Substrate manipulation by &lt;i&gt;Alouatta guariba clamitans&lt;/i&gt; in solving a locomotor problem

Koch, F.E.; Bicca‐Marques, Júlio César

doi:10.1896/1413-4705.12.3.138

Cited by 3 publications

(2 citation statements)

References 14 publications

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“…Adult howlers use bridging behaviors to cross gaps more often than younger individuals who are more likely to leap (Bezanson 2006 ). Younger individuals are also often observed to manage the challenge of these arboreal discontinuities by running across the backs of bridging adults (Bernstein 1964 ;Richard 1970 ), or, more rarely, when mothers manipulate branches to create bridging distances (Koch and Bicca-Marques 2004 ).…”

Section: Bridgementioning

confidence: 99%

Howler Monkey Positional Behavior

Youlatos

Guillot

2014

Howler Monkeys

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This chapter reviews the positional behavior and grasping tail use in Alouatta with the specifi c goal of exploring behavioral diversity among members of this genus. Despite long-term studies, data on positional behavior derive mainly from fi ve species ( Alouatta arctoidea , A. macconnelli , A. seniculus , A. palliata , A. caraya ) and indicate consistent patterns. A diagonal gait, a deliberate quadrupedal walk along single branches, clambering on multiple branches, and vertical climbing are the major locomotor modes, accompanied by varying rates of tailassisted suspensory locomotion. These modes occur more frequently on small and medium branches of mainly horizontal inclination. Regarding feeding postures, above branch sitting is dominant, with below branch tail-limb assisted postures variably representing one third of the postural repertoire. Postural behavior mainly takes place on small branches of horizontal and oblique inclinations in tree peripheries. Data on tail use derive from only three species ( A. macconnelli , A. seniculus , A. palliata ) and consistently indicate that tail-supported behaviors occur more frequently in the context of feeding. Tail-assisted postures appear to increase access to food resources, providing stability and freeing the hands when procuring and processing food items. In addition, the tail is frequently recruited during travel and the context in which it is used depends on both locomotor mode and substrate size. Despite some underlying differences, this positional profi le provides evidence that Alouatta evolved into specifi c adaptive strategies related to social and ecological factors enabling it to exploit multiple habitats throughout central and southern America.Resumen Este capítulo revisa el comportamiento posicional y el uso de la cola en Alouatta , con el objetivo específi co explorar la diversidad conductual en los miembros del género. A pesar de existir estudios de largo plazo, los datos del comportamiento posicional derivan mayormente de 5 especies ( Alouatta arctoidea ,

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Section: Bridgementioning

confidence: 99%

Howler Monkey Positional Behavior

Youlatos

Guillot

2014

Howler Monkeys

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“…Bicca-Marques, 2007). A ausência desta influência pode ter sido ocasionada pela grande variação nas personalidades tanto dos adultos como dos juvenis.…”

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Bugios-ruivos (Alouatta clamitans) distinguem novidade de surpresa?

Padilha¹,

Setz²

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Gostaria de agradecer à minha orientadora, Dra. Eleonore Z. F. Setz, primeiro por aceitar me orientar, com um projeto de pesquisa pouco usual ao seu laboratório, por se cadastrar na pós-graduação em Biologia Animal, e principalmente pelo apoio para o desenvolvimento deste projeto, por me incentivar e auxiliar no meu amadurecimento profissional.Agradeço também ao meu querido co-orientador, Dr. Robert J. Young, que apesar da distância sempre se colocou disponível para me auxiliar, com sugestões e discussões que enriqueceram o estudo e meu crescimento como pesquisadora. Agradeço também por me incentivar e pela oportunidade de intercâmbio na

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Primatology in southern Brazil: a transdisciplinary approach to the conservation of the brown-howler-monkey Alouatta guariba clamitans (Primates, Atelidae)

Jerusalinsky

Teixeira

Lokschin

et al. 2010

Iheringia, Sér. Zool.

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ABSTRACT. Human interventions in natural environments are the main cause of biodiversity loss worldwide. The situation is not different in southern Brazil, home of five primate species. Although some earlier studies exist, studies on the primates of this region began to be consistently carried out in the 1980s and have continued since then. In addition to important initiatives to study and protect the highly endangered Leontopithecus caissara Lorrini & Persson, 1990 and Brachyteles arachnoides E. Geoffroy, 1806, other species, including locally threatened ones, have been the focus of research, management, and protection initiatives. Since 1993, the urban monkeys program (PMU, Programa Macacos Urbanos) has surveyed the distribution and assessed threats to populations of Alouatta guariba clamitans (Cabrera, 1940) in Porto Alegre and vicinity. PMU has developed conservation strategies on four fronts: (1) scientific research on biology and ecology, providing basic knowledge to support all other activities of the group; (2) conservation education, which emphasizes educational presentations and long-term projects in schools near howler populations, based on the flagship species approach; (3) management, analyzing conflicts involving howlers and human communities, focusing on mitigating these problems and on appropriate relocation of injured or at-risk individuals; and finally, (4) Public Policies aimed at reducing and/or preventing the impact of urban expansion, contributing to create protected areas and to strengthen environmental laws. These different approaches have contributed to protect howler monkey populations over the short term, indicating that working collectively and acting on diversified and interrelated fronts are essential to achieve conservation goals. The synergistic results of these approaches and their relationship to the prospects for primatology in southern Brazil are presented in this review. KEYWORDS.Conservation biology, environmental education, brown howler monkey, public policies, urban monkeys program.RESUMO. Primatologia no sul do Brasil: uma abordagem transdisciplinar para a conservação do bugio-ruivo Alouatta guariba clamitans (Primates, Atelidae) na região de Porto Alegre, Brasil. Intervenções humanas nos ambientes naturais são a principal causa da perda de biodiversidade global. Essa situação não é diferente no sul do Brasil, onde vivem cinco espécies nativas de primatas. Embora existam algumas pesquisas anteriores, estudos sobre primatas nessa região começaram a ser desenvolvidos consistentemente no início da década de 1980 e continuaram sendo produzidos desde então. Além de importante iniciativas para pesquisar e conservar as espécies altamente ameaçadas Leontopithecus caissara Lorrini & Persson, 1990 e Brachyteles arachnoides E. Geoffroy, 1806, outras espécies, incluindo algumas localmente ameaçadas, têm sido foco de pesquisas, manejo, e iniciativas de conservação. Desde 1993, o Programa Macacos Urbanos (PMU) tem pesquisado a distribuição e avaliado as ameaças às populações de Alou...

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Substrate manipulation by <i>Alouatta guariba clamitans</i> in solving a locomotor problem

Abstract: No abstract

Cited by 3 publications

References 14 publications

Howler Monkey Positional Behavior

Howler Monkey Positional Behavior

Bugios-ruivos (Alouatta clamitans) distinguem novidade de surpresa?

Primatology in southern Brazil: a transdisciplinary approach to the conservation of the brown-howler-monkey Alouatta guariba clamitans (Primates, Atelidae)

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