I remember a story about an ornithologist named Eugene Schieffelin who wanted to release all birds mentioned in Shakespeare into the new world (per anecdote). One of them was the starling, which competed very strongly with the eastern bluebird for nesting sites and food to the degree that the numbers of bluebirds declined particularly near cities. Schieffelin was also responsible for introducing the house sparrow; now one needs to visit the woods to see native sparrow species like the chipping sparrow.
And now we know the genesis of...The Schieffelin Plan. 😏😉