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| | Gianuca, Dimas, Gianuca, Andros T. and Vooren, Carolus M. Abundance, breeding and food of the Little Blue Heron Egretta caerulea (Aves, Ardeidae) in the Patos Lagoon estuary, a recently colonized area in southern Brazil. Iheringia, Sér. Zool., Mar 2012, vol.102, no.1, p.19-25. ISSN 0073-4721
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