Composição e dinâmica de grupos de Alouatta guariba clamitans Cabrera (Primates, Atelidae) em Floresta Ombrófila Mista no Estado do Paraná, Brasil

Miranda, João M. D.; Passos, Fernando C.

doi:10.1590/s0101-81752005000100013

Cited by 35 publications

(39 citation statements)

References 12 publications

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“…Overall, folivory seems to be more pronounced in populations at higher latitudes, especially those of species howler monkeys that A. guariba (Miranda & Passos 2005) and A. caraya ), compared with species whose populations are located closer to the equator in the Amazon region, such as A. belzebul (Pina 1999), A. seniculus (Julliot & Sabatier 1993) and A. discolor (Pinto 2002, Pinto & Setz 2004. This may reflect both productivity levels and, especially, the less pronounced seasonality of the equatorial ecosystems (Odalia- Rímoli et al 2008).…”

Section: Discussionmentioning

confidence: 94%

Diet and Activity Patterns of Black Howler Monkeys Alouatta Caraya (Humboldt, 1812, Primates, Atelidae) in Ecotone Cerrado-Pantanal in the Left Bank of Aquidauana River, Mato Grosso Do Sul, Brazil

Rímoli

Nantes²,

Júnior³

2012

Oecol. Austr.

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The diet and activity patterns of a group of black howler monkeys (Alouatta caraya) were monitored on the left bank of the Aquidauana river over 11 months, from September 2008 to July 2009. The group was composed of eight individuals, two adult males, three females and three immature including subadults and infants. Quantitative data were collected using scan sampling method for 5 minutes with an interval of 15 minutes. The general activities budget (n = 6434 records) was 64.7% rest, 18.5% travel, 10.1% feeding, 4.4% for social behavior and 2.3% for miscellaneous behaviors. The level of rest was similar to patterns of genus (64.7%). The diet (n = 606 records) was composed mainly of leaves (72.8%) and flowers (14.8%) and supplemented by fruits (8.2%) and buds (4.2%). The consumption of reproductive parts of plants, especially flowers, was relatively high by the standards of southerly populations of the species. Members of the group rested significantly less than feed during the rainy season. The diet was marked by the consumption of leaves throughout the study. The consumption was higher in the dry at flowers (17.8%) and fruits in the rainy season (12.9%). It also registered a substantial difference in the behavior of adults and immature individuals, where the first rested significantly more, but spent less time in other categories: food, travel and social interactions. Given this, it's likely that the general budget was under the influence of group's composition, where there was a predominance of mature members, a typical pattern in the genus. The results indicate patterns of behavior and diet that are typical to the genus but marginal for the species. The contrasts can be related mainly to the geographic location of the area of the study, the ecotone Cerrado-Pantanal, and concomitant ecological differences. There is a clear need to continue the studies of A. caraya in the Bororo region, not only for a more systematic assessment of their ecological patterns, but also to contribute to the development of conservation strategies. Keywords: black-howler-monkeys; animal biology; behavioral ecology; activity patterns. (n = 6434 registros) foi de 64,7% para o descanso, 18,5% para o deslocamento, 10.1% para alimentação, 4,4% para o comportamento social e 2,3% para comportamentos não mutuamente exclusivos. O nível de descanso foi similar aos padrões do gênero (64,7%). A dieta (n = 606 registros) foi composta, principalmente por folhas (72,8%) e flores (14,8%) e completada por frutos (8,2%) e brotos (4,2%). O consumo de partes reprodutivas de plantas, principalmente flores, foi relativamente alto para os padrões das populações mais meridionais da espécie. Os membros do grupo descansaram significativamente mais e se alimentaram menos na estação chuvosa em relação à seca. A dieta foi marcada pelo consumo de folhas ao longo do estudo. A ingestão de flores foi significativamente maior na estação seca (17,8%) e a de frutos na chuvosa (12,9%). Foi registrada, também, uma diferença considerável no padrão comportamental d...

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Section: Discussionmentioning

confidence: 94%

Diet and Activity Patterns of Black Howler Monkeys Alouatta Caraya (Humboldt, 1812, Primates, Atelidae) in Ecotone Cerrado-Pantanal in the Left Bank of Aquidauana River, Mato Grosso Do Sul, Brazil

Rímoli

Nantes²,

Júnior³

2012

Oecol. Austr.

