| Ogilvie-Grant, W.R., Degen, E. (1904): On the birds collected during a recent expedition through Somali-Land and Abyssinia to Lake Tsana. The Ibis ser.8 v.4 (14): 250-280. | | Language: English | Type: Normal Paper | | Countries where study took place: Ethiopia | | Species: Corvus, -Corvus albus, -Corvus crassirostris | | Species Full Names: Corvus Linnaeus, 1758Corvus albus Statius Müller, 1776Corvus crassirostris Rüppell, 1836 | | Themes: Geographical distribution, - Observation in general/Expedition | | Full document |
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