In 2021, 101 Asiatic black bears—commonly called moon bears—were moved more than 1,200 kilometers from a former bile farm in Nanning, China, to Animals Asia’s sanctuary in Chengdu. The journey was the final stage of an eight-year rescue effort. It involved years of legal negotiations, three carefully managed transport phases, veterinary teams, individual care plans, and a month of quarantine after arrival.
The bears were not released into the wild. After years of confinement and the effects of bile extraction, they needed permanent sanctuary care, medical treatment, enrichment, and gradual rehabilitation.
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The final convoy ended an eight-year rescue
On May 27, 2021, the gates of the Nanning bear-bile farm closed permanently. By then, all 101 bears had arrived at Animals Asia’s sanctuary in Chengdu, in Sichuan Province.
That final arrival represented much more than a long-distance animal transport. The rescue had begun eight years earlier, in 2013, when the owner of the Nanning facility contacted Animals Asia. He had decided he no longer wanted to profit from the bear-bile industry and asked the organization for help.
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Animals Asia initially hoped to convert the existing property into a second sanctuary and care for the bears where they were. That plan changed when the property was sold to developers roughly 18 months later. The bears would have to be moved instead—approximately 1,200 kilometers to the organization’s established Chengdu sanctuary.
Animals Asia described the operation as the biggest bear rescue in history, or the largest operation of its kind. That wording should be understood in the context of bear rescues rather than every animal rescue category.
What is a moon bear?
“Moon bear” is a common name for the Asiatic black bear, Ursus thibetanus. Many individuals have a pale crescent- or V-shaped marking on the chest, which gives the species its familiar name.
The species is classified as Vulnerable on the IUCN Red List and is listed in Appendix I of CITES, the international agreement controlling trade in endangered species. Those classifications describe the status and trade protections of the species as a whole. They do not mean that every one of the 101 rescued bears was a wild, releasable animal—or that all 101 were individually classified as “endangered.”
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Why were the bears kept in a sanctuary?
The bears had spent years in captivity at a bile farm, where bile was extracted for use in traditional medicine products. Animals Asia reports that rescued bile-farm bears can arrive with serious and permanent health problems, including damaged teeth, diseased organs, blindness, tumors, missing limbs, chronic pain, muscle weakness, and osteoarthritis.
These conditions made immediate release into the wild unrealistic and potentially dangerous. A bear that has lived for years in a cage may have limited strength, impaired teeth or limbs, chronic disease, and little experience finding food or avoiding threats. Sanctuary care provides treatment and protection while allowing carers to rebuild mobility, confidence, natural behaviors, and—in suitable cases—social relationships.
“Saved” therefore did not mean that the bears instantly became healthy or independent. It meant they were moved from an exploitative facility into an environment designed for long-term veterinary and behavioral care. Animals Asia has also reported that some of the rescued bears later died, but they spent their final period receiving sanctuary care rather than remaining at the bile farm.
Years of waiting at the Nanning farm
The relocation could not begin as soon as the original agreement was reached. Ownership questions, legislative issues, and the permits required to move more than 100 wild animals between provinces delayed the operation for years.
Animals Asia staff continued caring for the bears at Nanning throughout that period. Their work involved more than feeding the animals. Staff monitored individual health, learned each bear’s temperament, tracked medical needs, and observed how the bears responded to people, food, objects, and other bears.
That long period also allowed the team to begin carefully introducing companionship. Bears that had previously lived alone in individual cages were gradually paired with one or two compatible bears where appropriate. The process had to account for personality and tolerance, because a social arrangement that helped one bear could create stress or conflict for another.
The COVID-19 pandemic added another major barrier. During lockdown restrictions, the movement of wild animals between Chinese provinces was halted or delayed, preventing the final transfer even after much of the preparation had been completed.
Permission finally came in April 2021
On April 9, 2021, the final permit was signed with assistance from authorities in Guangxi and Sichuan. Animals Asia could finally put the transport plan into action.
The bears were moved in three phases between April 19 and May 27. Each phase used nine trucks. The wider phases lasted approximately three days, while Animals Asia’s account describes the convoys as spending about two days on the road. Put together, those accounts indicate roughly two days of driving within approximately three-day transport phases, allowing time for preparation, stops, arrival procedures, and veterinary checks.
| Detail | What happened |
|---|---|
| Animals moved | 101 moon bears, or Asiatic black bears |
| Starting point | Nanning, Guangxi Province |
| Destination | Animals Asia’s sanctuary in Chengdu, Sichuan Province |
| Approximate route | More than 1,200 kilometers, according to the contemporaneous rescue accounts |
| Transport schedule | Three phases from April 19 to May 27, 2021 |
| Vehicles | Nine trucks per phase |
| Travel time | Roughly two days on the road within approximately three-day phases |
| Final arrival | May 27, 2021 |
A later Animals Asia sanctuary page gives a different rounded distance. The approximately 1,200-kilometer figure is preferable here because it appears in the contemporaneous rescue reporting about this specific operation.
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Every bear had an individual transport plan
The team did not treat the move as a standard livestock shipment. Each bear had a plan based on its personality, temperament, medical requirements, preferred enrichment, and favorite foods.
Every bear traveled in an individual transport cage. Individual housing reduced the risk of conflict during a stressful journey and allowed carers to manage food, water, medication, and observation separately. Where possible, staff encouraged bears to enter their transport cages voluntarily rather than forcing them inside.
