It’s not every winter I see them. But quite the treat to see when they do show up. The Yellow-rumped Warbler (Setophaga coronata).
Internet sites say you can attract them with sunflower seed, raisins, suet, and peanut butter.
Where I see them most often though, not at the feeders but at the birdbath.
I’ve got my fingers crossed that I’ll get to see them this winter.