Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
Results
Showing 1 to 20 of 25 for “"Alouatta"”.
-
The ontogeny of feeding behavior of Nicaraguan mantled howler monkeys (Alouatta palliata)
… proficiency in juvenile mantled howler monkeys (Alouatta palliata) inhabiting La Isla de Ometepe, Nicaragua (11°40' N, 85°50' W). I predicted that juveniles are less efficient foragers than adults, that juvenile and adult diets differ, that juveniles rely on their mothers’ milk during periods of …
-
Multi-locus phylogenetic inference of the howler monkey (Alouatta) radiation in South America.
… <p>Howler monkeys (<em>Alouatta</em>) are the most widely distributed New World primates, ranging from southern Mexico to northern Argentina. They occur in tropical rain forests, flooded and gallery forests, and deciduous and semi-deciduous environments. Despite their …
-
The Feeding Ecology of Yucatán Black Howler Monkeys (Alouatta pigra) in Mangrove Forest, Tabasco, Mexico
… of a population of Yucatán black howler monkeys: Alouatta pigra) isolated in mangrove forest on the Pantanos de Centla Biosphere Reserve in Tabasco, Mexico. I focused my research on the relationship between the behavioral ecology of the monkeys and the diversity, distribution, and nutritional …
-
Sexual Selection in Mantled Howling Monkeys (Alouatta palliata), With an Emphasis on the Role of Female Mate Choice
… mate choice in mantled howling monkeys (<italic>Alouatta palliata</italic>), a species in which males have previously been assumed to control mating. </p><p>From March 2006 through February 2007, I used continuous focal-animal sampling to record the behavior of adult female mantled howlers at …
-
Black howler monkey (Alouatta pigra) nutrition: Integrating the study of behavior, feeding ecology, and the gut microbial community.
… = 16 individuals) of wild, black howler monkeys (Alouatta pigra) in Palenque National Park, Chiapas. The first chapter explores patterns in black howler monkey nutritional intake across time to determine whether howlers employ a foraging strategy that regulates energy and/or nutrient intake and …
-
A comparison of seedling diversity and abundance in the range of howler monkeys (Alouatta palliata) in Bocas del Toro, Panama
… the potential effect of howler monkey (<em>Alouatta palliata</em>) defecations on the diversity and abundance of seedlings on the forest floor of a tropical lowland forest in Bocas del Toro, Panama. I conducted follows on a howler monkey group for 18 days and found six trees the monkeys used …
-
The effects of habitat disturbance, host traits, and host physiology on patterns of gastrointestinal parasite infection in black howler monkeys (Alouatta pigra)
… the health of endangered black howler monkeys (Alouatta pigra), using a multifactorial model that integrated information on parasitic infection patterns, stress hormones, host characteristics, and ecological conditions. Specifically, I explored 1) whether rates of gastrointestinal parasite …
-
Primate nutritional ecology: the role of food selection, energy intake, and nutrient balancing in Mexican black howler monkey (Alouatta pigra) foraging strategies
… ecology of Mexican black howler monkeys (Alouatta pigra), an endangered nonhuman primate species characterized by a high intraspecific variability in time spent feeding on leaves, fruits, flowers, and other items (such as bark and stems) across seasons and study sites. Howler monkeys are …
-
Ecology of the Belizean black howler monkey (Alouatta pigra): a comparison between two populations living in a riparian forest and on coastal limestone hills
… the ecology of the Belizean black howler monkey (Alouatta pigra) in two different habitats. Monkey River is a riparian secondary forest whereas Runaway Creek Nature Reserve (RCNR) is a primary and mature forest situated in a limestone karst hills landscape. This type of ecosystem, neither the …
-
Comportamento alimentar, padrão de atividades e uso do espaço por Alouatta fusca (Primates, Platyrrhini) em um fragmento degradado de Floresta Atlântica no Estado do Rio de Janeiro
… male, 1 undermale and 2 adults females ) of Alouatta fusca was followed for five days each month, in a 80 ha fragment of secondary forest located in the County of Comendador Gasparian, in the State of Rio de Janeiro. A phenological study of 320 trees in the area was performed concomitantly. …
