| Butler, A.L. (1909): Contributions to the ornithology of the Sudan. No. III. On birds collecgted by Captain E.P. Blencowe in the Bahr-el-Ghazal Province The Ibis ser.9 v.3 (9): 74-90. | | Language: English | Type: Normal Paper | | Countries where study took place: South Sudan | | Species: Corvus, -Corvus albus, Ptilostomus, -Ptilostomus afer | | Species Full Names: Corvus Linnaeus, 1758Corvus albus Statius Müller, 1776Ptilostomus Swainson, 1837Ptilostomus afer (Linnaeus, 1766) | | Themes: Geographical distribution, - Observation in general/Expedition | | Full document |
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