As the weather grows colder, migratory birds are accelerating their southward migration. Guanting Reservoir in Beijing has once again become a spectacular haven for swans. On October 24, Black Leopard Wildlife Conservation Station recorded 55 swans. The swans seen at the reservoir are mainly whooper swans and tundra swans, while the number of migratory birds in the area has been increasing gradually.

Whooper swans

Tundra swans

A whooper swan
(Source: Beijing Daily)