Two red panda cubs born at the Santa Barbara Zoo in California have died, bringing sadness to the zoo team and visitors who followed their early journey.
The zoo confirmed on Monday that the second cub passed away over the weekend after receiving continuous care from veterinary and animal care staff. The first cub had died earlier in July after being found unresponsive on July 21.
The two cubs were born on July 2 to red panda parents Ruby and Raj. The birth marked the first time Ruby had given birth. Zoo officials said the loss was especially difficult because the team had worked closely to support the young animals from their first days of life.
Red panda cubs face many challenges during early development. According to the Santa Barbara Zoo, around 40% of red panda cubs do not survive. The zoo said the recent loss is a reminder of the difficulties involved in caring for endangered species.
The second cub required special medical attention after staff noticed that it was not nursing properly. Zoo workers removed the cub from Ruby’s care on July 19 and began providing intensive support.
The young red panda was placed in a temperature-controlled incubator and received regular feedings through medical support. The cub was also given antibiotics and monitored closely by veterinary experts around the clock.
Despite the team’s efforts, the cub’s condition remained serious. The zoo said the exact cause of death is still being investigated.
“While the cause of death remains under investigation, this loss is heartbreaking for everyone who cared for these cubs,” the zoo said in a statement.
Zoo officials thanked the community members who followed the cubs’ progress and showed support during their short lives. Many visitors had followed updates about the newborn red pandas through the zoo’s public channels.
The birth of the cubs had been an important event for the zoo’s red panda conservation efforts. Red pandas are considered endangered, and successful breeding programs help support efforts to protect the species.
The next breeding opportunity for Ruby and Raj will not happen until the following year because red pandas have a seasonal breeding cycle. Zoo staff will continue caring for the adult pandas while reviewing the recent events.
Red pandas are small mammals native to the eastern Himalayas and parts of southwestern China. They are slightly larger than a house cat and are known for their reddish fur, long tails, and tree-dwelling lifestyle.
The World Wildlife Fund lists red pandas as an endangered species. One of the biggest threats they face is habitat loss caused by forest destruction and human activity.
More than half of the red panda’s natural habitat in the eastern Himalayas is considered threatened. The animals are also at risk from traps set for other wildlife.
The Santa Barbara Zoo estimates that fewer than 10,000 mature red pandas remain in the wild. Conservation groups and wildlife centers around the world continue working to protect their habitats and support breeding programs.
Although the loss of the two cubs is a setback, zoo officials say the care provided to the animals reflects the importance of conservation work. Every birth provides valuable knowledge that can help improve future efforts to protect endangered species.
The Santa Barbara Zoo will continue monitoring Ruby and Raj as part of its ongoing red panda care program. The team hopes future breeding efforts will contribute to the survival of this threatened species.

