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The common loon or great northern diver (Gavia immer) is a large member of the loon, or diver, family of birds. Breeding adults have a plumage that includes a broad black head and neck with a greenish, purplish, or bluish sheen, blackish or blackish-grey upperparts, and pure white underparts except some black on the undertail coverts and vent.…
Culture & Art
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loon common loons breeding mercury lakes fish adult may northern species eggs found chicks nest one call levels large bird
| Subject | Predicate | Object | Confidence | Src |
|---|---|---|---|---|
| Common loon | is a | provincial bird of Ontario | 0.90 | text |
| Common loon | is a | expert fisher | 0.90 | text |
| Common loon | is a | efficient underwater pursuit predator and adroit diver | 0.90 | text |
| Common loon | is a | key indicator of mercury deposition in aquatic environments due to its position at the top of the food chain | 0.90 | text |
| pondweed | instance of | and occasionally aquatic plant matter | 0.80 | text |
| roots | instance of | and occasionally aquatic plant matter | 0.80 | text |
| moss | instance of | and occasionally aquatic plant matter | 0.80 | text |
| willow shoots | instance of | and occasionally aquatic plant matter | 0.80 | text |
| seeds | instance of | and occasionally aquatic plant matter | 0.80 | text |
| and algae | instance of | and occasionally aquatic plant matter | 0.80 | text |
| herring gulls | instance of | Birds | 0.80 | text |
| northern ravens | instance of | Birds | 0.80 | text |
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