The ecology and behaviour of closely related species in Gibraltar (with special reference to swifts and warblers)
<p>Bird communities at Gibraltar are examined and the ecology and behaviour of two species pairs which dominate numerically, the Blackcap <u>Sylvia atricapilla</u> and the Sardinian Warbler <u>S.melanocephala</u> in Matorral, and the Swift <u>Apus apus</u> a...
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| Format: | Thesis |
| Language: | English |
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1979
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