ClipArt ETC
"Trachea or windpipe of the red breasted merganser, Mergus serrator, about half natural size, viewed from above (behind); after Newton, A, tongue; B B, its attachments; C C; windpipe, dilated in the middle and swelling below into a bony box, D; E E, bronchial tubes, going to the lung" Elliot Coues, 1994

the Windpipe of a Male Red Breasted Merganser

"Trachea or windpipe of the red breasted merganser, Mergus serrator, about half natural size, viewed…