I thought this was a fledgling robin, but the beak's wrong and it's about the size of a small sparrow. The second (they were feeding together) appears a bit older and has a strong white eye ring. I feel like I've seen it before, but can't pull it up.
View attachment 354956
View attachment 354957
Ovenbird?
https://www.allaboutbirds.org/guide/Ovenbird/id