The Northern Parula is a relatively uncommon warbler in Ontario. It breeds across eastern Canada, from Nova Scotia west to
Manitoba, and in most of the eastern U.S., but not, with a few exceptions,
here in southern Ontario. It thus seems to prefer boreal forests, and
Carolinian forests, but not the transitional forests of the lower Great
Lakes. The species winters mostly from southern Florida through the West
Indies, and parts of Mexico down into Central America. This is a male in
spring plumage...which can be quite variable in terms of the dark breast
band.