They scratch in the dirt, eat whatever is thrown to them and search greedily in their crowed barnyards for more to fill their bellies, much of it unclean. By nature chickens are an unclean bird, they are bound to their existence and are satisfied with it.
But not the eagle, he has an inherited nature that will not survive confinement. To fulfill his purpose in life he must be free to soar the heavens. It may look lonely up there because not many will dare to rise to such heights. But the eagle doesn’t care; it’s not in his nature to need the approval of the majority. Deut.32:11;