New KS riddle

Hi,

Encountered this new KS riddle not in the WIKI, anyone has any idea on the answer ?

Feathered form, of Valar born and valour forged;
Brother, companion, named swiftest of them all

BR
Kim

Holy banana, here is a second new KS riddle also not in the WIKI:

I grow very slowly at imperceptible rate,
I accompany life, and survive past demise.
Men who have me may lose me in life.
I am viewed with esteem in many eyes.

I think answer is : Hair

BR
Kim

The Great Eagles were created by Manwe of the Valar. Of the Great Eagles Gwaihir, brother of Landroval and companion to Gandalf , was the swiftest.

2nd riddle answer is hair