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“…Bugio-ruivo, Floresta de Araucária, jaguatirica, predação de primata. The specific location where the faecal samples were collected is situated withing the home range of two howler monkey groups, although no howler disappeared from either group during the study (MIRANDA & PASSOS 2005). Considering that the home range of ocelots is much larger (117-312ha) (LUDLOW & SUNQUIST 1987, EMMONS 1988, SUNQUIST et al 1989, CRAWSHAW & QUIGLEY 1989 than the home range of howler monkeys in this study area (17ha -J.M.D.…”

Section: Elidae) Elidae) Elidae) Elidae)mentioning

confidence: 84%

Predation on Alouatta guariba clamitans Cabrera (Primates, Atelidae) by Leopardus pardalis (Linnaeus) (Carnivora, Felidae)

et al. 2005

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There are a few studies about predation on primates. Howler monkeys, being relatively large animals, were believed to be preyed on successfully only by medium to large-sized carnivores and large birds of prey. Our study took place at Chácara Payquerê, which is situated in the municipality of Balsa Nova, State of Paraná, Southern Brazil. Fingers and nails from Alouatta guariba clamitans Cabrera, 1940 were founded in two faecal samples from Leopardus pardalis (Linnaeus, 1758). With our documentation large howler monkey remains in faeces, the possibility of ocelot being a potential predator of all Neotropical primates should be taken into consideration.

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“…The fission of a group might be a natural consequence of its growth and development (SANTINI 1985). The growth of a group might be one of the determining factors in their fragmentation (SANTINI 1985, CARRERA-SÁNCHEZ et al 2003, MIRANDA & PASSOS 2005. The first fission of a group might occur when the number of individuals is well above average (6.25 individuals/group, according to the review for this species by MIRANDA & PASSOS 2005).…”

Section: Discussionmentioning

confidence: 99%

“…The growth of a group might be one of the determining factors in their fragmentation (SANTINI 1985, CARRERA-SÁNCHEZ et al 2003, MIRANDA & PASSOS 2005. The first fission of a group might occur when the number of individuals is well above average (6.25 individuals/group, according to the review for this species by MIRANDA & PASSOS 2005). This fact, associated with the social destabilization caused by the loss of a dominant male, might have caused the rupture of the G. Forninho, splitting it into two groups (G. Vavá and G. Carrano).…”

Section: Discussionmentioning

confidence: 99%

“…Alternatively, the second fragmentation might have been caused by the presence of a majority of juvenile males in the group. Subadult females integrate themselves as adult females into their own groups, or they can simply migrate (RUDRAN 1979, BONVICINO 1989, CALEGARO-MARQUES & BICCA-MARQUES 1996, MIRANDA & PASSOS 2005. The formation of a group with two adult males with age graded could generate instability merely by the presence of two adult males that would competing for copulation and group leadership (MENDES 1989, CALEGARO-MARQUES & BICCA-MARQUES 1997.…”

Section: Discussionmentioning

confidence: 99%

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Three years on demography of a group of Alouatta guariba clamitans Cabrera (Primates, Atelidae): growth and fragmentation

et al. 2006

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This study was carried out in the Chácara Payquerê do Bugre, State of Paraná, Southern Brazil (25º29'52" S and 49º39'24" W) and reports on the demography of a group of Alouatta guariba clamitans Cabrera, 1940 followed monthly during three years (from February, 2002 to March, 2005). The growth and subsequent fission of the group are described and argued, as well as their possible underlying causes, focusing on the population ecology and social behavior of this taxa.

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Composição e dinâmica de grupos de Alouatta guariba clamitans Cabrera (Primates, Atelidae) em Floresta Ombrófila Mista no Estado do Paraná, Brasil

Cited by 35 publications

References 12 publications

Diet and Activity Patterns of Black Howler Monkeys Alouatta Caraya (Humboldt, 1812, Primates, Atelidae) in Ecotone Cerrado-Pantanal in the Left Bank of Aquidauana River, Mato Grosso Do Sul, Brazil

Diet and Activity Patterns of Black Howler Monkeys Alouatta Caraya (Humboldt, 1812, Primates, Atelidae) in Ecotone Cerrado-Pantanal in the Left Bank of Aquidauana River, Mato Grosso Do Sul, Brazil

Predation on Alouatta guariba clamitans Cabrera (Primates, Atelidae) by Leopardus pardalis (Linnaeus) (Carnivora, Felidae)

Three years on demography of a group of Alouatta guariba clamitans Cabrera (Primates, Atelidae): growth and fragmentation

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