These are Boat-tailed Grackles. The male is on the left and the female on the right. Diana and I took our first trip to Florida many years ago. I still remember how confused we were when we saw a mixed flock of these birds. We actually thought they must be different species. Even though we were novice birders then, we did know that males and females of the same species often have different looking plumages. But not only did these grackles look different, they were also different in size. Males are 16 ½ “ and females are only 13”. Plus, the male has yellow eyes and the female has brown eyes. After asking some park rangers about these birds, we did finally get it straightened out. Boat-tailed Grackles are found along the Atlantic and Gulf coasts and all across Florida.
Boattailed GrackleSt. Mark's NWR