Meet Yuji, the Mexican baby monkey finding comfort in a plush companion

GUADALAJARA, Mexico (AP) — Yuji, a 6-week-old patas monkey in Mexico, wakes up every day clinging to a stuffed dog. More than a toy, this plush companion acts as a surrogate mom after the tiny primate was rejected by his own mother, Kamaria, a first-time parent unable to form a maternal bond.

Weighing a mere 673 grams (1.4 pounds), Yuji represents the most recent case of assisted rearing at the Guadalajara Zoo in western Mexico.

The story of Yuji has captured the attention of the Mexican public, drawing parallels to Punch, the Japanese macaque that went viral on social media after growing up clinging to a stuffed orangutan following his mother’s rejection.

Unlike Punch, Yuji has not yet had physical contact with other members of his species; he spends most of his time inside a monkey crate at the Guadalajara Zoo’s Comprehensive Center for Animal Medicine and Welfare, CIMBA, where he is under the care of 12 veterinarians and biologists.

No date has been set for Yuji’s transfer to a habitat shared by 12 other adult patas monkeys and three other infants. That will depend on when he is weaned from a milk-only diet and starts an adult diet complete with fruits and vegetables, said veterinarian Iván Reynoso Ruiz, head of the primate section at the Guadalajara Zoo. That could happen when Yuji is around 6 months old, he said.

Just hours after giving birth on March 3, Kamaria began exhibiting irregular behavior. She struggled to hold her firstborn correctly, leaving the infant unable to secure a grip on its mother.

After noticing a problem, keepers separated the mother from her newborn, who weighed just 443 grams (less than a pound) and required immediate placement in an incubator at CIMBA to stabilize his temperature and safeguard his health, Reynoso Ruiz said.

This was the start of the infant’s assisted rearing, a process often used by zoos to protect the health and development of at-risk offspring. A caregiver named him Yuji after a popular Japanese manga character.

During his first few weeks, Yuji was under round-the-clock supervision and was bottle-fed fortified milk.

From the start, Yuji was given a stuffed animal for comfort. Reynoso Ruiz explained that the toy fulfills the role of a mother by serving as his primary source of security. To maintain hygiene, staff rotate the original stuffed dog with two other toys — a bear and a monkey — to ensure he always has a clean companion.

To stimulate his development, caregivers outfitted Yuji’s crate with a small hammock and ropes. As he began gaining weight and sleeping for longer intervals, his team adjusted his feeding schedule. Yuji now receives the first of his four daily bottles at 7:00 a.m.

While the stories of Punch and Yuji have been popular on social media, some animal rights advocates oppose the practice of assisted rearing.

Diana Valencia, an animal rights activist, argues that there is no substitute for a natural habitat, and that animals “have the right to be born, grow, develop, and die where they belong.”

Responding to these criticisms, the Guadalajara Zoo’s primate expert emphasized that modern zoos provide a unique opportunity to protect species from global threats. He said the intervention was a matter of life or death, and that Yuji likely would have perished in the wild without a “second chance” at survival.
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