A nest hole in which a female (grey phase) sat was found on 22 June 1994 at 1, 160m asl. of Mt. Takamaru, Tokushima Prefecture. Four eggs were seen in the hole on 28 June and three nestlings were observed on 18 July. In addition to these observations, a male (brown phase) singing on a branch near the nest hole was seen on 16 June.
