April 19, 2022 5 min read 2 Comments
By Eston Ellis*
When guests see a red panda at the San Diego Zoo, their first reaction is often “what’s that?” What they see is a fiery red-orange and reddish-brown mammal about the size of a large house cat, with a round face, keen eyes, distinctive white and brown markings, a long, fluffy tail, and a fondness for climbing trees. But it’s not a cat. It’s not a fox or a raccoon. And it’s not a bear.
Despite the name, red pandas are only distantly related to giant pandas. In fact, the western red panda Ailurus fulgens fulgens was first described by French zoologist Frédéric Cuvier in 1825, 48 years before the giant panda became known to Western science. “Red pandas are the original panda,” said Nicki Boyd, associate curator of behavioral husbandry at the San Diego Zoo, and the Zoo’s red panda Institutional Representative. The western red panda’s taxon name comes from the Greek words for cat, ailouros, and fire-colored, fulgens. A second red panda subspecies—the slightly larger and more brightly colored Styan’s red panda A. f. refulgens (styani)—was discovered in 1897. The word “panda” is believed to have been derived from a Nepalese phrase, nigalya ponya, said to mean “bamboo eater” or “bamboo footed.”
Both red pandas and giant pandas can be found in China—although red pandas are also found in mountain forests of Nepal, India, Bhutan, and Myanmar. Both spend most of each day eating bamboo, although giant pandas eat the stalk or culm along with the leaves, and red pandas only eat the leaves. Like the giant panda, red pandas have a wrist bone called a “false thumb” that allows them to grasp a stalk of bamboo with their paw. But the similarities mostly end there.
Red pandas are members of their own unique family: Ailuridae. They are considered crepuscular (active at dawn and dusk) or nocturnal, but they often forage or bask in filtered sun on tree limbs during the day. Sometimes called a “vegetarian carnivore,” a red panda may occasionally eat eggs or small animals like birds, but they prefer eating bamboo, which makes up more than 80 percent of their diet. Some red pandas also eat fruit, mushrooms, and bark, and red pandas at the Zoo eat leaf-eater biscuits in addition to fresh bamboo leaves.
Red pandas are mostly solitary animals, except during mating season or when mothers are raising cubs. During mating season, red pandas communicate through a unique series of vocalizations, including bleats, squeals, snorts, and sighs; along with scent marking and head bobbing. At other times, red pandas may make a “huff” sound that means “don’t get too close,” or a snort that means “I just want you to know I’m right here,” said Karen Scott, red panda wildlife care specialist.
They have claws designed for climbing trees and self defense—and they are excellent climbers, as well as being adept swimmers. While they spend much of their time up in trees, they also spend a lot of time on the ground, eating bamboo. When they climb down from a tree, they go down the trunk headfirst—an unusual skill for a mammal.
Like raccoons, red pandas are known for washing their faces with their paws, and dipping their paws into water to drink. At the Zoo, our red pandas enjoy drinking out of misters, too. While red pandas are not cats, you might think they were when they’re sleeping. “They curl up just like a cat, and use their fluffy tail as a blanket,” Karen said.
Red pandas live in high elevations in the Himalayas, in cool, dense forests with abundant bamboo. They are categorized as Endangered on the International Union for Conservation of Nature (IUCN) Red List of Threatened Species.
No one knows exactly how many red pandas are left in their native habitats. In 1999, it was estimated that fewer than 2,500 still existed; however, most current estimates put their numbers closer to 10,000. They face many threats as people encroach on their home forests: poaching for their fur or for the illegal pet trade; predation by feral dogs; destruction of their habitat by free-roaming cattle; and deforestation caused by forest fires, agriculture, and harvesting of wood for building, cooking, and heating.
San Diego Zoo Wildlife Alliance supports the nonprofit Red Panda Network in its conservation efforts. Nicki has worked with Red Panda Network since its founding in 2006, and she currently serves as a board member. “The conservation work is focused mostly in Nepal—and this is boots-on-the-ground conservation,” she explained. “We have a group of people there who do community-based conservation, and we’re working hand-in-hand with local communities to save a precious resource.”
These efforts include helping to establish protected forests and wildlife corridors, and to conserve existing populations of red pandas in the Himalayas. In areas where the use of wood for heating and cooking has become a major threat to the forests, Red Panda Network is working with community members to replace wood-burning stoves with new, more efficient stoves that burn renewable bio briquettes—and they are training locals to produce their own bio briquettes. “This is a high-altitude area that is very cold, and before bio briquettes, people would spend hours going out and collecting wood,” Nicki explained. “Now they have more time, and they can use it to make crafts to sell, creating a sustainable livelihood.”
Ecotourism and home stays, in which visiting hikers can stay in the homes of local families, is providing additional income for communities. “We’ve started to build a community conservation center, which will allow researchers, tourists, local communities, and school groups to be educated about red pandas as they hike into the Himalayas,” Nicki said.
Red Panda Network trains community members to become “forest guardians,” with anti-poaching patrols to actively protect red pandas and their habitats. The network has also worked with communities to plant thousands of native trees to replace lost vegetation, restore degraded water sources, and neuter feral dogs. In addition, the Red Panda Network helps locals adopt better livestock husbandry practices, reducing the number of free-roaming cattle; and teaches sustainable organic farming methods, to help prevent further destruction of habitat.
The red panda wildlife care specialists plan out a variety of ways to make the animals’ habitat dynamic, so that guests can experience the behaviors of this unusual species. The red pandas have trees to climb and branches to negotiate—a species specialty. Recently, the trees were trimmed to give guests a better view as the red pandas traverse the branches or lounge up high. However, the pandas still have plenty of leafy places to hide for a little privacy or a nap, Karen said.
The red pandas encounter food and treats on the ground and in the trees, in a variety of continually changing locations, to encourage them to forage and explore. They are also provided with a wide array of enrichment items, including gourds bearing different scents, and food puzzles to keep daily experiences interesting and unpredictable, as they would be in a wild habitat.
“Our red pandas are also crate trained and target trained,” Karen said. “They will come to a target stick when they are prompted—anywhere in the habitat—and then get a biscuit treat.”
“Red pandas are unique, in everything they do,” Karen said. “You can watch a red panda start walking, and then all of a sudden he’ll run like he’s chasing something. They are playful and curious, and a great example of the species diversity in Asian rain forests. And everyone loves seeing them!” How could you not, with an adorable face like that?
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*As seen on San Diego Zoo Wildlife Alliance Stories.
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