The Common Grackle is a noisy bird and they often gathered on the lawn and under the bird feeder. They are common throughout North America, often posing a threat to corn crops as a primary food source (Common Grackle Overview, 2019).
There is a large maple tree nearby, and in the spring they can be seen roosting in large flocks.
They have a signature iridescent head, that can be strikingly blue in the right light.
Common Grackle Overview, All About Birds, Cornell Lab of Ornithology. (2019). Retrieved August 16, 2020, from https://www.allaboutbirds.org/guide/Common_Grackle/overview