His only nourishment was milk, drawn from a bottle through a quill.
When he flaps his wings or even moves a quill the thunder peals.
In reality they are birds of the same feather: each has a quill and uses it.
The Sibyl picked them up and wrote with an eagle's quill on each.
From his poem, "On receiving an eagle's quill from Lake Superior."
She put the quill into his ...