The main habitats in the nature reserve are coniferous-broadleaf mixed forest, broadleaf deciduous forest and secondary forest. The IBA includes the wetland and open water habitats in the reserve.
Non-bird biodiversity: There are records of Panthera tigris altaia, Panthera pardus, Felis lynx, Lutra lutra, Martes zibellina, Ursus arctos, Selenarctos thibetanus and Cervus nippon, but their numbers have declined in recent years.
BirdLife International (2020) Important Bird Areas factsheet: Songhua Hu, Baishan Hu and Hongshi Hu. Downloaded from http://www.birdlife.org on 30/09/2020.