Hai Zi

Basic Profile

Hai Zi (Chinese: 海子) is a wild-born female giant panda. She was born in 1994 in the wild near Mianning (冕宁), Sichuan — her exact birth date is not recorded, so January 1, 1994 is used as a placeholder in this database — and entered captive management in 1996, when she was rescued and brought into the population managed by the China Conservation and Research Center for the Giant Panda (CCRCGP). Her studbook number is 544.

⚠️ Placeholder birth date. Hai Zi was wild-born; only her birth year (1994) is known. The date January 1, 1994 in this page’s data is a database placeholder, not a recorded birthday.

Record: Oldest Mother on Record

Hai Zi is one of the most significant breeding females in the CCRCGP population. In 2017, at the age of 23, she gave birth to twins Ding Ding (丁丁) and You You (酉酉) — the oldest recorded birth by a giant panda mother.

Family & Lineage

Parents

Unknown — Hai Zi was wild-born.

Children

Name	Studbook	Note
Le Le (乐乐)	606	Male, born 2005; lives at Ocean Park Hong Kong with Ying Ying (#610)
Xiang Ge (香格)	674	Brother of Le Le
Xiang Lin (香林)	748	—
Xin Xin (鑫鑫)	862	Female, born 2013-06-22; twin of Miao Miao (#863), sire Bai Yang (#623)
Ding Ding (丁丁)	1087	Female, Moscow Zoo, mother of Katyusha (喀秋莎)
You You (酉酉)	1088	Male, Ding Ding’s twin

Later Life

Hai Zi now lives in the wellness/retirement area (康养区) of the Dujiangyan Base of CCRCGP — informally known as the pandas’ “retirement home” — and remains active as of 2026, at about 32 years old.

📝 2026-04 facility note: The Dujiangyan Base closed for renovation on April 23, 2026; Hai Zi’s whereabouts since the closure have not been officially announced — pending official updates.