| Butler, A.L. (1909): Contributions to the ornithology of the Sudan. No. IV. On birds observed on the Red Sea Coast in May 1908. The Ibis ser.9 v.3 (11): 389-405. | | Language: English | Type: Normal Paper | | Countries where study took place: Sudan | | Species: Corvus, -Corvus rhipidurus, -Corvus ruficollis | | Species Full Names: Corvus Linnaeus, 1758Corvus rhipidurus Hartert, 1918Corvus ruficollis Lesson, 1831 | | Themes: Geographical distribution, - Observation in general/Expedition | | Full document |
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