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Movement and resource use by a group of Alouatta pigra in a forest fragment in Balancán, México
Primates, 2006Uncommonly observed behaviors were systematically recorded in a troop (n = 9 individuals) of black howler monkeys (Alouatta pigra) inhabiting a small forest fragment (1.7 ha) in Leona Vicario, Balancán, Tabasco, Mexico. Between February 2002 and January 2003 (n = 499 h), we observed behaviors such as ground travel (85 occasions, total = 269 min/10.8 ...
Gilberto, Pozo-Montuy +1 more
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Primates, 2007
We compared the distributions of Alouatta palliata and A. pigra in southeastern Mexico and Central America with geographic and ecological features to infer current barriers and ecological preferences. Distribution data were obtained from museum specimen localities, study sites, historic records and field surveys and integrated into digital elevation ...
Amrei, Baumgarten, G Bruce, Williamson
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We compared the distributions of Alouatta palliata and A. pigra in southeastern Mexico and Central America with geographic and ecological features to infer current barriers and ecological preferences. Distribution data were obtained from museum specimen localities, study sites, historic records and field surveys and integrated into digital elevation ...
Amrei, Baumgarten, G Bruce, Williamson
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Factors Influencing the Reproductive Success of Female Black Howlers (Alouatta pigra)
International Journal of Primatology, 2016Measuring reproductive success is necessary to determine an organism's fitness, and thus, to address evolutionary processes. In this study we determined the effects of social, ecological, and individual attributes on the reproductive success of black howlers (Alouatta pigra) measured through infant survival and interbirth intervals (IBIs). From 2006 to
Pedro Américo D. Dias +3 more
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Population Size and Characteristics of Alouatta pigra Before and After a Major Hurricane
International Journal of Primatology, 2007Although some environmental risks and resources are known to affect the evolution of primate social groups, we know little about the effect of major natural disturbances on primate populations. Hurricane Iris hit the Monkey River watershed in southern Belize in October 2001, presenting a unique opportunity to document the effects of a natural disaster ...
Mary S. M. Pavelka +2 more
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Species status of the black howler monkey,Alouatta pigra, of Belize
Primates, 1983Small troop sizes which averaged 5.23 members per troop and the early descent of male testes inAlouatta pigra show a marked difference fromA. palliata. These differences strengthenSmith's (1970) observations of morphological differences betweenA. pigra andA. palliata.
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Maternal Watchfulness in Black Howler Monkeys (Alouatta pigra)
Ethology, 2003AbstractIn many vertebrates, parents protect their young by detecting predators and aggressive conspecifics before they attack. But parental investment in protection is a limited resource, whose allocation to offspring should reflect optimization strategies.
Adrian Treves +2 more
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Spatial and Diurnal Distribution of Loud Calling in Black Howlers (Alouatta pigra)
International Journal of Primatology, 2013Loud calling, i.e., howling, is the single most distinctive behavioral attribute of the social system of howler monkeys (Alouatta spp.), yet no general consensus has been established regarding its function. During a 16-mo study, we investigated the degree to which howling bouts varied in duration and spatial and temporal patterns across different ...
Sarie Van Belle +2 more
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Breeding behaviors in the black howler monkey (Alouatta pigra) of belize
Primates, 1983Adulterous breeding between a female howling monkey (Alouatta pigra) of one troop with a male of an adjacent troop occurred despite territorial defense between the two troops. The specific behaviors are described as well as a synopsis of daily events which occurred between the female and two males from adjacent troops.
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The Systematic Status of the Black Howler Monkey, Alouatta Pigra Lawrence
Journal of Mammalogy, 1970An apparent case of sympatry between two supposed races of Alouatta pallida (Gray) was discovered near Macuspana, Tabasco, Mexico. Howler monkeys in the Tabascan series were easily separated into two distinct groups based on various characteristics of the cranium, dentition, and pelage.
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Detection and prevalence of adenoviruses from free-ranging black howler monkeys (Alouatta pigra)
Virus Genes, 2018Adenoviruses are important pathogens known to infect vertebrate hosts, including a wide range of primates. Despite its importance, data on the diversity of these viruses in non-human primates living in their natural habitat remain scarce. In this study, we conducted a surveillance of adenoviral infection in wild black howler monkeys from two protected ...
Laura Elisa Argüello-Sánchez +3 more
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