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By: Collias, Nicholas E. (Nicholas Elias), - Collias, Elsie C.Type: ArticleIn: The Wilson bulletinVolume: 75Series:Issue: 1Date: 1963Page Range: 6--14Publication Info: Columbus, Ohio, Wilson Ornithological Society, 1894-Subjects:
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By: Collias, Nicholas E. (Nicholas Elias), - Collias, Elsie C.Type: ArticleIn: ScopusVolume: 2Series:Issue:Date: 1978Page Range: 75--76Publication Info: Nairobi, East Africa Natural History Society's Ornithological Sub-committee,Subjects:
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By: Collias, Nicholas E. (Nicholas Elias), - Collias, Elsie C.Type: ArticleIn: ScopusVolume: 5Series:Issue:Date: 1981Page Range: 61--65Publication Info: Nairobi, East Africa Natural History Society's Ornithological Sub-committee,Subjects:
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By: Collias, Nicholas E. (Nicholas Elias), - Collias, Elsie C.Type: ArticleIn: The Wilson bulletinVolume: 110Series:Issue: 1Date: 1998Page Range: 28--44Publication Info: Columbus, Ohio, Wilson Ornithological Society, 1894-Subjects: