| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| how fast was the mallard | 0.92 | 1 | 7642 | 89 |
| how fast did the mallard train go | 0.16 | 0.7 | 2023 | 99 |
| how fast can mallards fly | 0.21 | 1 | 838 | 54 |
| how fast is a mallard duck | 1.57 | 0.2 | 2500 | 66 |
| mallard world speed record | 0.41 | 0.9 | 4900 | 18 |
| mallard train top speed | 0.05 | 0.1 | 9907 | 99 |
| mallard speed record 1938 | 1.74 | 1 | 362 | 94 |
| mallard duck top speed | 0.35 | 1 | 9567 | 89 |
| top speed of mallard locomotive | 1.53 | 0.5 | 5110 | 75 |
| how long is a mallard | 1.82 | 1 | 7666 | 70 |
| mallard train speed record | 0.07 | 0.1 | 6660 | 65 |
| mallard locomotive speed record | 1.64 | 0.1 | 3221 | 46 |
| how fast can a mallard duck fly | 1.31 | 0.2 | 4827 | 32 |
| where did mallard break the speed record | 0.35 | 0.6 | 455 | 90 |
| mallard duck flying speed | 1.16 | 1 | 6981 | 95 |
| the mallard train facts | 1.42 | 0.5 | 7192 | 74 |
| how old is mallard | 0.95 | 0.3 | 6842 | 33 |
| mallard duck flight speed | 1.66 | 0.2 | 9079 | 96 |
| fastest steam locomotive before mallard | 0.03 | 0.9 | 460 | 1 |
| mallard steam train facts | 1.64 | 0.5 | 8393 | 30 |
