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| African pintail (Anas erythrorhynchos); red-billed pintail teal (Anas erythrorhynchos); red-billed pintail (Anas erythrorhynchos) | |||
| redbill (Anas erythrorhynchos); red-billed duck (Paecilonetta erythrorhynche, Anas erythrorhynchos); red-billed pintail teal (Paecilonetta erythrorhynche, Anas erythrorhynchos) | |||