Main Ref. | SAUP Database, 2006 |
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Remarks | Inhabits the open ocean. Feeds by scavenging and surface-seizing. Exhibits pattering and dipping behavior (Ref. 356). Breeds on oceanic islands (Ref. 91362). Nesting areas are characterized with supporting bunch grass (Lepturus sp.), large clumps of weeds (Boerhaavia sp.) or Sesuvium, and loose rocks (Ref. 96995). |
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. | |
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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. | Karpouzi, V.S., 2005 |
Feeding habit | variable |
Feeding habit Ref. | Karpouzi, V.S., 2005 |
Estimation method | original sample | unfished population | Remark | ||
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Troph | s.e. | Troph | s.e. | ||
From diet composition | |||||
From individual food items | 4.15 | 0.55 | Trophic level estimated from a number of food items using a randomized resampling routine. | ||
Ref. |