SAN DIEGO -- The San Diego Zoo's panda cub has a name and it's Precious.

It's also Zhen Zhen in Chinese.

Following Chinese tradition, the zoo waited until the cub, which was born Aug. 3, reached 100 days old before giving her a name.

More than 2,400 names were initially submitted by zoo visitors. Those were narrowed to four and then 36 percent of voters chose Zhen Zhen in an online poll.

The other choices were Li Hua (Beautiful China), Ming Zhu (Bright Treasure) and Xiao Li (Little Beauty).

The cub is still living out of public view in a private den with her mother, the panda Bai Yun.

In 1999, Bai Yun gave birth to the first panda cub to survive in the U.S. after decades of failed breeding attempts. Zhen Zhen is Bai Yun's fourth cub, and the third in a row sired by the zoo's male panda, Gao Gao.

The two have produced a cub each time they've mated since Gao Gao arrived in California in 2003, making them among the most reproductively successful pairs in captivity.

Their eldest offspring, a male panda, was returned to the Wolong Nature Reserve in China last month.

Gao Gao, 17, is valuable as a stud breeder because he isn't related to any other captive pandas; he was taken into captivity in China after being found wounded in the wild.

Earlier this year, efforts to use his semen to artificially inseminate a panda at the National Zoo failed to produce a pregnancy. Zoo officials there said they plan to try again next spring.

Zoo officials have not announced when Zhen Zhen will appear in the public pens at the facility's Giant Panda Research Station. She and Bai Yun can be viewed in their private den via the zoo's webcam.