Ecology : It which is gorgeous nest in a hole on a tree in a valley of a broad-leaved forest. It breeds in an artificial bird box and sits on a tree frequently. In winter, flock of them live together. It which passes the winter in the Camellia Hill usually eats an acorn of Ring-cupped Oak.
Where you can see this species at Dongbaekdongsan : In Jeju, it comes as a winter migratory bird, and passes the winter at a river and a valley. During the period of passing the winter, we can see it, it’s excrement and feather near a pond of the Camellia Hill.
※ natural monument No. 327