作者: B. P. HALL
DOI: 10.1111/J.1474-919X.1960.TB08418.X
关键词:
摘要: SUMMARY 1 The geographical features, in particular the western escarpment, and climate vegetation of Angola combine to divide area into three avifaunal zones. 2 An unusual relationship exists between some related forms different zones. This is illustrated by two groups examples which characters are summarised, their distribution shown on maps, an attempt made interpret evolutionary terms picture presented. 3 Endemic or near-endemic Escarpment Zone listed with notes affinities other species. 4 The botanical history discussed relation conclusions reached evolution birds. 5 The has been considerable importance species Africa, south Equator.