| #8550, aired 2022-01-07 | 4-LETTER BIRDS $400: On a chessboard, this European black bird would be worth about 5 pawns a rook |
| #8550, aired 2022-01-07 | 4-LETTER BIRDS $800: The canyon species of this bird is small, brown & chubby & a sweet whistler wren |
| #8550, aired 2022-01-07 | 4-LETTER BIRDS $1200: You can tell the "mourning" species of this by its characteristic call & long, pointed tail dove |
| #8550, aired 2022-01-07 | 4-LETTER BIRDS $1600: A bufflehead, teal or merganser, for example a duck |
| #8550, aired 2022-01-07 | 4-LETTER BIRDS $2000: A "true" this is a member of the swift, predatory genus Accipiter hawk |
| #4728, aired 2005-03-09 | 4-LETTER BIRDS $400: The Arctic variety of this gull relative is famous for migrating over 25,000 miles each year a tern |
| #4728, aired 2005-03-09 | 4-LETTER BIRDS $800: It's sometimes referred to as the South American ostrich the rhea |
| #4728, aired 2005-03-09 | 4-LETTER BIRDS $1200: DNA from the remains of this extinct bird at a British museum proved that it had been part of the pigeon family the dodo |
| #4728, aired 2005-03-09 | 4-LETTER BIRDS $1600: Let's go fly the swallow-tail species seen here a kite |
| #4728, aired 2005-03-09 | 4-LETTER BIRDS $2000: The most abundant crow in Europe, you might find one near a castle a rook |
| #1656, aired 1991-11-11 | 4-LETTER BIRDS $100: An elated person is sometimes said to be "as happy as" this songbird lark |
| #1656, aired 1991-11-11 | 4-LETTER BIRDS $200: This bird isn't biologically distinct from the pigeon, it's just smaller dove |
| #1656, aired 1991-11-11 | 4-LETTER BIRDS $300: The rook is the most common member of this bird family found in Europe crow |
| #1656, aired 1991-11-11 | 4-LETTER BIRDS $400: Ancient Egyptians believed this bird to be a representative of the god Thoth ibis |
| #1656, aired 1991-11-11 | 4-LETTER BIRDS $500: Species of this bird include the Caspian, South & Arctic tern |
| #1390, aired 1990-09-21 | 4-LETTER BIRDS $200: Groucho Marx depended on this bird to bring him the secret word on "You Bet Your Life" a duck |
| #1390, aired 1990-09-21 | 4-LETTER BIRDS $400: Like a myna & parrot, some species of this black bird can be taught to talk crow |
| #1390, aired 1990-09-21 | 4-LETTER BIRDS $600: Pronounced one way, it's a bird; pronounced another way it means "jumped in head first" dove |
| #1390, aired 1990-09-21 | 4-LETTER BIRDS $800: Often found in crossword puzzles, this sea eagle can also be a 3-letter bird when its final E is dropped an erne |
| #1390, aired 1990-09-21 | 4-LETTER BIRDS $1000: The white & glossy varieties of this bird live in the Americas, the sacred in Egypt an ibis |
| #1072, aired 1989-04-11 | 4-LETTER BIRDS $200: This bird isn't attached to a string, like a high-flying apparatus of the same name a kite |
| #1072, aired 1989-04-11 | 4-LETTER BIRDS $400: This "crazy" bird appeared in the title of an E.L. Doctorow novel the loon |
| #1072, aired 1989-04-11 | 4-LETTER BIRDS $1000: Once considered sacred in Ancient Egypt, this wading bird is no longer found along the Nile the ibis |
