| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| ornithology textbook | 0.82 | 0.1 | 9761 | 44 | 20 |
| ornithology | 1.55 | 1 | 735 | 83 | 11 |
| textbook | 1.28 | 0.2 | 9666 | 42 | 8 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| ornithology textbook | 1.54 | 0.7 | 7815 | 63 |
| ornithology textbook pdf | 1.41 | 0.8 | 9452 | 90 |
| best ornithology textbooks | 0.95 | 0.4 | 4413 | 26 |
