“Giant pandas eat bamboo for up to 14 hours a day.”
The giant panda is a black-and-white bear of the bamboo forests of Sichuan and neighboring Chinese mountains. It feeds on bamboo for up to 14 hours a day and, after decades of recovery work, is listed as Vulnerable.
By An Nguyen · Published · Updated
Ailuropoda melanoleuca Carnivora Ursidae
Measured against the 176 species profiled on this site. Each figure is converted to one unit system from the published range on the page, so the ranks are computed, not quoted.
| Measure | This species | Rank here | Exceeds |
|---|---|---|---|
| Body mass | 136.1 kg | #45 of 176#33 of 90 Mammalia | 75% |
| Body length | 1.83 m | #52 of 176#34 of 90 Mammalia | 70% |
| Lifespan in the wild | 20 yr | #60 of 169#31 of 85 Mammalia | 59% |
Closest in body mass
Ranks use the upper end of each published adult range, so they compare typical large adults rather than records, and metrics with no published number are left out rather than estimated. The full table is downloadable from the species dataset, and any two species can be put side by side in the comparison tool.
Browse photographs of giant panda across habitat, behavior, anatomy, and life stages.
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Core article
A closer look at habitat, diet, behavior, reproduction, and conservation.
The giant panda (Ailuropoda melanoleuca) is a bear of the mountain forests of central China whose diet is about 99% bamboo leaves, shoots, and stems. Because its short gut extracts little energy from that food, an adult may feed for up to 14 hours a day and consume 25 to 80 pounds of bamboo. Despite the shared name and diet, it is not a close relative of the red panda; the two are set side by side in giant panda vs. red panda.
An adult runs 4 to 6 feet long, 2 to 3 feet at the shoulder, and 200 to 300 pounds, in a dense, oily, waterproof coat that fends off cold mountain rain and snow. Molecular genetics settled a long debate by placing it firmly in the bear family Ursidae — a true bear, from an ancient lineage that split from other bears around 19 million years ago and later became highly specialized for bamboo feeding. Two features support that diet: a widened skull anchoring big jaw muscles, with broad ridged molars that crush woody stems, and a "pseudo-thumb" on each forepaw — not a real digit but an enlarged wrist bone — that presses bamboo against the fingers so the panda can grip, turn, and strip a stalk.
Wild giant pandas survive only in the mountain bamboo forests of central China — mainly Sichuan, Shaanxi, and Gansu. They once ranged across much of southern and eastern China into northern Myanmar and Vietnam, but human expansion has shattered that range into isolated, fragmented patches. They live in cool, misty temperate broadleaf and mixed montane forest, typically between 5,000 and 10,000 feet, wherever the understory is dominated by bamboo.
Bamboo is about 99% of the diet, so despite sitting in the order Carnivora the panda is functionally a specialized herbivore, taking only trace amounts of tubers, small rodents, or carrion. Its gut kept the short, simple plumbing of a carnivore, so digestive efficiency is very low — it extracts roughly 17% of the dry matter it eats, which is why it must consume so much and defecate so often. Bamboo isn't one food, either: pandas switch among species and plant parts as quality changes through the year, favouring protein-rich new shoots when available and falling back on leaves, inspecting each stalk by smell and touch. They don't hibernate — the diet can't build the fat a long fast needs — and instead shift elevation to find edible bamboo, feeding, resting, and moving short distances rather than travelling far. The tie between gut anatomy, bamboo chemistry, and feeding time is explored in why giant pandas eat bamboo all day.
Their thin energy margins make giant pandas solitary and reclusive, meeting almost only in the brief spring mating season. They hold large, overlapping home ranges and, in the visually closed bamboo forest, communicate mainly by scent: both sexes back up against prominent trees and rub a dark, waxy secretion from an anogenital gland onto the bark, advertising identity, sex, and readiness to breed. In the short breeding window females vocalize heavily — bleats, honks, and barks — and rival males compete fiercely.
A female giant panda is receptive for just 24 to 72 hours a year. After mating, delayed implantation can extend total pregnancy to 95 to 160 days even though active fetal development is brief. Births occur in hollow trees or rock crevices, and a newborn weighs 3 to 5 ounces — roughly 1/900th of the mother's weight — and is born blind and hairless. It needs constant care; when twins are born the mother usually cannot feed both and raises only one. The surviving cub nurses and stays with her for 18 months to 2 years.
The IUCN moved the giant panda from Endangered to Vulnerable, reflecting a slow rise to more than 1,800 wild animals after decades of intensive Chinese conservation — protected reserves, anti-poaching enforcement, and successful captive breeding. The future is still precarious. Habitat fragmentation is the dominant threat: roads, railways, and farmland cut subpopulations off from each other and throttle gene flow, so protecting forest corridors between reserves matters as much as guarding individual feeding sites. The tight dependence on bamboo also leaves pandas exposed to natural synchronous bamboo die-offs and to climate change reshaping montane forest.
Giant pandas eat bamboo for up to 14 hours a day.
A newborn panda cub is about the size of a stick of butter.
Giant pandas have an extra wrist bone that works like a thumb for holding bamboo.
Despite belonging to the bear family, giant pandas eat almost no meat.
Giant pandas were once found across much of southern and eastern China.
Adult giant pandas mark their home range with scent from glands near their tail.
Select a question to reveal the answer.
Wild giant pandas live only in mountain forests in central China, mainly in Sichuan, Shaanxi, and Gansu provinces.
Giant pandas eat almost nothing but bamboo—leaves, shoots, and stems. Bamboo makes up about 99 percent of their diet.
Giant pandas are listed as Vulnerable. Their numbers are slowly rising thanks to protected forests and breeding programs.
Adult giant pandas usually live alone. Mothers raise cubs until the young pandas can feed and survive on their own.
Bamboo is available year-round in panda forests. Over time, giant pandas evolved to depend on it as their main food.
Giant pandas can climb trees, but adults spend much of their time feeding and moving on the ground. Cubs climb more often for safety, while adults use trees for escape or rest rather than as a permanent home.
Giant pandas need cool, wet mountain forests with a dense bamboo understory. Wild populations survive in fragmented temperate and montane forests of central China, especially in Sichuan, Shaanxi, and Gansu.
The pseudo-thumb helps a panda grip bamboo stems. It is an enlarged wrist bone that presses against the true fingers, allowing the bear to hold, rotate, and strip bamboo while feeding.
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