A member of the NGO Arcturos' holds the paw of a sedated brown bear cub at a bear sanctuary in the village of Nymfaio, near Florina, Greece May 2, 2020. Picture taken May 2, 2020. REUTERS/Giorgos Moutafis

A member of the NGO Arcturos' measures the paw of a sedated brown bear cub at a bear sanctuary in the village of Nymfaio, near Florina, Greece May 2, 2020. Picture taken May 2, 2020. REUTERS/Giorgos Moutafis

Wildlife veterinarians from Four Paws International and other volunteers undertake a medical examination on a malnourished lion inside its cage at the Al-Qureshi park in Khartoum, Sudan February 21, 2020. REUTERS/Mohamed Nureldin Abdallah

Wildlife veterinarians from Four Paws International and other volunteers undertake a medical examination on a malnourished lion inside its cage at the Al-Qureshi park in Khartoum, Sudan February 21, 2020. REUTERS/Mohamed Nureldin Abdallah

Wildlife veterinarians from Four Paws International and other volunteers undertake a medical examination on a malnourished lion inside its cage at the Al-Qureshi park in Khartoum, Sudan February 21, 2020. REUTERS/Mohamed Nureldin Abdallah TPX IMAGES OF THE DAY

Wildlife veterinarians from Four Paws International and other volunteers undertake a medical examination on a malnourished lion inside its cage at the Al-Qureshi park in Khartoum, Sudan February 21, 2020. REUTERS/Mohamed Nureldin Abdallah

Wildlife veterinarians from Four Paws International and other volunteers undertake a medical examination on a malnourished lion inside its cage at the Al-Qureshi park in Khartoum, Sudan February 21, 2020. REUTERS/Mohamed Nureldin Abdallah

Wildlife veterinarians from Four Paws International and other volunteers undertake a medical examination on a malnourished lion inside its cage at the Al-Qureshi park in Khartoum, Sudan February 21, 2020. REUTERS/Mohamed Nureldin Abdallah

Wildlife veterinarians from Four Paws International and other volunteers undertake a medical examination on a malnourished lion inside its cage at the Al-Qureshi park in Khartoum, Sudan February 21, 2020. REUTERS/Mohamed Nureldin Abdallah

A recovering malnourished lioness stands inside its cage after a medical examination by wildlife veterinarians from Four Paws International at the Al-Qureshi park in Khartoum, Sudan February 21, 2020. REUTERS/Mohamed Nureldin Abdallah

A recovering malnourished lioness is seen inside its cage after a medical examination by wildlife veterinarians from Four Paws International at the Al-Qureshi park in Khartoum, Sudan February 21, 2020. REUTERS/Mohamed Nureldin Abdallah

Wildlife veterinarians from Four Paws International and other volunteers treat a malnourished lion inside its cage at the Al-Qureshi park in Khartoum, Sudan January 28, 2020. REUTERS/Mohamed Nureldin Abdallah

Wildlife veterinarians from Four Paws International and other volunteers treat a malnourished lion inside its cage at the Al-Qureshi park in Khartoum, Sudan January 28, 2020. REUTERS/Mohamed Nureldin Abdallah

Wildlife veterinarians from Four Paws International and other volunteers treat a malnourished lion inside its cage at the Al-Qureshi park in Khartoum, Sudan January 28, 2020. REUTERS/Mohamed Nureldin Abdallah

Wildlife veterinarians from Four Paws International and other volunteers treat a malnourished lion inside its cage at the Al-Qureshi park in Khartoum, Sudan January 28, 2020. REUTERS/Mohamed Nureldin Abdallah

Veterinarians bandage the injured paws of a koala at the Kangaroo Island Wildlife Park, at the Wildlife Emergency Response Centre in Parndana, Kangaroo Island, Australia January 19, 2020. REUTERS/Tracey Nearmy

An injured koala with a bandaged paw is seen at the emergency response wildlife shelter in Mallacoota, Victoria, Australia January 10, 2020. Picture taken January 10, 2020. REUTERS/Tracey Nearmy

A burnt paw of a brushtail possum is pictured as it is nursed by WIRES volunteers in Merimbula, Australia January 9, 2020. REUTERS/Tracey Nearmy TPX IMAGES OF THE DAY

