Bullock orioles feeds on the following pest insects: caterpillars, beetles, ants, wasps, and grasshoppers.
The northern oriole feasts on caterpillars as their main animal diet source, beetles, bugs, ants, wasps, spiders and grasshoppers.
| Lunch for Orioles | |
|---|---|
| Ants | Other beetles |
| Japanese beetle | Caterpillars |
| Mexican bean beetle | Grasshoppers |
| Asparagus beetle | Wasps |
| Cucumber beetle | |
