Yellow-billed Grosbeak (Eophona migratoria, 黑尾蜡嘴雀). Male.
Every winter flocks, large and small, of grosbreaks appear in the forests and especially in the trees by the river and they seldom mingle with other songbirds. They are ravenous devourers of seeds and whatever insects they can find. The males have a black masks and wings while the females are uniformly grey.
