Minecraft wiki entry for Parrot, associated text: The first image of parrots, tweeted by Maria Lemón.
Note how the parrots crowd around the villager in a tight circle.
Parrots also crowd around hostile mobs, such as creepers.
Poison particles that appear in case the player feeds cookies to parrots.
Parrots riding on the shoulders of Steve, "the parrot king", tweeted by Maria Lemón.