A disabled dog is seen next to canine mobility aids before a daily walk at The Man That Rescues Dogs Foundation in Chonburi, Thailand, January 28, 2021. Picture taken January 28, 2021. REUTERS/Athit Perawongmetha

A trainer from the canine service of Aeroflot airline trains sniffer dogs to detect the coronavirus in biomaterial from infected people near Sheremetyevo International Airport, outside Moscow, Russia October 9, 2020. REUTERS/Tatyana Makeyeva

A trainer from the canine service of Aeroflot airline trains a sniffer dog to detect the coronavirus in biomaterial from infected people at a range near Sheremetyevo International Airport, outside Moscow, Russia October 9, 2020. REUTERS/Tatyana Makeyeva

A trainer from the canine service of Aeroflot airline trains sniffer dogs to detect the coronavirus in biomaterial from infected people near Sheremetyevo International Airport, outside Moscow, Russia October 9, 2020. REUTERS/Tatyana Makeyeva

A sniffer dog is trained to detect the coronavirus in biomaterial from infected people at a range of the canine service of Aeroflot airline near Sheremetyevo International Airport, outside Moscow, Russia October 9, 2020. REUTERS/Tatyana Makeyeva

A trainer from the canine service of Aeroflot airline trains a sniffer dog to detect the coronavirus in biomaterial from infected people near Sheremetyevo International Airport, outside Moscow, Russia October 9, 2020. REUTERS/Tatyana Makeyeva

A trainer from the canine service of Aeroflot airline trains a sniffer dog to detect the coronavirus in biomaterial from infected people near Sheremetyevo International Airport, outside Moscow, Russia October 9, 2020. REUTERS/Tatyana Makeyeva

A trainer from the canine service of Aeroflot airline trains a sniffer dog to detect the coronavirus in biomaterial from infected people near Sheremetyevo International Airport, outside Moscow, Russia October 9, 2020. REUTERS/Tatyana Makeyeva

A trainer from the canine service of Aeroflot airline trains a sniffer dog to detect the coronavirus in biomaterial from infected people near Sheremetyevo International Airport, outside Moscow, Russia October 9, 2020. REUTERS/Tatyana Makeyeva

A trainer from the canine service of Aeroflot airline trains sniffer dogs to detect the coronavirus in biomaterial from infected people near Sheremetyevo International Airport, outside Moscow, Russia October 9, 2020. REUTERS/Tatyana Makeyeva TPX IMAGES OF THE DAY

A search and rescue team from Salt Lake City, Utah, including a canine, look for victims through gutted homes in the aftermath of the Almeda fire in Talent, Oregon, U.S., September 13, 2020. Picture taken with a drone. REUTERS/Adrees Latif

A search and rescue team, including a canine, from Salt Lake City, Utah, look for victims through gutted homes in the aftermath of the Almeda fire in Talent, Oregon, U.S., September 13, 2020. Picture taken with a drone. REUTERS/Adrees Latif

A member of a search and rescue team from Salt Lake City, including a canine named Kya, look for victims through gutted homes in the aftermath of the Almeda fire in Talent, Oregon, U.S., September 13, 2020. REUTERS/Adrees Latif

A member of a search and rescue team from Salt Lake City, including a canine named Kya, look for victims through gutted homes in the aftermath of the Almeda fire in Talent, Oregon, U.S., September 13, 2020. REUTERS/Adrees Latif

A member of a search and rescue team from Salt Lake City, including a canine named Kya, look for victims through gutted homes in the aftermath of the Almeda fire in Talent, Oregon, U.S., September 13, 2020. REUTERS/Adrees Latif TPX IMAGES OF THE DAY

A search and rescue team, including a canine, from Salt Lake City, Utah, look for victims through gutted homes in the aftermath of the Almeda fire in Talent, Oregon, U.S., September 13, 2020. Picture taken with a drone. REUTERS/Adrees Latif TPX IMAGES OF THE DAY

A search and rescue team, including a canine, from Salt Lake City, Utah, look for victims through gutted homes in the aftermath of the Almeda fire in Talent, Oregon, U.S., September 13, 2020. Picture taken with a drone. REUTERS/Adrees Latif

