Presented by the sociedade de ecologia do brasil, the article CETÁCEOS NA REGIÃO DE BARRA DE GUARATIBA, RIO DE JANEIRO: EVIDÊNCIAS DE SAZONALIDADE (CETACEANS IN THE REGION OF Guaratiba, RIO DE JANEIRO : evidence of seasonality) examines the presence of whales in the guaratiba region throughout the year, accounting for the appearance of the Balaenoptera edeni, the Balaenoptera acutorostrata, the Stenella, the Megaptera novaeangliae, the Orcinus orca and the Sotalia guianensis.

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