| # | Concept | Culture | Statement | Freq. |
|---|---|---|---|---|
| 1 | bird watching | bird-watching communities | Bird watching is a popular hobby with dedicated communities and technology for bird identification. | 9 |
| 2 | keel | Bird-watching communities | Keel is a prominent ridge along the breastbone of a bird, important for attachment of flight muscles within bird-watching communities. | 1 |