| # | Concept | Culture | Statement | Freq. |
|---|---|---|---|---|
| 1 | bird feeder | birdwatching | Bird feeders are used in birdwatching culture to attract and observe wild birds for study and conservation. | 6 |
| 2 | cardinal | birdwatching | Cardinals are popular in North American birdwatching culture for their red plumage and distinctive song. | 3 |
| 3 | nesting behavior | birdwatching | Birdwatchers study bird nests to understand bird breeding and habitats. | 2 |