Search Results - "Negrín, Ariadna Rangel"

Analytical and biological validation of a noninvasive measurement of glucocorticoid metabolites in feces of Geoffroy's spider monkeys (Ateles geoffroyi) by Damm, Juliane, Aureli, Filippo, Rangel‐Negrín, Ariadna, Barradas‐Moctezuma, Miriam, Dias, Pedro A. D.

“…We report on an analytical and biological validation of a commercial cortisol enzyme immunoassay (EIA) to measure glucocorticoids (GC) in feces of Geoffroy's…”
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One step forward, two steps backward: The frailty of howler monkey conservation in Los Tuxtlas, Mexico by Dias, Pedro A. D., Rangel Negrín, Ariadna

“…Most primate taxa are threatened by extinction and their populations are decreasing. The persistence of primates is thus conditional on conservation actions…”
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The influence of anthropogenic noise on the behavior of male mantled howler monkeys by Gómez‐Espinosa, Eréndira, Dias, Pedro A. D., Rangel‐Negrín, Ariadna

“…Anthropogenic noise is increasingly disturbing natural soundscapes and affecting the physiology, behavior, and fitness of wildlife. However, our knowledge…”
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Leadership and the finder's advantage in mantled howler monkeys by Giannetti‐Domínguez, Aylén D., Rangel‐Negrín, Ariadna, Coyohua‐Fuentes, Alejandro, Dias, Pedro A. D.

“…Leading collective movements and arriving first at feeding sites may improve food acquisition. Specifically, the first individual to discover and exploit a…”
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Bot fly parasitism in mantled howler monkeys (Alouatta palliata): General patterns and climate influences by Ortíz‐Zárate, Ricardo J., Rangel‐Negrín, Ariadna, Coyohua‐Fuentes, Alejandro, Ibáñez‐Bernal, Sergio, Cristóbal‐Azkarate, Jurgi, Dias, Pedro A. D.

“…Parasitism is a strong selective pressure, and its study is crucial for predicting the persistence of host species. Mantled howler monkeys are infected by the…”
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Noise intensity modulates the responses of mantled howler monkeys to anthropophony by Dias, Pedro A. D., Gómez Espinosa, Eugenia Eréndira, Chavira Ramírez, David Roberto, Rangel Negrín, Ariadna

“…Anthropogenic noise is a major global pollutant but its effects on primates are poorly understood, limiting our ability to develop mitigation actions that…”
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Vocal and movement responses of mantled howler monkeys (Alouatta palliata) to natural loud calls from neighbors by Ceccarelli, Enrico, Rangel‐Negrín, Ariadna, Coyohua‐Fuentes, Alejandro, Canales‐Espinosa, Domingo, Dias, Pedro Américo D.

“…Loud calls (i.e., long‐range acoustic signals) regulate resource competition among neighboring groups of conspecifics in several nonhuman primate species…”
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Maternal condition and maternal investment during lactation in mantled howler monkeys by Dias, Pedro Américo D., Cano‐Huertes, Beatriz, Coyohua‐Fuentes, Alejandro, Chavira‐Ramírez, David Roberto, Canales‐Espinosa, Domingo, Rangel‐Negrín, Ariadna

“…Objectives Lactation is a costly reproductive state for females, as it may entail decreased body condition, increased morbidity, and increased mortality risk…”
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Demography and life-history parameters of mantled howler monkeys at La Flor de Catemaco: 20 years post-translocation by Dias, Pedro Américo D., Coyohua-Fuentes, Alejandro, Canales-Espinosa, Domingo, Rangel-Negrín, Ariadna

“…Translocations usually aim at maintaining and enhancing wild populations. Thus, the long-term monitoring of translocated individuals is critical for assessing…”
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Maternal care according to offspring sex and maternal physical condition in mantled howler monkeys (Alouatta palliata) by de la Torre, Amalia, Coyohua Fuentes, Alejandro, Rangel Negrín, Ariadna, Velarde Garcéz, Daniel A., Canales Espinosa, Domingo, Cervantes Acosta, Patricia, Dias, Pedro Américo D.

