The Crow. The Crocus.
Reading edition
Some are unable, as you know, To tell the Crocus from the Crow; The reason why is just be-caws They are not versed in Nature's laws. The noisy cawing Crows all come, Obedient to the Cro'custom, A large Crow Caw-cus to convoke. You never hear the Crocus croak!