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Título: The implications of turning behaviour performed by Amazonian manatees after release into the wild
Autor(es): Kikuchi, Mumi
Vera Maria Ferreira da Silva
Rosas, Fernando C. W.
Souza, Diogo
Miyazaki, Nobuyuki
Assunto: 3D-movements
Diving behaviour
Peixe-boi da Amazônia
ISSN: 0289-0771
Revista: Journal of Ethology
Volume: 1
Resumo: Sirenians have dichromatic colour vision and tactile hairs but have not developed underwater echolocation. Amazonian manatees (Trichechus inunguis) live in turbid water and it has been unclear how they understand their surroundings. In this study, we recorded the 3D movements of two captive-raised Amazonian manatees. The results revealed that the manatees always swam in a circular pattern. Both animals used slower, narrower turning motions as they approached the flooded forests, which is abundant in aquatic vegetation. Therefore, we suggest that these two manatees swam in a circular pattern to detect all directions of their surroundings especially using sensitive facial bristles.
ISSN: 0289-0771
Aparece nas coleções:Coordenação de Biodiversidade (CBIO)

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