| Clarke, W.E. (1904): Studies in bird-migration. II. The results of observations made at the Kentish Knock Lightship in the autumn of 1903. The Ibis ser.8 v.4 (13): 112-142. | | Language: English | Type: Normal Paper | | Countries where study took place: United Kingdom | | Species: Coloeus, -Coloeus monedula, Corvus, -Corvus frugilegus | | Species Full Names: Coloeus Kaup, 1829Coloeus monedula (Linnaeus, 1758)Corvus Linnaeus, 1758Corvus frugilegus Linnaeus, 1758 | | Themes: Geographical distribution, - Observation in general/Expedition, Behaviour, - Hibernation/Migration pattern | | Full document |
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