Parts of a bird beak Create Classic editor Talk0 Category page This page needs content. You can help by adding a sentence or a photo. Add to this page!orSearch for "Parts of a bird beak" “A commissure is the place where two things are joined. The term is used especially in the fields... Commissures Pages in category "Parts of a bird beak" This category contains only the following page. C Commissures Retrieved from "http://psychology.wikia.com/wiki/Category:Parts_of_a_bird_beak"