What do you call a gorilla wearing ear-muffs?
Anything you like! He can’t hear you!
Interesting Fact: There is a dominance hierarchy within flocks. Some birds are “winter floaters” that don’t belong to a single flock—these individuals may have a different rank within each flock they spend time in. ( https://www.allaboutbirds.org/guide/Black-capped_Chickadee/lifehistory )