| # | Concept | Culture | Statement | Freq. |
|---|---|---|---|---|
| 1 | plumage | bird-watchers | Bird-watchers closely observe and note the colors, patterns, and quality of bird plumage as part of their observations. | 1 |
| 2 | song | bird-watchers | Bird-watchers study and recognize bird songs and calls as distinctive traits for identifying different bird species. | 1 |