As summer approaches, the secluded Changbai Mountain region is abuzz with activity.

The Toudaobai River, which originates from Changbai Mountain, is the breeding ground for the precious Chinese merganser and other water birds.

The American mink has just embraced its breeding season. The mallards are among the best swimmers in the Toudaobai River. And the white-backed woodpecker is foraging restlessly on trees, preparing for the coming of new life in summer.

(Cover image is a screenshot from the video)

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