| Food I | Food II | Food III | Food name | Country | Predator Stage |
|---|---|---|---|---|---|
| others | mammals | n.a./other mammals | small mammals | Canada | juv./adults |
| zoobenthos | insects | insects | unidentified | (not available) | juv./adults |
| zoobenthos | insects | insects | unidentified | (not available) | recruits/juv. |
| zoobenthos | insects | insects | unidentified | (not available) | juv./adults |
| zooplankton | fish (early stages) | fish eggs/larvae | unidentified | (not available) | adults |
| zooplankton | plank. crust. | n.a./other plank. crustaceans | unidentified | (not available) | adults |