All things must be what they are. A duck can pretend to be an eagle except in times of adversity. No 4 No duck may be an eagle until it abandons its webbed feet and bill for talons and a beak. All things remain as they are until the attributes that define them are abandoned. Then, and only then, can they evolve.
Ducks are noble creatures.
They shall not be penalized in the eyes of other creatures because they are not eagles. All things are honorable if they are what they are honestly, even if they are different from you. The greatest duck that ever was cannot cannot fly as high as even a modest eagle. If one would soar with eagles, do not swim with ducks. No. 7 Ducks flock.