black-and-white warbler, referee bird (Mniotilta varia)

Mniotilta varia is a species in the Mniotilta genus. It is commonly known as black-and-white warbler, referee bird This name is unplaced name for the species in the family Parulidae . . This species is found in breeds in northern and eastern North America and winters in Florida, Central America, and the West Indies down to Peru.