What do pandas eat?
A bear that eats almost nothing but bamboo, and a lot of it. Why the giant panda chose the hardest diet and how its carnivore's body copes.
The giant panda is one of the most beloved animals in the world, with its black-and-white fur and its calm air. And much of its fame comes from a surprising quirk: it’s a bear that spends the day eating bamboo. But why did a bear choose such a strange diet, and how does it manage to live on a plant?
Almost nothing but bamboo
The short answer to “what do pandas eat” is blunt: bamboo, and in enormous amounts. About 99% of their diet is this plant. As WWF notes, a panda can eat different parts of the bamboo (the stalks, the leaves, and above all the tender shoots) depending on the time of year.
They eat so much that they spend 10 to 16 hours a day just feeding, consuming between 12 and 38 kilos of bamboo daily. Practically, their whole life revolves around eating bamboo.
The paradox: a carnivore that eats plants
Here’s the truly curious part. The panda belongs to the order of carnivores and has the digestive system of a carnivorous bear: a short intestine, designed to digest meat, not to process fibrous plants.
Bamboo, on the other hand, is very poor in nutrients and hard to digest. The panda doesn’t make good use of it: it absorbs only a small part of what it eats. That’s why it needs to eat so much: to make up for how little its body extracts from each bite. It’s like trying to fill a bucket with a hole: you have to keep pouring water nonstop.
How its body copes
To live on such a poor diet, the panda has developed several adaptations:
- A “false thumb”: an elongated wrist bone that works like an extra thumb and lets it grip and handle bamboo stalks with precision.
- Powerful jaws and teeth, with wide molars ideal for crushing the tough stalks.
- A calm, low-energy lifestyle: they move little and rest a lot to save energy, precisely because their food gives them so little.
Do they eat anything else?
Although bamboo is almost everything, the panda is technically omnivorous. On very rare occasions it may eat other plants, eggs, small animals, or carrion. But these are rare exceptions: in practice, its entire life depends on bamboo, to the point that the scarcity of this plant is one of the threats to its survival.
A one-of-a-kind bear
The giant panda is a magnificent example of how capricious evolution can be: a carnivorous bear that decided to live on a grass, and that, to pull it off, developed a false thumb and infinite patience for chewing. Its extreme diet explains a lot about its calm character and its enormous appetite. The next time you see a panda nibbling bamboo, you’ll know it’s not laziness: it’s pure survival.