Gavia adamsii, the largest member of the loon or diver family, having a black head, white underparts and checkered black-and-white mantle.

A duck, Gavia adamsii, found in the arctic and subarctic.

(idiomatic, US politics) A bill consisting of many riders that attracts many, often unrelated, floor amendments, which may provide special benefits to various groups or interests.

Clytoctantes alixii, a species of antbirds.

A tinamou, Nothoprocta curvirostris.

A tinamou, Crypturellus parvirostris.

plural of duck-billed platypus

plural of Christmas tree bill

plural of paint-billed crake

A large black and white stork of western Africa (Ephippiorhynchus senegalensis) having a red bill with a black band across it. It is sometimes called jabiru.