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Myology and Serology of the Avian Family Fringillidae

Myology and Serology of the Avian Family Fringillidae – A Taxonomic Study The relationships of many groups of birds within the Order Passeriformes are poorly understood. Most ornithologists agree that some of the passerine families of current classifications are artificial groups. These artificial groupings are the result of early work which gave chief attention to […]

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