Members of an all-female group of canine rescuers from the Italian School of Rescue Dogs (La Scuola Italiana Cani Salvataggio) attend a training session with their dogs before patrolling the beach to ensure swimmers can enjoy their time at the sea in safety, in Riva dei Tarquini, near Rome, Italy, August 25, 2020. REUTERS/Guglielmo Mangiapane

A rescue dog shakes water off as all-female group of canine rescuers from the Italian School of Rescue Dogs (La Scuola Italiana Cani Salvataggio) attend a training session with their dogs before patrolling the beach to ensure swimmers can enjoy their time at the sea in safety, in Riva dei Tarquini, near Rome, Italy, August 25, 2020. REUTERS/Guglielmo Mangiapane

A member of an all-female group of canine rescuers from the Italian School of Rescue Dogs (La Scuola Italiana Cani Salvataggio) attends a training session with her dog before patrolling the beach to ensure swimmers can enjoy their time at the sea in safety, in Riva dei Tarquini, near Rome, Italy, August 25, 2020. REUTERS/Guglielmo Mangiapane TPX IMAGES OF THE DAY

A member of an all-female group of canine rescuers from the Italian School of Rescue Dogs (La Scuola Italiana Cani Salvataggio) attends a training session with her dog before patrolling the beach to ensure swimmers can enjoy their time at the sea in safety, in Riva dei Tarquini, near Rome, Italy, August 25, 2020. REUTERS/Guglielmo Mangiapane

A member of an all-female group of canine rescuers from the Italian School of Rescue Dogs (La Scuola Italiana Cani Salvataggio) attends a training session with her dog before patrolling the beach to ensure swimmers can enjoy their time at the sea in safety, in Riva dei Tarquini, near Rome, Italy, August 25, 2020. REUTERS/Guglielmo Mangiapane

Lifejackets for dogs are seen at the Italian School of Rescue Dogs (La Scuola Italiana Cani Salvataggio) headquarters before an all-female group of canine rescuers start patrolling the beach to ensure swimmers can enjoy their time at the sea in safety, in Riva dei Tarquini, near Rome, Italy, August 25, 2020. REUTERS/Guglielmo Mangiapane

A member of an all-female group of canine rescuers from the Italian School of Rescue Dogs (La Scuola Italiana Cani Salvataggio) attends a training session with her dog before patrolling the beach to ensure swimmers can enjoy their time at the sea in safety, in Riva dei Tarquini, near Rome, Italy, August 25, 2020. REUTERS/Guglielmo Mangiapane

A tattoo in pictured on the shoulder of a member of an all-female group of canine rescuers from the Italian School of Rescue Dogs (La Scuola Italiana Cani Salvataggio) as she gets ready to attend a training session with her dog before patrolling the beach to ensure swimmers can enjoy their time at the sea in safety, in Riva dei Tarquini, near Rome, Italy, August 25, 2020. REUTERS/Guglielmo Mangiapane

An all-female group of canine rescuers from the Italian School of Rescue Dogs (La Scuola Italiana Cani Salvataggio) attend a training session with their dogs before patrolling the beach to ensure swimmers can enjoy their time at the sea in safety, in Riva dei Tarquini, near Rome, Italy, August 25, 2020. REUTERS/Guglielmo Mangiapane

Members of an all-female group of canine rescuers from the Italian School of Rescue Dogs (La Scuola Italiana Cani Salvataggio) attend a briefing before a training session with their dogs and later patrolling the beach to ensure swimmers can enjoy their time at the sea in safety, in Riva dei Tarquini, near Rome, Italy, August 25, 2020. REUTERS/Guglielmo Mangiapane

A member of an all-female group of canine rescuers from the Italian School of Rescue Dogs (La Scuola Italiana Cani Salvataggio) gets ready to attend a training session with her dog before patrolling the beach to ensure swimmers can enjoy their time at the sea in safety, in Riva dei Tarquini, near Rome, Italy, August 25, 2020. REUTERS/Guglielmo Mangiapane

An all-female group of canine rescuers from the Italian School of Rescue Dogs (La Scuola Italiana Cani Salvataggio) attend a training session with their dogs before patrolling the beach to ensure swimmers can enjoy their time at the sea in safety, in Riva dei Tarquini, near Rome, Italy, August 25, 2020. REUTERS/Guglielmo Mangiapane

