@ravenbait yes, the same

@ravenbait @petergleick

Yes, family Paridae! Poecile rufescens, same genus as the willow tits (Poecile montana) and marsh tits (Poecile palustris) who are a bit closer to your range. I just learned that chestnut-backed chickadees were formerly lumped into Parus (noted on photographed page), but so were the willow tits, marsh tits, and well, over 50 species, apparently.

The Phylogeny of New World Chickadees in the family Paridae, Robert Driver - https://concept.journals.villanova.edu/article/view/2075/1851