Výsledky vyhledávání - "SHEILA M. SIMÃO"

Akademický článek

Occurrence, residency patterns and habitat use of the bottlenose dolphin, Tursiops truncatus truncatus, on two Marine Protected Areas in Southeastern Brazil

Autor: RODRIGO H. TARDIN, ISRAEL S. MACIEL, GUILHERME MARICATO, SHEILA M. SIMÃO, TATIANA F. MARIA, MARIA ALICE S. ALVES

Publikováno v: Anais da Academia Brasileira de Ciências, Vol 92, Iss 2 (2020)

Abstract The common bottlenose dolphin, Tursiops truncatus, is widely distributed. However, information about its ecology and behavior in Brazilian waters is scarce especially about the ‘offshore’ ecotype, an Evolutionarily Significant Unit in th

Externí odkaz: https://doaj.org/article/2de8e24e7cd94619b297cc9b48da683e

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Akademický článek

Bryde's whale (Cetartiodactyla: Balaenopteridae) occurrence and movements in coastal areas of southeastern Brazil

Autor: Liliane Lodi, Rodrigo H. Tardin, Bia Hetzel, Israel S. Maciel, Luciana D. Figueiredo, Sheila M. Simão

Publikováno v: Zoologia (Curitiba), Vol 32, Iss 2, Pp 171-175 (2015)

Bryde's whales, Balaenoptera edeni Anderson, 1879, were observed on 17 occasions (N = 21 surveys) in the coastal waters off Rio de Janeiro in southeastern Brazil during austral summer through autumn 2014. Five whales were individually identified usin

Externí odkaz: https://doaj.org/article/621a01eb78184cdeb18b3ea0a60f1ebf

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Akademický článek

Behavioral event occurrence differs between behavioral states in Sotalia guianensis (Cetarctiodactyla: Delphinidae) dolphins: a multivariate approach

Autor: Rodrigo H. Tardin, Míriam P. Pinto, Maria Alice S. Alves, Sheila M. Simão

Publikováno v: Zoologia (Curitiba), Vol 31, Iss 1, Pp 1-7 (2014)

Difficulties in quantifying behavioral events can cause loss of information about cetacean behavior, especially behaviors whose functions are still debated. The lack of knowledge is greater for South American species such as Sotalia guianensis (Van B

Externí odkaz: https://doaj.org/article/b64ed8df3446450dac9d438f486878d6

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Akademický článek

Coordinated feeding behavior of the Guiana dolphin, Sotalia guianensis (Cetacea: Delphinidae), in southeastern Brazil: a comparison between populations

Autor: Elaine C. da S. Oliveira, Rodrigo H. Tardin, Fabiana R. Poletto, Sheila M. Simão

Publikováno v: Zoologia (Curitiba), Vol 30, Iss 6, Pp 585-591 (2013)

The coordinated feeding tactics used by delphinids are influenced by differences in the distribution of prey species, season, and opportunities for social learning. In the present study, we compared the coordinated feeding behavior of two populations

Externí odkaz: https://doaj.org/article/b44ee17a565f43388d0298e25a8d5b2c

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Akademický článek

Parental care behavior in the Guiana dolphin, Sotalia guianensis (Cetacea: Delphinidae), in Ilha Grande Bay, southeastern Brazil

Autor: Rodrigo H. O. Tardin, Mariana A. Espécie, Liliane Lodi, Sheila M. Simão

Publikováno v: Zoologia (Curitiba), Vol 30, Iss 1, Pp 15-23 (2013)

Parental care is any form of parental behavior that increases offspring fitness. To the authors' knowledge, this study is the first to analyze the intensity of parental care in the Guiana dolphin, Sotalia guianensis (van Bénéden, 1864). The objecti

Externí odkaz: https://doaj.org/article/1575c28fed9d49b6ba61ed4e0e1bd69f

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Akademický článek

Coordinated feeding tactics of the Guiana dolphin, Sotalia guianensis (Cetacea: Delphinidae), in Ilha Grande Bay, Rio de Janeiro, Brazil

Autor: Rodrigo H. O. Tardin, Mariana A. Especie, Mariana F. Nery, Felipe T. D'Azeredo, Sheila M. Simão

Publikováno v: Zoologia (Curitiba), Vol 28, Iss 3, Pp 291-296 (2011)

Differences in distribution, prey species, season and social learning opportunities influence the feeding tactics used by marine mammals. Here, we analyze the coordinated feeding behavior of the Guiana dolphin, Sotalia guianensis (Van Bénéden, 1864

Externí odkaz: https://doaj.org/article/8c45dfc161734588b9cbc98478798110

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Nonlinear features in whistles produced by the short-beaked common dolphin (Delphinus delphis) off southeastern Brazil

Autor: Luciana Duarte de Figueiredo, Israel Maciel, Flavio M. Viola, Marcelo A. Savi, Sheila M. Simão

Publikováno v: The Journal of the Acoustical Society of America. 153:2436

Animal vocalizations have nonlinear characteristics responsible for features such as subharmonics, frequency jumps, biphonation, and deterministic chaos. This study describes the whistle repertoire of a short-beaked common dolphin (Delphinus delphis)

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::72c8e89fe57cb28514518090d4ddd320
https://doi.org/10.1121/10.0017883

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