Members of an all-female group of canine rescuers from the Italian School of Rescue Dogs (La Scuola Italiana Cani Salvataggio) get ready to attend a training session with their dogs before patrolling the beach to ensure swimmers can enjoy their time at the sea in safety, in Riva dei Tarquini, near Rome, Italy, August 25, 2020. REUTERS/Guglielmo Mangiapane

A member of an all-female group of canine rescuers from the Italian School of Rescue Dogs (La Scuola Italiana Cani Salvataggio) attends a training session with her dog before patrolling the beach to ensure swimmers can enjoy their time at the sea in safety, in Riva dei Tarquini, near Rome, Italy, August 25, 2020. REUTERS/Guglielmo Mangiapane

An all-female group of canine rescuers from the Italian School of Rescue Dogs (La Scuola Italiana Cani Salvataggio) attend a training session with their dogs before patrolling the beach to ensure swimmers can enjoy their time at the sea in safety, in Riva dei Tarquini, near Rome, Italy, August 25, 2020. REUTERS/Guglielmo Mangiapane

An all-female group of canine rescuers from the Italian School of Rescue Dogs (La Scuola Italiana Cani Salvataggio) attend a training session with their dogs before patrolling the beach to ensure swimmers can enjoy their time at the sea in safety, in Riva dei Tarquini, near Rome, Italy, August 25, 2020. REUTERS/Guglielmo Mangiapane

An all-female group of canine rescuers from the Italian School of Rescue Dogs (La Scuola Italiana Cani Salvataggio) attend a training session with their dogs before patrolling the beach to ensure swimmers can enjoy their time at the sea in safety, in Riva dei Tarquini, near Rome, Italy, August 25, 2020. REUTERS/Guglielmo Mangiapane

A member of an all-female group of canine rescuers from the Italian School of Rescue Dogs (La Scuola Italiana Cani Salvataggio) kisses her dog after they attended a training session before patrolling the beach to ensure swimmers can enjoy their time at the sea in safety, in Riva dei Tarquini, near Rome, Italy, August 25, 2020. REUTERS/Guglielmo Mangiapane

A member of an all-female group of canine rescuers from the Italian School of Rescue Dogs (La Scuola Italiana Cani Salvataggio) gets ready to attend a training session with her dog before patrolling the beach to ensure swimmers can enjoy their time at the sea in safety, in Riva dei Tarquini, near Rome, Italy, August 25, 2020. REUTERS/Guglielmo Mangiapane

A member of an all-female group of canine rescuers from the Italian School of Rescue Dogs (La Scuola Italiana Cani Salvataggio) washes her dog as she gets ready to attend a training session with her dog before patrolling the beach to ensure swimmers can enjoy their time at the sea in safety, in Riva dei Tarquini, near Rome, Italy, August 25, 2020. REUTERS/Guglielmo Mangiapane

Members of an all-female group of canine rescuers from the Italian School of Rescue Dogs (La Scuola Italiana Cani Salvataggio) patrol the beach with their dogs to ensure swimmers can enjoy their time at the sea in safety, in Riva dei Tarquini, near Rome, Italy, August 25, 2020. REUTERS/Guglielmo Mangiapane

A member of an all-female group of canine rescuers from the Italian School of Rescue Dogs (La Scuola Italiana Cani Salvataggio) attends a training session with her dog before patrolling the beach to ensure swimmers can enjoy their time at the sea in safety, in Riva dei Tarquini, near Rome, Italy, August 25, 2020. REUTERS/Guglielmo Mangiapane

Members of an all-female group of canine rescuers from the Italian School of Rescue Dogs (La Scuola Italiana Cani Salvataggio) patrol the beach with their dogs to ensure swimmers can enjoy their time at the sea in safety, in Riva dei Tarquini, near Rome, Italy, August 25, 2020. REUTERS/Guglielmo Mangiapane

Members of an all-female group of canine rescuers from the Italian School of Rescue Dogs (La Scuola Italiana Cani Salvataggio) patrol the beach with their dogs to ensure swimmers can enjoy their time at the sea in safety, in Riva dei Tarquini, near Rome, Italy, August 25, 2020. REUTERS/Guglielmo Mangiapane

