| Williams, M.D., Carey, G.J., Duff, D.G., Xu, W. (1992): Autumn bird migration at Beidaihe, China, 1986-1990. Forktail 7: 3-55. | | Language: English | Type: Normal Paper | | Countries where study took place: China | | Species: Corvus, -Corvus corone, -Corvus frugilegus, Urocissa, -Urocissa erythroryncha | | Species Full Names: Corvus Linnaeus, 1758Corvus corone Linnaeus, 1758Corvus frugilegus Linnaeus, 1758Urocissa Cabanis, 1850Urocissa erythroryncha (Boddaert, 1783) | | Themes: Geographical distribution, - Observation in general/Expedition, Behaviour, - Hibernation/Migration pattern | | Full document |
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