Let me know if this is too much info, but my new top two guesses:
Black-Throated Blue Warbler: ebird.org/species/btbwar
The closest warbler matching that description, but warbler calls are high-pitched.
Alternatively, might be a Common Grackle: ebird.org/species/comgra
Lots of di...
Bluesky post by @metasine.bsky.social