Ducks Create Talk0 Category page This page needs content. You can help by adding a sentence or a photo. Add to this page!orSearch for "Ducks" “ Assessment | Biopsychology | Comparative | Cognitive | Developmental | Language | Individual... Ducks Pages in category "Ducks" This category contains only the following page. * Ducks Retrieved from "http://psychology.wikia.com/wiki/Category:Ducks"