Random triples
| Subject | Object |
|---|---|
| gptkb:cowbirds | common behavior |
| gptkb:Brown-headed_cowbird | common in many bird species. |
| gptkb:Bobolink | occasionally parasitized by cowbirds |
| gptkb:black-headed_grosbeak | occasionally by cowbirds |
| gptkb:Kentucky_Warbler | gptkb:Brown-headed_Cowbird |