You never seen the film Birds? Chickens are worserer than that even. Think of rapacious pterodactyls, and that's chickens for you. Ever seen one sharpening a carving knife, whilst licking its lips and looking at you? That's chickens for you.
It's a part of the night sky that's completely void of stars. Just an infinite abyss that gets ever darker the longer you look. And the longer you look, the more you hear.