| Answer | Crossword Clue |
|---|---|
| GREBE | Cousin of a loon |
| GREBE | Cousin of the loon |
| GREBE | Relative of a loon |
| DIVE | Emulate a loon |
| CRAZY | Like a loon |
| LOCO | Crazy as a loon |
| SWOOP | Dive like a loon |
| NUTSO | Crazy as a loon |
| DIVE | Act like a loon? |
| DIVES | Behaves like a loon |
| GREBE | Aquatic bird similar to a loon |
| AVIAN | Like a booby or a loon |
| MADSCIENTIST | Cackling loon with a white coat |
| SIMILES | "Mad as a hatter" and "crazy as a loon" |
