The yellowhammer (Emberiza citrinella) is a passerine bird in the bunting family that is native to Eurasia and introduced to New Zealand, Australia, the Falkland Islands, and South Africa. Most European birds remain in the breeding range year-round, but the eastern subspecies is partially migratory, with much of the population wintering further south. The male yellowhammer has a bright yellow head, streaked brown back, chestnut rump and yellow underparts. Other plumages are duller v (Wikipedia)