Below you can find the They're the large stiff tail feathers of a bird or the stiff spines of a porcupine Jeopardy Words Answer. The answer to They're the large stiff tail feathers of a bird or the stiff spines of a porcupine has 6 letters. This clue belongs to the Ps & qs category and is part of Jeopardy Word Level 575. If you scroll near the bottom you will find other clues and answers part of level 575