Five months after this summer’s earthquake in Sichuan Province devastated China’s panda population, the Giant Panda Protection and Research Center in Yaan has twice the reason to celebrate—twins.

The black-and-white twins, born of refugees from the May earthquake, will be named 100 days after their birth in keeping with Chinese tradition, the Mail Online reports.

The birth of panda twins is a triumph for the center, which works to reintroduce pandas back into the wild in the hopes of recuperating the endangered species.

The number of giant pandas has dwindled because of their suppressed reproductive behavior and shrinking habitats, says the Mail Online. Two hundred and ninety-three giant pandas were born in captivity last year, the Mail Online reports.

The healthy cubs are now among 1,590 pandas living in China.

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