Verycommon resident throughout Asakawa River basin. Often used as a measure-birdthat helps as a measure to indicate the size of birds together with TreeSparrow and White-cheeked Starling (e.g. gItfs larger than White-cheekedStarling, but smaller than Brown-eared Bulbulh) . Reveals its presence withits very noisy , peet peet, piiyieyo. Although it is a resident, the numberof the species increases in spring and in autumn according to our regularcounting; possibly indicating some additions by migratory birds. More than100 flocks are sometimes observed during the season.