A burnt paw of a brushtail possum is pictured as it is nursed by WIRES volunteers in Merimbula, Australia January 9, 2020. REUTERS/Tracey Nearmy

Burnt paws of a brushtail possum are pictured as it is nursed by WIRES volunteers in Merimbula, Australia January 9, 2020. REUTERS/Tracey Nearmy

A brushtail possum with burnt paws is nursed by WIRES volunteer Baron Green in Merimbula, Australia January 9, 2020. REUTERS/Tracey Nearmy

The Chase from Paw Patrol balloon hovers above the crowd during the 93rd Macy's Thanksgiving Day Parade in New York, U.S., November 28, 2019. REUTERS/Brendan Mcdermid

The Chase from Paw Patrol balloon hovers above the crowd during the 93rd Macy's Thanksgiving Day Parade in New York, U.S., November 28, 2019. REUTERS/Brendan Mcdermid

A dog's paws are seen under a costume of Big Bird from Sesame Street at the Tompkins Square Halloween Dog Parade in Manhattan, New York City, U.S., October 20, 2019. REUTERS/Andrew Kelly

A fossa rests near a cabin in the Kirindy forest reserve near the city of Morondava, Madagascar, September 1, 2019. Picture taken September 1, 2019. REUTERS/Baz Ratner

Welfare activists check a lion's paw at Tirana Zoo, Albania November 7, 2018. Picture taken November 7, 2018. REUTERS/Florion Goga

The paws of a brown bear cub are pictured at the NGO Arcturos' bear sanctuary, in the village of Nymfaio, near Florina, Greece May 5, 2019. Picture taken May 5 2019. REUTERS/Giorgos Moutafis

A man measures the paw of a brown bear cub at NGO Arcturos' bear sanctuary, in the village of Nymfaio, near Florina, Greece May 5, 2019. Picture taken May 5 2019. REUTERS/Giorgos Moutafis

A truck carrying crates containing animals leaves Gaza after the animals were taken out of a Gaza zoo by FOUR PAWS organization, at Erez crossing in the northern Gaza Strip April 7, 2019. REUTERS/Mohammed Salem

A truck carrying crates containing animals leaves Gaza after the animals were taken out of a Gaza zoo by FOUR PAWS organization, at Israeli Erez crossing in the northern Gaza Strip April 7, 2019. REUTERS/Mohammed Salem

A truck carrying crates containing animals leaves Gaza after the animals were taken out of a Gaza zoo by FOUR PAWS organization, at Israeli Erez crossing in the northern Gaza Strip April 7, 2019. REUTERS/Mohammed Salem

First lady Melania Trump applauds Naw K’nyaw Paw, a peace activist and General Secretary of the Karen Women’s Organization (KWO), after she spoke during the International Women of Courage (IWOC) celebration at the State Department in Washington, U.S., March 7, 2019. REUTERS/Kevin Lamarque

A woman compares her hand to the paws of Kallen, a Great Dane, during the Meet the Breeds event ahead of the 143rd Westminster Kennel Club Dog Show in New York, U.S., February 9, 2019. REUTERS/Andrew Kelly

Polar bear "Jing Jing" puts its front paws together at its enclosure at the Wuhan Haichang Polar Ocean World by Haichang Ocean Park, in Wuhan, Hubei province, China January 31, 2019. Picture taken January 31, 2019. REUTERS/Darley Shen TPX IMAGES OF THE DAY

Polar bear "Jing Jing" puts its front paws together at its enclosure at the Wuhan Haichang Polar Ocean World by Haichang Ocean Park, in Wuhan, Hubei province, China January 31, 2019. Picture taken January 31, 2019. REUTERS/Darley Shen

Paw Patrol toys are seen inside the new flagship FAO Schwarz store in Rockefeller Plaza in New York, U.S., November 16, 2018. REUTERS/Shannon Stapleton

Mikhail Mos, head a of a custom's canine department, holds a bear paw confiscated from smugglers and currently used for training sniffer dogs, in front of custom officers from China during a workshop in the far eastern city of Vladivostok, Russia November 13, 2018. REUTERS/Yuri Maltsev

Nine year-old pit bull Tone, which suffers from burns on its paws during the Camp Fire, rests in the parking lot of Neighbourhood Church of Chico, in Chico, California, U.S. November 11, 2018. REUTERS/Stephen Lam

