Well, there’s a difference between a Starling and a Grackle, they’re not interchangeable, as far as my own observation.
Starlings could be either beautiful or disgusting, depending upon your perspective. Iridescent plumage looks oily when you know their behavior and they’ve roosted in trees near your house. They’re loud and messy, and hard to get rid of once they’ve settled in your trees.
Grackles are somewhat similar in size and behavior, and are actually louder than Starlings. I’ve always thought the name “Grackle” was onomotopoeiac since it sounds like the racket they raise.
But, they’re not iridescent or oily looking, they have small white speckles on their backs and wings.
I’m not exactly a “birder” from way back, so it could be that I’m mistaken, but I learned my birds from my extended family, several of whom were country farmers. They knew their pest birds.
Redwing Blackbirds, on the other hand, were beloved up to a point, so long as their population didn’t get out of hand. My grandfather had one that had learned a couple of sounds, it wasn’t exactly a pet as it was still in the wild, but it was nearly tame, came to “visit” him when he was outside. They can become mimics like a magpie with longterm close association with people.
Robins are thought to be harbingers of Spring, but really they’re not. Robins will often winter in northern states like Pennsylvania. I’ve seen them eating seeds.
But grackles arrive in late March or early April.