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| Ludwig,Gabriela; Aguiar,Lucas M.; Svoboda,Walfrido K.; Hilst,Carmen L. S.; Navarro,Italmar T.; Vitule,Jean R. S.; Passos,Fernando C.. |
| Howler monkeys (Alouatta Lacèpéde, 1799) are folivores-frugivores with flexible diets depending on conditions. Here, we compare the diets of Alouatta caraya (Humboldt, 1812) in two riparian forests (island and mainland), in Porto Rico region, Upper Paraná River, Southern Brazil. Howlers were followed from October 2004 to September 2005 in the riparian forest of a 1,050 ha island and in the continuous riparian forest on the mainland (left bank of the river). The "scan sampling" method with instantaneous samples every 15 minutes was used. Besides vines, diet breadth was similar: 17 species consumed on the island versus 16 species on the mainland. Both consumed leaves followed by fruits more than any other food type (leaves: island - 65%, mainland - 49%,... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Black-and-gold howler; Feeding habits; Gallery forest; Neotropical Primates. |
| Ano: 2008 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0101-81752008000300006 |
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| Aguiar,Lucas M.; Ludwig,Gabriela; Svoboda,Walfrido K.; Hilst,Carmen L. S.; Navarro,Italmar T.; Passos,Fernando C.. |
| The region of Porto Rico, on the Upper Paraná River, is a contact zone between the Atlantic Rainforest and the Cerrado, with elements of the Pantanal wetlands. During surveys from September 2003 to September to 2005, we recorded the presence of non-volant mammals on 14 islands and the adjacent riverbanks. Surveys were by foot and by boat, and we also interviewed local people about the mammals of the region. Sightings of three primate species - Cebus nigritus (Goldfuss, 1809) (left margin of the river), C. libidinosus Spix, 1823 (right margin) and Alouatta caraya (Humboldt, 1812) (both margins and 12 islands) - were plotted on a satellite image. Alouatta clamitans Cabrera, 1940 was not recorded. However, interviews indicated that this species has occurred... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Exotic species; Gallery forest; Geographical barrier; Neotropical primates. |
| Ano: 2007 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0101-81752007000400006 |
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| Aguiar,Lucas M.; Ludwig,Gabriela; Hilst,Carmen L. S.; Malanski,Luciano S.; Passos,Fernando C.. |
| Este trabalho relata um caso de tentativa de infanticídio por um macho residente e dominante de um grupo de Alouatta caraya (Humboldt, 1812) em um infante extra-grupo, em ilha do rio Paraná, Paraná, Brasil. O encontro do par fêmea-infante com o macho residente foi propiciado pela interferência humana. Devido às circunstâncias em que ocorreu o fato e a posição hierárquica do agressor, a hipótese de patologia social pareceu plausível na explicação do comportamento. |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Bugio preto; Comportamento agressivo; Comportamento social; Mata ciliar; Método invasivo. |
| Ano: 2005 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0101-81752005000400056 |
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| Miranda,João M. D.; Aguiar,Lucas M.; Ludwig,Gabriela; Moro-Rios,Rodrigo F.; Passos,Fernando C.. |
| The development of the interactions of an infant primate with its mother and the other members of its social group plays a special role in the ethology and demography of the species, with consequences for their survive and their conservation. The objective of the present study is to investigate the development of an infant of Alouatta guariba (Humboldt, 1812) in the wild, its behavior and interactions during its first seven months of age, in a remnant of Araucaria Pine Forest in Paraná State, Brazil. Using the method of instantaneous scanning with 5 min intervals, a total of 46 hours and 15 minutes of direct observation (555 individual records) showed that the infant behavioral patterns during its first four months were characterized by high dependency,... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Infancy; Ontogenetic development; Parental care; Social behavior. |
| Ano: 2005 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0101-81752005000400054 |
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