Giant Panda Facts: Why Pandas Eat So Much Bamboo
Giant pandas eat so much bamboo because they digest it poorly. Like other members of the order Carnivora, they have a short digestive tract and digest only about 17% of what they eat, and bamboo is low in nutrients. So an adult may spend 10–14 hours a day eating, and up to 38 kg of bamboo.
What is a panda’s “sixth finger”?
Bears do not have an opposable thumb. Instead, pandas evolved an enlarged wrist bone that works like an extra finger, often called a pseudo-thumb. It helps them grip bamboo stalks, which make up about 99% of their diet. Raw bamboo can release toxic hydrogen cyanide during digestion, but the panda’s liver and kidneys contain an enzyme called rhodanese that turns it into less toxic compounds.
Key facts
- An adult panda can eat up to 38 kg of bamboo a day.
- Some bamboo species can grow nearly 1 m in a day.
- Around 66 giant pandas live in zoos outside China.
How big is a newborn panda cub?
Astonishingly small: just 90–130 g, about the same as a newborn kitten and roughly 900 times lighter than its mother. A female is fertile for only about two to three days a year, and pregnancy lasts three to six months. Cubs are born pink and almost hairless, open their eyes at six to eight weeks and first taste bamboo at around five to six months. They stay with their mother for one and a half to two years.
How many giant pandas are left in the wild?
By early 2026, about 1,900. Surveys counted only 1,114 in 1985–1988, after decades of habitat loss and hunting. China banned panda hunting, created reserves such as Wolong and, in 2021, joined them into the Giant Panda National Park. In 2016, the IUCN moved the species from Endangered to Vulnerable, but habitat loss and climate change remain threats.
Where can I read the full story?
This is a short version of “Bamboozled” from OYLA 12+, Vol. 12, Issue 10 (October 2026). The full article in OYLA 12+ also meets the red panda, follows a cub through its first two years and explains panda diplomacy.
Read next
What Were Terror Birds? The Giant Birds That Ruled South America
Terror birds, or Phorusrhacids, were flightless predatory birds that ruled South America for tens of millions of years…
How Did Animals Learn to Fly? Insects, Pterosaurs, Bats and Birds
Animals learned to fly not once but four separate times. Insects took to the air first, more than…
Carl Friedrich Gauss: Facts About the Prince of Mathematicians
Carl Friedrich Gauss (1777–1855) was a German mathematician known as the “Prince of Mathematicians”. Born into a working-class…
Cognitive Biases: Thinking Traps That Fool Even Scientists
Cognitive biases are mental shortcuts that help the brain decide quickly but can lead it astray. We notice…
Science like this, every month
OYLA is a printed science magazine for curious teens and their parents, delivered to your door across India.
Made for ages 12+
In-depth articles on space, technology, biology and maths for teens.
12 issues a year
A new printed issue every month, delivered to your door.
Free OYLA Workbook
Hands-on activities that turn reading into doing.
Trusted by 150,000+ readers
Loved by families and used in 1,500+ schools.
Keep exploring with OYLA
Every issue answers the questions kids ask about the world. Start your child's science journey today.