 2022, at Lionshead Village in Vail, Colo. The big air is always a crowd favorite as dogs can fly nearly 30 feet in distance through the air. (Photo by Chris Dillmann/Vail Daily via AP Photo)

A cat and a dog stray along a side street in Las Pinas city, Metro Manila, Philippines, 02 July 2023. A significant number of dogs and cats left wandering in streets could lead to potential health hazard due to rabies. Amidst Covid-19 pandemic, displaced pet owners who lost their job because their employers closed or lost business were forced to leave their animals in the city as they migrate elsewhere. (Photo by Francis R. Malasig/EPA)

Chilean police officers march with the puppies of future police dogs during the annual military parade at the Bernardo O'Higgins park in Santiago, Chile, September 19, 2018. (Photo by Rodrigo Garrido/Reuters)

This unique collection of photographs shows the concentrated faces of dogs just before catching their beloved treats. Professional photographer Christian Vieler, from Germany, shot the latest series of his “Dogs Catching Treats in Trouble” collection with hilarious results. Here: Hudson the Rhodesian Ridgeback. (Photo by Christian Vieler/Caters News Agency)

An army dog stands up as retiring soldiers salute their guard post before retirement in Suqian, Jiangsu province, China on November 29, 2017. (Photo by Reuters/China Stringer Network)

A dog is seen at the entrance of a house in the flooded residential area of Villeneuve-Saint-Georges, near Paris, France January 26, 2018. The Paris region has been deeply affected by the floods that hit the country over the past week, but in Paris, it was business as usual. (Photo by Christian Hartmann/Reuters)

View of an American marine as he lies in a foxhole and whistles at a husky, one of the scouting dogs used during the landing on Guam, August 1944. (Photo by W. Eugene Smith/Time & Life Pictures/Getty Images)