A member of an all-female group of canine rescuers from the Italian School of Rescue Dogs (La Scuola Italiana Cani Salvataggio) attends a training session with her dog before patrolling the beach to ensure swimmers can enjoy their time at the sea in safety, in Riva dei Tarquini, near Rome, Italy, August 25, 2020. REUTERS/Guglielmo Mangiapane

Members of an all female group of canine rescuers from the Italian School of Rescue Dogs (La Scuola Italiana Cani Salvataggio) patrol the beach with their dogs to ensure swimmers can enjoy their time at the sea in safety, in Riva dei Tarquini, near Rome, Italy, August 25, 2020. REUTERS/Guglielmo Mangiapane

A New York City Police Canine Unit (NYPD) looks at downed trees in the aftermath of Tropical Storm Isaias in Astoria Park in Queens, New York, U.S., August 5, 2020. REUTERS/Brendan McDermid

Atria, a canine at the Humane Rescue Alliance animal shelter looks out at staff members, as animal fostering and adoptions increases due to the coronavirus disease (COVID-19), in Northwest Washington, U.S., April 14, 2020. REUTERS/Tom Brenner

A dog is seen as grass grows on Rome's popular Piazza Navona square after a huge drop in the number of visitors due to a strict lockdown trying to stop the spread of coronavirus disease (COVID-19) in Rome, Italy, April 9, 2020. REUTERS/Guglielmo Mangiapane

A dog howls on a balcony as people applaud in support of healthcare workers, amid the coronavirus disease (COVID-19) outbreak, in Ronda, southern Spain, April 8, 2020. REUTERS/Jon Nazca

A coyote stands by the roadside as the spread of coronavirus disease (COVID-19) continues, at Golden Gate Bridge View Vista Point across from San Francisco, California, U.S., April 7, 2020. REUTERS/Shannon Stapleton

A stray dog is fed with kibble donated by animal rights activists, amid the coronavirus disease (COVID-19) outbreak in Bogota, Colombia April 4, 2020. Picture taken April 4, 2020. REUTERS/Luisa Gonzalez

People take dogs for a walk up the mountain amid an outbreak of the coronavirus disease (COVID-19), at the closed Bear Mountain Ski resort in Big Bear Lake, California, U.S., April 5, 2020. REUTERS/Shannon Stapleton

A sign posted on a residential front door displays a message of "Thank you to all frontline workers" as the spread of coronavirus disease (COVID-19) continues, in Dublin, Ireland, April 4, 2020. REUTERS/Clodagh Kilcoyne

A dog walks on an empty street, as Thailand will impose a nationwide night curfew from Friday April 3, to try to curb the spread of the coronavirus disease (COVID-19) outbreak in Bangkok, Thailand, April 2, 2020. REUTERS/Jorge Silva

Two dogs peer through the window during the outbreak of coronavirus disease (COVID-19) in Sopot, Poland April 1, 2020. REUTERS/Radu Sigheti

A man takes a stroll with his dog on Roker Beach, Sunderland, Britain, March 28, 2020. REUTERS/Lee Smith

A man takes a stroll with his dog on Roker Beach, Sunderland, Britain, March 28, 2020. REUTERS/Lee Smith

A dog is pictured at the Basilica of the National Shrine of Our Lady of Aparecida after closing it following a recommendation by the state government, during the coronavirus disease (COVID-19) outbreak, in Aparecida do Norte, Sao Paulo state, Brazil, March 27, 2020. REUTERS/Roosevelt Cassio

General view of a dog infront of the remains of Brighton West Pier during sunset, as the spread of the coronavirus disease (COVID-19) continues, in Brighton, Britain, March 24, 2020. REUTERS/Peter Cziborra TPX IMAGES OF THE DAY

People spend time outside in front of the Reichstag building, the seat of the lower house of parliament Bundestag in Berlin, Germany, March 22, 2020, as the spread of the coronavirus disease (COVID-19) continues. REUTERS/Michele Tantussi

General view of a man and a woman walking a dog in Hertford as the spread of the coronavirus disease (COVID-19) continues. Hertford, Britain March 21, 2020 REUTERS/Andrew Couldridge