-
Composição, distribuição, densidade e riqueza de primatas em fragmentos florestais no município de Viçosa-MG
… espécies de primatas: Callicebus nigrifrons, Alouatta guariba clamitans, Callithrix penicillata e C. jacchus e uma forma híbrida, além do registro de grupos mistos, formados a partir dos indivíduos de C. penicillata e C. jacchus e formas híbridas de Callithrix sp. Registramos a extinção local …
-
The Relationship Between Salivary Cortisol Levels and Stressful Behaviors upon the Introduction of a New Exhibit Mate in Captive Black and Gold Howler Monkeys (<i>Alouatta caraya</i>) at the Hattiesburg Zoo
<p>Salivary cortisol levels were taken on a male and a female howler monkey and compared with behavioral observations during their introduction to one another into an exhibit at the Hattiesburg Zoo in order to determine the link between behavior and stress. This study sought to answer the following …
-
Ecological and Anthropogenic Influences on a Sentinel Species' Gut Microbiome
… Argentine black and gold howler monkeys (<em>Alouatta caraya</em>) are listed as “least concern” with a population that is decreasing. Despite their propensity to occupy habitats with varying degrees of degradation and disturbance, they are not immune from the stressors that forest …
-
Sistemática filogenética dos primatas do novo mundo e a evolução do aparelho mastigatório (Platyrrhini, Primates)
… (((Pithecia (Chiropotes Cacajao) ((Brachyteles (Alouatta Stironia)) (Lagothrix (Caipora (Ateies Protopithecus)))) (((Aotus Calcebus) (Cebus (Saimiri Carlocebus)) (Calmico (Saguinus (Leontopithecus (Callithrix gr. jachus (Cebuela Callithrix gr. arentata))))). A significant par of these …
-
Estudo comparativo das fezes e coprólitos não humanos da região arqueológica de São Raimundo Nonato, Sudeste do Piauí
… families Cervidae and Tayassuidae: to the genus Alouatta and the species Tamandua tetradactyla, Kerodon rupestris, Galea spixii and Cerdocyon thous. Jaguar and puma faeces (Panthera onca and Felis concolor) could be distinguished from wild cat faeces. Throgh the criteria used to the …
-
Navigating in a Rainforest: Movement Patterns in a Neotropical Primate. The Black Howler Monkey
… Neotropical primate, the black howler monkey (Alouatta pigra). Specifically, I explored: (1) how black howler monkeys structure the space wherein they live (i.e., cognitive maps); (2) the influence of landscape features in their movement patterns; (3) their ability to navigate flexibly under …
-
Using primates to establish priority conservation sites in Mexico.
… present in the region (Ateles geoffroyi and Alouatta palliata). The main aim of this project was to identify areas most suited to biodiversity protection and conservation based on primate distribution. This was achieved through the following steps: first, primate distribution and group sizes …
-
Patterns of Affiliation and Co -Operation in Howler Monkeys: An Alternative Model to Explain Social Organization in Non -Human Primates
… groups of black and gold howler monkeys ( Alouatta caraya) in Northern Argentina from April 2003 to December 2004. The study took place on Isla Brasilera, 290 ha, 27° 20'S and 58° 40'W in northern Argentina. I tested a series of hypotheses concerning how factors such as social …
-
Phylogenetische Untersuchungen an Schädeln der Neuweltaffen (Platyrrhini)
… ungewöhnliches Ergebnis, Hinweise darauf, dass Alouatta und Brachyteles möglicherweise Schwestergruppen sind. Verwandtschaftsverhältnisse auf höheren Ebenen konnten nicht aufgedeckt werden. Dies zeigt wahrscheinlich die Grenzen phylogenetischer Analysen mit morphometrischen Daten auf. Die …
-
Caracterización de la vegetación y la fauna silvestre con fines ecoturísticos, de seis fincas cafetaleras en la comunidad El Bramadero, Condega, Estelí
… carismáticas: Puma, (Puma concolor), Mono Congo (Alouatta palliata), Tucán Pico iris (Ramphastos sulfuratus), Pavón (Crax rubra), Rana de ojos rojos (Agalychnis callidryas), Carpintero (Campephilus guatemalensis) y Venado Cola Blanca (Odocoileus virginianus). Las fincas La Providencia, La estrella …
Page 1 of 2