Yepper, yellow-rumped warbler, common as dirt up north, hordes of 'em spend the winter around here.
Foraging niche-wise, they are habitat generalists within the confines of the Boreal forest. They also have the ability to digest the wax on many berries, which accounts for why they can winter in the Southern US.
When we was kids they used to be called "Myrtle Warblers" on account of they hung around myrtle bushes eating myrtle berries in the fall in New England, but they have since decided the yellow throated Rocky Mountain form, formerly known as the "Audubon's Warbler", is in fact the same species, so they lumped 'em both into the "Yellow-rumped Warbler", which I guess is an OK name.
We still call them Myrtles up here. Old habits die hard I guess.
