The Black-billed Capercaillie National Nature Reserve in Heihe city, Heilongjiang province, recently welcomed a large group of migratory birds. [Photo provided to chinadaily.com.cn]

As autumn deepens, the Black-billed Capercaillie National Nature Reserve in Heihe, Heilongjiang province, recently welcomed a large group of migratory birds.

Over 10,000 gray cranes have gathered at the reserve, attracting tourists, photographers, and birdwatchers.

Located in the transition zone between the Greater and Lesser Hinggan Mountains, the reserve is a key habitat for migratory birds.

To ensure the safety of the animals and the harmony of their habitat, local governments have improved protection and rescue management.

The Black-billed Capercaillie National Nature Reserve in Heihe city, Heilongjiang province, recently welcomed a large group of migratory birds. [Photo provided to chinadaily.com.cn]

The Black-billed Capercaillie National Nature Reserve in Heihe city, Heilongjiang province, recently welcomed a large group of migratory birds. [Photo provided to chinadaily.com.cn]

The Black-billed Capercaillie National Nature Reserve in Heihe city, Heilongjiang province, recently welcomed a large group of migratory birds. [Photo provided to chinadaily.com.cn]

The Black-billed Capercaillie National Nature Reserve in Heihe city, Heilongjiang province, recently welcomed a large group of migratory birds. [Photo provided to chinadaily.com.cn]