“…The Trivers–Willard hypothesis (TWH) posits that maternal care will be biased in favor of the sex that provides the greatest fitness returns per unit of…”
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Factors influencing infant sex ratio in howler monkeys (Alouatta spp.): A literature review and analysis by Dias, Pedro A. D., Montero Domínguez, Irma L., Rangel Negrín, Ariadna

“…Objective Frequency‐dependent selection is expected to maintain infant sex ratios around parity over evolutionary time. However, over ecological time periods,…”
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Isotopic niche partitioning in two sympatric howler monkey species by Flores‐Escobar, Elizabeth, Sanpera, Carolina, Jover, Lluís, Cortés‐Ortiz, Liliana, Rangel‐Negrín, Ariadna, Canales‐Espinosa, Domingo, Dias, Pedro Américo D.

“…Objectives Ecological similarity between species can lead to interspecific trophic competition. However, when ecologically similar species coexist, they may…”
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Acoustic recognition of predators by mantled howler monkeys (Alouatta palliata): A playback experiment with naïve and experienced subjects by Sánchez‐Vidal, Rafael Omar, Rangel‐Negrín, Ariadna, Briseño‐Jaramillo, Margarita, Sosa‐López, J. Roberto, Dias, Pedro A. D.

“…Objectives When the production of antipredator behaviors is costly, prey is expected to stop displaying such behaviors and lose the ability to recognize…”
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Female reproductive energetics in mantled howler monkeys (Alouatta palliata): A follow‐up study by Rangel Negrín, Ariadna, Coyohua Fuentes, Alejandro, Torre Herrera, Amalia, Cano Huertes, Beatriz, Reynoso Cruz, Eduardo, Ceccarelli, Enrico, Gómez Espinosa, Eugenia E., Chavira Ramírez, David R., Moreno Espinoza, Diana E., Canales‐Espinosa, Domingo, Maya Lastra, Natalia, Cruz Miros, Pamela, Cañadas Santiago, Samuel, Garau, Sara, Dias, Pedro A. D.

“…Objective Reproduction entails several challenges to primate females, among which energetic costs are remarkable at certain stages of the reproductive cycle…”
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Behavioral responses of mantled howler monkeys to neighbor long‐distance vocalizations by Maya Lastra, Natalia, Rangel Negrín, Ariadna, Dias, Pedro A. D.

“…Objectives Long‐distance vocalizations are used by primates in a variety of contexts and may have different functions. The long‐distance vocalizations of…”
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Energetic constraints on the reproduction of female mantled howlers by Rangel‐Negrín, Ariadna, Coyohua‐Fuentes, Alejandro, Chavira‐Ramírez, David R., Canales‐Espinosa, Domingo, Dias, Pedro Américo D.

“…The reproductive process of female primates is energetically constrained. However, while there is extensive evidence about factors that influence the…”
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Sex differences in leadership during group movement in mantled howler monkeys (Alouatta palliata) by Ceccarelli, Enrico, Rangel Negrín, Ariadna, Coyohua‐Fuentes, Alejandro, Canales‐Espinosa, Domingo, Dias, Pedro Américo D.

“…Benefits of group life depend in large part on whether animals remain cohesive, which often requires collective decisions about where and when to move. During…”
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Effects of lactation on the time-budgets and foraging patterns of female black howlers (Alouatta pigra) by Dias, Pedro Américo D., Rangel-Negrín, Ariadna, Canales-Espinosa, Domingo

“…Lactation is an energy demanding phase in the reproductive cycle of female mammals. For this reason, several studies have assessed the effects of lactation on…”
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Correlates of hormonal modulation in mantled howler monkey males, Alouatta palliata by Dias, Pedro Américo D., Coyohua‐Fuentes, Alejandro, Chavira‐Ramírez, David Roberto, Canales‐Espinosa, Domingo, Rangel‐Negrín, Ariadna

“…Objectives The study of hormone modulation may offer important insight into the responses of individuals to environmental challenges. Here we studied…”
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Primates living outside protected habitats are more stressed: the case of black howler monkeys in the Yucatán Peninsula by Rangel-Negrín, Ariadna, Coyohua-Fuentes, Alejandro, Chavira, Roberto, Canales-Espinosa, Domingo, Dias, Pedro Américo D

“…The non-invasive monitoring of glucocorticoid hormones allows for the assessment of the physiological effects of anthropogenic disturbances on wildlife…”
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