1. Use the dichotomous key in the diagram to identify Bird z. Camamynchus Certhidea 0 Geospiza e Bird W Bird X Bird Y Bird Z Dichotomous Key to Representative Birds 1. a The beak is relatively long and slender Certhidea b. The beak is relatively stout and heavy- 2 a. The bottom surface of the lower beak is flat and straight Geospiza b. The bottom surface of the lower beak is curved. 3.a. The lower edge of the upper beak has a distinct bend Camarhynchus b. The lower edge of the upper beak is mostly flat. Platyspiza -go to 2 e Platysoiza go to 3 CLEAR ALL​