Question: who are the eagles in lord of the rings?
Answer: The Eagles were birds that served as messengers of Manwë. ... 
They were sent from Valinor to Middle-earth to keep an eye on the exiled Ñoldor, and on their foe the evil Vala Morgoth.
The Great Eagles were messengers of Manwë, the ruler of the sky and Lord of the Valar.