| 主要參考文獻 | Barry, S.J., Barry, T.W., 1990 | ||
| 掠食階段 | juv./adults | ||
| 食物一 | others | ||
| 食物二 | birds | ||
| 食物三 | n.a./other birds | ||
| 食物群 | Anatidae | 捕食階段/部份 | juv./adults |
| 食物名稱 | unspecified Pacfic brant | ||
| 普通 | |||
| 國家 | |||
| 附註 | Locality: Anderson River Delta Migratory Bird Sanctuary, near Liverpool Bay, Northwest Territoties, Beaufort Sea. Date: 1973&1974. Sample: regurgitated pellets. | ||