Top Row: Acadian Flycatcher, Pine Siskin, Northern Harrier, Golden-Crowned Kinglet.
2nd Row: Black-Throated Blue Warbler, Blue Grosbeak, Banded leg of a warbler (possibly Connecticut), Northern Flicker, Purple Finch.
3rd Row: Swainson’s Thrush, Baltimore Oriole, Dark-Eyed Junco, Northern Parula, Flycatcher Species, likely a Yellow-bellied Flycatcher.
4th Row: Black-Billed Cuckoo, House Finch, Yellow-Bellied Sapsucker, Blue-Headed Vireo, Cape May Warbler.
5th Row: Indigo Bunting, Common Yellowthroat, American Kestrel, Blackpoll Warbler, Pine Warbler.
Last Row: Blue-Headed Vireo, Grasshopper Sparrow, American Kestrel, Red-Breasted Nuthatch, Field Sparrow.
Congrats to Patrick Carney, who got almost all of the IDs correct.
Oh wow, I only missed two (including the unknown 2nd row). Hitting myself in the head over the Blue Grosbeak though, which I said was an Indigo Bunting. 😛