A foal named Sham al-Agha, which lost its limb in regime shelling on the western country side of Syria's Aleppo province a few months ago, tries out its prosthetic leg in the rebel-held region near the border with Turkey on August 7, 2019. Ibrahim Youssouf/AFP/Getty Images

A prosthetic technician tests wheels on a squirrel after its limb amputation surgery at Aydin University in Istanbul Turkey, April 3, 2018. Osman Orsal/Reuters

Paraplegic dogs run with the help of wheelchairs on Agua Dulce Beach in Lima, Peru, June 20, 2017. The dogs are cared for by local resident Sara Moran. In winter, when most Peruvians avoid the beach, she takes the dogs on frequent runs across the beach's hard, black sand. Martin Mejia/AP

Angel Marie, a three-legged mini horse who wears a prosthetic leg made by Derrick Campana of Animal Ortho Care, looks up from her feeding bowl during a visit with Campana in Sterling, Va., March 27, 2017. Kevin Lamarque/Reuters

The white stork Emma stands on her prosthetic leg in her cage at the stork sanctuary in Loburg, Germany, March 20, 2017. Klaus-Dietmar Gabbert/ZB/dpa Photo via Newscom

Agnes is a dog rescued from the Ukraine war zone who is being taken care of by the Ember Foundation in Wroclaw, Poland, Jan. 12, 2017. Agnes was brought to be fitted with an assistance trolley invented by scientists of the Department of Biomedical Engineering, Technical University of Silesia in Zabrze, Poland. Andrzej Grygiel/EPA

Five-month-old elephant Fah Jam swims during a hydrotherapy treatment as part of a long process to heal her injured front left foot at a rehabilitation center in Pattaya, Thailand, Jan. 5, 2017. The baby elephant was injured at 3 months old when she got stuck in a snare put up by villagers to prevent elephant intrusions. Athit Perawongmetha/Reuters

Fee the stork stands on her new prosthesis, Nov. 2, 2016, in Ruedershausen, Germany. Fee ("fairy" in German) lost her leg in an accident and got an individual prosthesis made by Otto Bock. Swen Pfoertner/AFP/Getty Images

A dog that had his legs cut off as a punishment is able to walk again, thanks to prosthetic limbs, after being rescued by John and Gill Dalley, who moved to Phuket, Thailand, from Leeds, England, to set up the Soi Dog Foundation, Aug. 1, 2016. Caters News Agency

An adorable one-eyed cat, Blacky, loves to wear hats and zoom around his garden with his wheels, July 5, 2016, in New Zealand. Caters News Agency

A 4-month-old goat named Subat (February), after it was nursed back to health in Ankara, Turkey, June 30, 2016. Binnur Ege Gurun/Anadolu Agency/Getty Images

The Sacramento Zoo has outfitted Goody the giraffe with a new shoe to help relieve her arthritis symptoms. KXTV

Motola, an elephant injured by a land mine, wears her prosthetic leg at the Friends of the Asian Elephant Foundation in Lampang, Thailand, June 29, 2016. Athit Perawongmetha/Reuters

Krum the dachshund uses his wheels for mobility at the Queensland Storybook Farm Animal Refuge in Canungra, Australia, June 23, 2016. Krum was one of the first dogs at Storybook Farm, a home for disabled animals. Glenn Hampson/Newspix/REX/Shutterstock

Freddy, a tortoise that was found in 2015 with a shell that had been badly burned in a fire, got a second chance when a Brazilian group called the Animal Avengers made her a custom 3-D-printed shell. Courtesy Animal Avengers

Chris P. Bacon at Eastside Veterinary Hospital in Clermont, Florida, Feb. 12, 2013. He was born without the use of his hind legs. His owner turned him over to a Clermont vet, Dr. Len Lucero, who took the piglet home and made a wheelchair for him using toy parts. Tom Benitez/Orlando Sentinel/MCT via Getty Images

A dog injured in the Sichuan earthquake, at the Home of Love Little Animal Protection Center, May 5, 2009, in Chengdu, China. China Photos/Getty Images

Arava, a 10-year-old African spurred tortoise, at Jerusalem's Biblical Zoo, Aug. 19, 2008. Her hind legs are paralyzed, but a makeshift wheelchair has helped her get around and find a mate, her keepers said. Ahmad Gharabli/AFP/Getty Images

Buster the sheep whizzes around on his new wheels. HotSpot/Landov

A worker assembles a wheelchair for a disabled dog at an animal rescue center in Chengdu, China, July 12, 2008. China Photos/Getty Images

A dog outfitted with a wheelchair runs at an animal rescue center, July 12, 2008, in Chengdu, China. China Photos/Getty Images

Wheely Willy, a paraplegic Chihuahua from Long Beach, California, strolls in a bookshop on July 4, 2004, in Tokyo. Koichi Kamoshida/Getty Images

Oreo, a farm cat paralyzed by an injury, shown Jan. 16, 2003, is up and running again with help from a specially designed wheelchair for small animals. Jennifer Swanson/The Oskaloosa Herald/AP Photo