Siberian tiger cubs play at the Hengdaohezi Siberian Tiger Park in Mudanjiang, northeast China's Heilongjiang Province, July 28, 2025. A total of 40 Siberian tiger cubs have been born at the park since March. (Photo by Zhang Chunxiang/Xinhua)

Siberian tiger cubs play at the Hengdaohezi Siberian Tiger Park in Mudanjiang, northeast China's Heilongjiang Province, July 28, 2025. A total of 40 Siberian tiger cubs have been born at the park since March. (Photo by Zhang Chunxiang/Xinhua)

Siberian tiger cubs play at the Hengdaohezi Siberian Tiger Park in Mudanjiang, northeast China's Heilongjiang Province, July 28, 2025. A total of 40 Siberian tiger cubs have been born at the park since March. (Photo by Zhang Chunxiang/Xinhua)

Siberian tiger cubs are taken care of at the Hengdaohezi Siberian Tiger Park in Mudanjiang, northeast China's Heilongjiang Province, July 28, 2025. A total of 40 Siberian tiger cubs have been born at the park since March. (Photo by Zhang Chunxiang/Xinhua)

Siberian tiger cubs drink water at the Hengdaohezi Siberian Tiger Park in Mudanjiang, northeast China's Heilongjiang Province, July 28, 2025. A total of 40 Siberian tiger cubs have been born at the park since March. (Photo by Zhang Chunxiang/Xinhua)