A dog called Biggy Paws at the 28th Annual Tompkins Square Halloween Dog Parade in New York, U.S. October 28, 2018. REUTERS/Kevin Coombs

Veterinarians from Four Paws International Animal Charity examine a rescued bear which was held in captivity at a bear bile farm in Thai Nguyen province in Vietnam, August 14, 2018. REUTERS/Kham

A paw is seen while veterinarians examine a bear which was held in captivity at a bear bile farm in Thai Nguyen province in Vietnam, August 14, 2018. REUTERS/Kham

Veterinarians from Four Paws International Animal Charity carry a rescued bear which was held in captivity at a bear bile farm in Thai Nguyen province in Vietnam, August 14, 2018. REUTERS/Kham

Veterinarians from Four Paws International Animal Charity examine a rescued bear which was held in captivity at a bear bile farm in Thai Nguyen province in Vietnam, August 14, 2018. REUTERS/Kham

Veterinarians from Four Paws International Animal Charity examine a rescued bear which was held in captivity at a bear bile farm in Thai Nguyen province in Vietnam, August 14, 2018. REUTERS/Kham

National Forest and Wildlife Service (SERFOR) and Peruvian police show confiscated wild fox paws used by shamans in Lima, Peru July 19, 2018. REUTERS/Guadalupe Pardo

A two week old wild rabbit cleans its paws on the island of Skomer, Pembrokeshire, Wales, Britain June 9, 2018. Picture taken June 9, 2018. REUTERS/Rebecca Naden

Veterinarians of Four Paws animals welfare charity, check May, a female moon bear, during her rescue from a bear farm for bile trading to a bear sanctuary, an animal welfare project by Four Paws in Ninh Binh province, Vietnam April 26, 2018. REUTERS/Kham TPX IMAGES OF THE DAY

Veterinarians of Four Paws animals welfare charity, check May, a female moon bear, during her rescue from a bear farm for bile trading to a bear sanctuary, an animal welfare project by Four Paws in Ninh Binh province, Vietnam April 26, 2018. REUTERS/Kham

Employees carry Binh Yen, a female moon bear, during her rescue from a bear farm for bile trading to a bear sanctuary, an animal welfare project by Four Paws in Ninh Binh province, Vietnam April 26, 2018. REUTERS/Kham

Employees prepare to check Binh Yen a female moon bear, during her rescue from a bear farm for bile trading to a bear sanctuary, an animal welfare project by Four Paws in Ninh Binh province, Vietnam April 26, 2018. REUTERS/Kham

Misa, a female moon bear, eats at a bear sanctuary, an animal welfare project by Four Paws after being rescued in Ninh Binh province, Vietnam April 26, 2018. REUTERS/Kham

Veterinarians of Four Paws animals welfare charity, check Binh Yen, a female moon bear, during her rescue from a bear farm for bile trading to a bear sanctuary, an animal welfare project by Four Paws in Ninh Binh province, Vietnam April 26, 2018. REUTERS/Kham

Hai Chan, a female moon bear, eats at a bear sanctuary, an animal welfare project by Four Paws after being rescued from a bear farm for bile trading in Ninh Binh province, Vietnam April 26, 2018. REUTERS/Kham

A paw of May, a female moon bear, is seen during her rescue from a bear farm for bile trading to a bear sanctuary, an animal welfare project by Four Paws in Ninh Binh province, Vietnam April 26, 2018. REUTERS/Kham

Veterinarian of Four Paws animals welfare charity Johanna Painer blows anaesthetics to May, a female moon bear, during her rescue from a bear farm for bile trading to a bear sanctuary, an animal welfare project by Four Paws in Ninh Binh province, Vietnam April 26, 2018. REUTERS/Kham

Veterinarians of Four Paws animals welfare charity Johanna Painer (R) and Emily Lloyd inject medicine to May, a female moon bear, during her rescue from a bear farm for bile trading to a bear sanctuary, an animal welfare project by Four Paws in Ninh Binh province, Vietnam April 26, 2018. REUTERS/Kham

May, a female moon bear, reacts inside a cage before getting rescued from a bear farm for bile trading to a bear sanctuary, an animal welfare project by Four Paws in Ninh Binh province, Vietnam April 26, 2018. REUTERS/Kham