Roberto Chavira
Biographic Data
| ID | 6218051 |
|---|---|
| NAME | Roberto Chavira |
| GIVEN NAMES | Roberto |
| FAMILY NAME | Chavira |
| SIGNATURE | CHAVIRA R |
| AFFILIATIONS | Instituto Nacional de Ciencias Médicas y Nutrición Salvador Zubirán |
| VERIFIED | No |
| TOTAL WORKS | 6 |
| TOTAL CITATIONS | 3 |
| WORKS AS AUTHOR | 6 |
| WORKS AS EDITOR | 0 |
| FIRST PUBLICATION YEAR | 2007 |
| LATEST PUBLICATION YEAR | 2014 |
| H-INDEX | 1 |
Physiological and analytical validations of fecal steroid hormone measures in black howler monkeys
The effect of energetic and psychosocial stressors on glucocorticoids in mantled howler monkeys ( Alouatta palliata )
The proximate causes of variation in glucocorticoids (GCs) of many free-ranging primates are still unclear, and in some cases, the available evidence is contradictory. Such is the case of mantled howler monkeys. In the present study, we tested whether variation in GC levels in this species could be predicted by energetic challenges or by psychosocial stressors. We focused on two groups living in Los Tuxtlas (Veracruz, Mexico) that differed in a n…
Behavioral and physiological responses to subgroup size and number of people in howler monkeys inhabiting a forest fragment used for nature‐based tourism
Animals' responses to potentially threatening factors can provide important information for their conservation. Group size and human presence are potentially threatening factors to primates inhabiting small reserves used for recreation. We tested these hypotheses by evaluating behavioral and physiological responses in two groups of mantled howler monkeys (Alouatta palliata mexicana) at the "Centro Ecológico y Recreativo El Zapotal", a recreationa…
Travel Time Predicts Fecal Glucocorticoid Levels in Free-Ranging Howlers (Alouatta palliata)
Preliminary evidence of accumulation of stress during translocation in mantled howlers
Translocation—an extensively used conservation tool—is a potentially stressful event, as animals are exposed to multiple stressors and cannot predict or control the changes in their environment. Therefore, it may be expected that during a translocation program stress accumulates and social behavior changes. Here, we present data from a translocation of four adult mantled howlers ( Alouatta palliata ), which was conducted in southern Veracruz (Mex…
Glucocorticoid levels in free ranging resident mantled howlers
A growing amount of data shows that a preference for passive‐nonaggressive over active‐aggressive problem solving is associated with higher levels of glucocorticoids (GC). For mantled howlers, the arrival of an adult male in a new group is a potential source of psychological stress for both resident males and females. Resident mantled howler males take an active stand and aggressively repel the entrance of solitary males, while females take a pas…
Glucocorticoid levels in free ranging resident mantled howlers
A growing amount of data shows that a preference for passive‐nonaggressive over active‐aggressive problem solving is associated with higher levels of glucocorticoids (GC). For mantled howlers, the arrival of an adult male in a new group is a potential source of psychological stress for both resident males and females. Resident mantled howler males take an active stand and aggressively repel the entrance of solitary males, while females take a pas…
Preliminary evidence of accumulation of stress during translocation in mantled howlers
Translocation—an extensively used conservation tool—is a potentially stressful event, as animals are exposed to multiple stressors and cannot predict or control the changes in their environment. Therefore, it may be expected that during a translocation program stress accumulates and social behavior changes. Here, we present data from a translocation of four adult mantled howlers ( Alouatta palliata ), which was conducted in southern Veracruz (Mex…
Behavioral and physiological responses to subgroup size and number of people in howler monkeys inhabiting a forest fragment used for nature‐based tourism
Animals' responses to potentially threatening factors can provide important information for their conservation. Group size and human presence are potentially threatening factors to primates inhabiting small reserves used for recreation. We tested these hypotheses by evaluating behavioral and physiological responses in two groups of mantled howler monkeys (Alouatta palliata mexicana) at the "Centro Ecológico y Recreativo El Zapotal", a recreationa…
Travel Time Predicts Fecal Glucocorticoid Levels in Free-Ranging Howlers (Alouatta palliata)
Physiological and analytical validations of fecal steroid hormone measures in black howler monkeys
The effect of energetic and psychosocial stressors on glucocorticoids in mantled howler monkeys ( Alouatta palliata )
The proximate causes of variation in glucocorticoids (GCs) of many free-ranging primates are still unclear, and in some cases, the available evidence is contradictory. Such is the case of mantled howler monkeys. In the present study, we tested whether variation in GC levels in this species could be predicted by energetic challenges or by psychosocial stressors. We focused on two groups living in Los Tuxtlas (Veracruz, Mexico) that differed in a n…
Biology (6 works) · Primate Behavior and Ecology (6 works) · Zoology (5 works) · Animal Behavior and Welfare Studies (4 works) · Ecology (4 works) · Animal Behavior and Reproduction (3 works) · Habitat (3 works) · Hormone (3 works) · Agonistic behaviour (2 works) · Animal ecology (2 works)