How was Gwaihir so well informed ?

[Mnemosyne]

Originally Posted by Keyan

I think they were the offspring of a curious Dragon and an unfortunate chicken...

Really? I thought those were the Fell Beasts. Observe:

Originally Posted by The Battle of the Pelennor Fields

The great shadow descended like a falling cloud. And behold! it was a winged creature: if bird, then greater than all other birds, and it was naked, and neither quill nor feather did it bear, and its vast pinions were as webs of hide between horned fingers, and it stank.

Giant.

Featherless.

Chicken.

Probably bred in response to the Eagles themselves...