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Abundance, population structure and sex ratio of the Brown Booby Sula leucogaster (Pelecaniformes: Sulidae) at São Pedro and São Paulo Archipelago, Brazil.

Roberto Cavalcanti Barbosa Filho, Carolus Maria Vooren

Abstract


Abundance, population structure and sex ratio of the Brown Booby Sula leucogaster (Pelecaniformes: Sulidae) at São Pedro and São Paulo Archipelago, Brazil.

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