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- Food selected for each bear’s needs and preferences
- Fresh water and hydration monitoring
- Prescribed medication
- Continuous observation of health and behavior
- Reassurance and familiar care from the staff who knew the bears
Some of the most vulnerable bears were monitored with CCTV cameras installed in the trucks. This gave the team another way to check on them during the journey without unnecessarily disturbing them.
The result was a veterinary relocation operation: a planned movement of medically vulnerable animals with staff, supplies, monitoring, and contingency care traveling alongside them.
Arrival did not mean immediate freedom
Once the bears reached Chengdu, they did not go straight into the main outdoor enclosures. Each bear began with approximately 30 days of quarantine, as described by the Global Federation of Animal Sanctuaries’ account of the transfer.
Quarantine serves several purposes. It gives veterinarians time to assess new arrivals, address urgent problems, and establish a baseline for future care. It also protects bears already living at the sanctuary by reducing the risk of introducing infectious disease. Meanwhile, carers can observe how each new bear responds to food, noise, people, enrichment, and the unfamiliar surroundings.
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After quarantine, the bears were introduced gradually to outdoor areas and, when suitable, to other bears. Staff monitored both physical and mental well-being before progressing from one stage to the next. There was no single “release” moment; rehabilitation was a sequence of small, carefully evaluated changes.
What life at the Chengdu sanctuary offers
Animals Asia’s Chengdu sanctuary is built to provide more than shelter. Its semi-natural enclosures include grass, bamboo, trees, pools, climbing structures, logs, hanging feeders, hammocks, and other forms of enrichment.
These features give the bears opportunities to perform behaviors that are difficult or impossible in a cage:
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- Climbing: using platforms, trees, and structures to build strength and confidence
- Swimming: cooling off and exploring pools
- Scent-marking: investigating and communicating through smells
- Exploring: choosing where to move and what to investigate
- Socializing: living with compatible bears when their behavior shows that companionship is appropriate
Adult moon bears are generally solitary in the wild. In sanctuary conditions, however, Animals Asia reports that some can adapt to group living when food is plentiful and competition is reduced. Social introductions are therefore based on individual compatibility rather than an assumption that every bear should live in a group.
Ongoing care can include regular health checks, individualized veterinary treatment, pain management, mobility adaptations, behavioral observation, nutritious food, and daily enrichment. The goal is not to make the bears perform for visitors or to reproduce a particular “wild” experience. It is to give each animal the safest and most stimulating life its condition allows.
Independent reader supportYour contribution helps us test, update, and keep practical guides available for everyone.The rescue changed the meaning of “home”
For the Nanning bears, home could not be the wild. Years of captivity and medical trauma had changed what they needed from the people responsible for them. Chengdu became a place where they could receive treatment, recover strength, make choices, and experience grass, trees, pools, climbing structures, food puzzles, and compatible companionship.
The rescue also illustrates why large animal relocations often take years. The visible part of the story—the trucks leaving the farm—was only possible because of long-term care at Nanning, individual assessments, negotiations over ownership and permits, pandemic-related delays, transport planning, veterinary preparation, and post-arrival quarantine.
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On May 27, 2021, the Nanning facility closed for good. The achievement was not a return to the wild, but a permanent transition from bile-farm exploitation to sanctuary care tailored to 101 individual bears.
Sources and viewing note
The rescue timeline and transport details come primarily from Animals Asia’s official account of the 101 bears and its dedicated rescue timeline. The Global Federation of Animal Sanctuaries provides independent sanctuary-sector corroboration for the transfer, dates, logistics, and quarantine. Animals Asia’s broader sanctuary-care materials support the description of veterinary care, enrichment, and rehabilitation.
Animals Asia also hosts an approximately 15-minute film, Moon Bear Homecoming, narrated by James Cromwell. Publication, embedding, or reuse of photographs and video should be cleared with the rights holder before use.
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Were the 101 moon bears released into the wild?
No. The bears were moved to Animals Asia’s Chengdu sanctuary for lifetime care. Their years of captivity and the medical effects of bile extraction meant that sanctuary care, rather than release, was the appropriate outcome.
How long did it take to rescue the bears?
The process took about eight years, from the Nanning farm owner’s first contact with Animals Asia in 2013 to the completion of the move on May 27, 2021.
How were the bears transported?
The bears traveled in three phases between April 19 and May 27, 2021. Each phase used nine trucks, with every bear in an individual transport cage. Veterinarians and bear carers accompanied the convoys, providing food, water, medication, reassurance, and monitoring.
Why did the bears need quarantine after arriving in Chengdu?
Approximately 30 days of quarantine allowed veterinarians to assess and treat the new arrivals, establish health baselines, observe their behavior, and protect the sanctuary’s resident bears from potential infectious disease before gradual introductions.
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What is another name for a moon bear?
Moon bear is the common name for the Asiatic black bear, Ursus thibetanus. The name refers to the pale crescent- or V-shaped marking found on many individuals’ chests.
The Bottom Line
The 101 moon bears were saved through an eight-year process, not a single dramatic journey. After years at a Nanning bile farm, they were moved in carefully planned convoys to Chengdu, quarantined, medically assessed, and gradually introduced to sanctuary life. Their new freedom meant safety, choice, enrichment, and lifelong care—not release into a wild environment they were no longer prepared to survive in.
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