The great Eagles

The Great Eagles were beings of Arda said to have been "devised" by Manwë Súlimo, leader of the Valar, and were often called the Eagles of Manwë. They were sent from Valinor to Middle-earth to keep an eye on the exiled Ñoldor, and also upon their foe the evil Vala Morgoth, and later upon Sauron.