Given this reference text that describes the importance of tigers in chinese culture, what do they symbolize in modern China and what types were common in the northeast?

Tigers have been of great importance in Chinese culture since the earliest surviving records of Chinese history, with the character 虎 appearing on the Shang-era oracle bones. In prehistoric China, the Siberian, South China, and Bengal tigers were common in the northeast, southeast, and southwest respectively and tigers figures prominently in myth, astrology, Chinese poetry, painting, and other fields. Most prominently, the tiger has long been regarded as a major symbol of masculine yang energy and the king of the animals. In modern China, it generally represents power, fearlessness, and wrath

Tigers symbolize power, fearlessness and wrath in modern China.  Bengal tigers were common in the northeast.