Main Ref. | Rice, D.W., 1998 |
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Remarks | Found in the arctic tundra. Scavenge polar bears, ringed seal pups, colonial sea birds and their eggs during the summer, during winter and spring marine mammal carrion is their most important food; they also consume fish, and marine invertebrates (Ref. 1522). |
Marine - Neritic | Marine - Oceanic | Brackishwater | Freshwater | |
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Marine zones / Brackish and freshwater bodies |
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Substrate | |
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Substrate Ref. | |
Special habitats | |
Special habitats Ref. |
Ref. | Rice, D.W., 1998 |
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Associations | |
Associated with | |
Association remarks | |
Parasitism |
Feeding type | mainly animals (troph. 2.8 and up) |
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Feeding type Ref. | Rice, D.W., 1998 |
Feeding habit | hunting macrofauna (predator) |
Feeding habit Ref. | Rice, D.W., 1998 |
Estimation method | original sample | unfished population | Remark | ||
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Troph | s.e. | Troph | s.e. | ||
From diet composition | |||||
From individual food items | |||||
Ref. |