Oops! LOL yes I meant cloaca. Voice to text. My dad's wife and my niece are both audiologists, too! Anyway I hope the YouTube video is helpful for people.Cochlea is a part of the ear, on humans or chickens.
Vent is the chicken's butthole (where the eggs and the poop come out.)
You might mean "cloaca," which is a more technical term for a chicken's vent.