A feathered, egg laying vertebrate animal, having the fore limbs modified as wings.
That's it, good bird! – Popular Adventure Tales by Mayne Reid
You are a sea- bird, I know, but I am not a sea boy, and I cannot live in the water." – Mopsa the Fairy by Jean Ingelow
Up in the Thunder Bird Johnny was thinking quite different thoughts. – The Thunder Bird by B. M. Bower