| # | Concept | Culture | Statement | Freq. |
|---|---|---|---|---|
| 1 | field guide | United States | Commonly used by hikers and nature enthusiasts to identify plants and wildlife in the great outdoors. | 1 |
| 2 | field guidebooks | United States | Commonly used by nature enthusiasts for outdoor activities such as birdwatching and hiking. | 1 |
| 3 | spotters guide | United States | Spotters guide commonly used for birdwatching and train spotting. | 1 |