On this page
MEET / 1173An individual life
Chenglang
成浪
- Life status
- Living
- Born
Chenglang weighed just 42.8 grams when she was born on June 11, 2019—less than a quarter of the typical weight of a newborn giant panda cub. At the time, she set the record for the lowest known birth weight of a surviving giant panda cub. With intensive care at the Chengdu Panda Base, the extremely low-birth-weight cub made it safely through the dangerous early stage of life.
- Sex
- Female
- Studbook number
- 1173
- Current place
- Chengdu Research Base of Giant Panda Breeding

Timeline
4 recorded events
Born at the Chengdu Panda Base at a record-low surviving birth weight
Chenglang was born at the Chengdu Research Base of Giant Panda Breeding on June 11, 2019, the same day as twin sister Chengfeng. Weighing 42.8 grams, she set the then-world record for the lowest birth weight of a surviving captive giant panda cub.
Chengdu Research Base of Giant Panda Breeding
Featured in the release of a public-welfare music video inspired by her growth
On March 12, 2020, the giant-panda public-welfare music video “Our Hearts Are Together,” built around Chenglang’s growth from a 42.8-gram low-birth-weight cub, was formally released to encourage medical workers and patients during the fight against COVID-19.
Chengdu
Moved to Panda Valley
Chenglang moved to Panda Valley on April 21, 2022.
Chengdu Field Research Center for Giant Pandas (Panda Valley)
- Year only
Returned from Panda Valley to the Chengdu Panda Base
Chenglang returned from Panda Valley to the Chengdu Research Base of Giant Panda Breeding in 2026.
Chengdu Research Base of Giant Panda Breeding
Relationships
Places
Current place
Chengdu Research Base of Giant Panda Breeding
Read more about its time in different places in the Timeline.
Sources
These are sources related to this panda. Sources for individual events appear in the timeline; one source does not establish every detail.
- www.sina.cnhttps://www.sina.cn/news/detail/5288830065967375.html
Event source
- baike.sc.xinhuanet.comhttps://baike.sc.xinhuanet.com/sc/a/1668.htm
Event source