An Albatross (n.) is built for leaving and ruined by staying.
An Albatross (n.) is graceful until it has to walk.
An Albatross (n.) is a seafaring goose.
A Bald eagle (n.) is put on the money of a country that would arrest anyone for keeping one.
A Bald eagle (n.) carries a country's ideals without knowing the country exists.
The Bald eagle (n.) is a fancy seagull
The Bald eagle (n.) is a buzzard with a better PR agent
Big bird (n.) is the rare giant in a story who is the frightened one.
Big bird (n.) is an eight-foot stranger that every small child trusts on sight.
Big bird (n.) is, it seems, able to display exceptional bowel control for a bird.
The Blackbird (n.) is the cello of the deep farm.