Sibley Backyard Flashcards

A perfect knowledge builder and outdoor companion for birders from beginner to expert.  Incredible full-color paintings, vibrant range maps, and descriptive text. The face of each card shows two images of the bird—either male/female, juvenile/adult, or summer/winter depending on the degree of differentiation, with key identifying characteristics called out.  Author - Short: Sibley, David Allen Pages : 102 Illustrations