| Birds that grab bats | 20 |
| Birds that lay green eggs | 25 |
| Birds that look a bit like penguins | 35 |
| Birds that look sorta like penguins | 35 |
| Birds that may be spotted | 25 |
| Birds that might deliver a bundle | 33 |
| Birds that resemble bitterns | 28 |
| Birds that sound batty | 22 |
| Birds that sound deserving | 26 |
| Birds that symbolize peace | 26 |
| Birds that talk back | 20 |
| Birds that utter booming notes | 30 |
| Birds who get busy right up to April? | 37 |
| Birds who initiate lawsuits against marsh developers? | 53 |
| Birds whose heads can rotate 135 degrees left or right | 54 |
| Birds with "meat cleaver" bills | 41 |
| Birds with a name from Greek myth | 33 |
| Birds with binocular vision | 27 |
| Birds with colorful mates | 25 |
| Birds with dark green eggs | 26 |
| Birds with green eggs | 21 |
| Birds with hanging nests | 24 |
| Birds with inflatable neck sacs | 31 |
| Birds with loud calls | 21 |
| Birds with rare binocular vision | 32 |
| Birds with recurved plumage | 27 |
| Birds with S-shaped necks | 25 |
| Birds with showy mates | 22 |
| Birds with showy plumes | 23 |
| Birds with showy tails | 22 |
| Birds with two pairs of eyelids | 31 |
| Birds with valuable plumes | 26 |
| Birds with vivid plumage | 24 |
| Birds with webbed feet | 22 |
| Birds without voice boxes | 25 |
| Birds ___ | 9 |
| Birds ___ feather | 17 |
| Birds ____ feather | 18 |
| Birds' "thumbs" | 29 |
| Birds' abodes | 17 |
| Birds' beaks | 16 |
| Birds' best friend | 22 |
| Birds' bills | 16 |
| Birds' biological class | 27 |
| Birds' build? | 17 |
| Birds' class | 16 |
| Birds' crops | 16 |
| Birds' home | 15 |
| Birds' homes | 16 |
| Birds' migration time | 25 |
| Birds' morning song | 23 |
| Birds' output | 17 |
| Birds' partners | 19 |
| Birds' pates | 16 |
| Birds' positions at feeding time? | 37 |
| Birds' semiannual flight | 28 |
| Birds' wing sounds | 22 |
| Birds' words | 16 |
| Birds, as a class | 17 |
| Birds, at times | 15 |
| Birds, biologically | 19 |
| Birds, collectively | 19 |
| Birds, generally | 16 |
| Birds, in Latin | 15 |
| Birds, scientifically speaking | 30 |
| Birds, to a zoologist | 21 |
| Birds, to Bardot | 16 |
| Birds, to biologists | 20 |
| Birds, to Brutus | 16 |
| Birds, to zoologists | 20 |
| Birds-feather connection | 24 |
| Birds-feather connector | 23 |
| Birds-feather link | 18 |
| Birds-of-a-feather policy | 25 |
| Birds: Lat. | 11 |
| Birdseed binder | 15 |
| Birdseed container | 18 |
| Birdseed holder | 15 |
| Birdseed ingredient | 19 |
| Birdsong | 8 |
| Birdsong makeup | 15 |
| Birdsong of basketball | 22 |
| Birdsong of N.B.A. fame | 23 |
| Birdsong of the '80s Nets | 29 |
| Birdsong of the N.B.A. | 22 |
| Birdwatcher's spots | 23 |
| Birdwatchers' org. | 22 |
| Birdwatching, for example | 25 |
| Birdy | 5 |
| Birdy babble | 12 |
| Birdy? | 6 |
| Bireme adjunct | 14 |
| Bireme blade | 12 |
| Bireme blades | 13 |
| Bireme equipment | 16 |
| Bireme features | 15 |
| Bireme gear | 11 |
| Bireme hand | 11 |
| Bireme implement | 16 |
| Bireme implements | 17 |