Verses with the word feathered in the Old Testament (2 verses):

Psalms 78:27
He rained flesh also upon them as dust, and feathered fowls like as the sand of the sea:

Ezekiel 39:17
And, thou son of man, thus saith the Lord GOD; Speak unto every feathered fowl, and to every beast of the field, Assemble yourselves, and come; gather yourselves on every side to my sacrifice that I do sacrifice for you, even a great sacrifice upon the mountains of Israel, that ye may eat flesh, and drink blood.