The black squirrel was unburying its food
There was a large flock of small sparrows in this one tree. They kept space between each other but would move together. When one departed the tree, multiple would follow along. They were very vocal and did not care about me being under the tree. They were engrossed in conversation and a tree across the street, also filled with sparrows, would chirp back. There were some cases of individuals flying from one tree to another but overall they seemed to be 2 distinct groups. I have seen large groups of sparrows here before so it seems this is an area they frequent. There is high foot traffic from humans and cars but they do not care.