Jay Kristoff said this quote

Speaking of shabby looks, we're going to have to give you a haircut soon....WHAT?These feathers are getting messy.LET ME UNDERSTAND THIS CORRECTLY. YOU WISH TO CUT MY MANE?Thunder tigers grow manes?OF COURSE! HOW ELSE WOULD YOU TELL MALES FROM FEMALES?This is a trick question, right?A MANE IS A SIGN A MALE ARASHITORA HAS REACHED MATURITY.Her laughter rang out in his mind.So it's going to be a few more decades growing, then?HMPH. I'LL HAVE YOU KNOW MOST FEMALES FIND IT FETCHING.