| Answer | Crossword Clue |
|---|---|
| duckbills | DUCKBILL, a platypus (an aquatic mammal) |
| duckmole | the duckbill (a platypus (an aquatic mammal)) |
| duckmoles | DUCKMOLE, the duckbill (a platypus (an aquatic mammal)) |
| duckbill | a platypus (an aquatic mammal) |
| platypi | PLATYPUS, an aquatic mammal |
| platypuses | PLATYPUS, an aquatic mammal |
