Colleen M Schaffner
Biographic Data
| ID | 144697 |
|---|---|
| NAME | Colleen M Schaffner |
| GIVEN NAMES | Colleen M |
| FAMILY NAME | Schaffner |
| SIGNATURE | SCHAFFNER C M |
| AFFILIATIONS | University of Chester |
| ORCID | 0000-0002-8574-1814 |
| VERIFIED | Yes |
| TOTAL WORKS | 23 |
| TOTAL CITATIONS | 129 |
| AUTHOR COUNT | 23 |
| EDITOR COUNT | 0 |
| FIRST PUBLICATION YEAR | 1995 |
| LATEST PUBLICATION YEAR | 2024 |
| H-INDEX | 5 |
Same-sex sexual behavior in brown-headed spider monkeys (Ateles fusciceps fusciceps) during grappling between two subadult males
Sexual behavior in animals fulfills reproductive and social functions, extending beyond the traditional focus on reproduction. Same-sex sexual behavior, defined as genital contact or manipulation between individuals of the same sex, occurs in various primate species. In spider monkeys, grappling, a behavior involving prolonged mutual embraces, face greeting, tail intertwining, and genital manipulation, occurs primarily between males. Here, we rep…
The impact of the establishment of Otoch Ma’ax Yetel Kooh protected area (Yucatán, Mexico) on populations of two neotropical primates
In 2002, Otoch Ma'ax Yetel Kooh (OMYK) was decreed a federal Flora and Fauna Protected Area in the state of Yucatn, Mexico, resulting in bans on hunting, logging and slash-and-burn agriculture within its limits. Our aim was to evaluate the influence of the establishment of the protected area on local primate populations. We compared relative abundances of Geoffroy's Spider Monkeys (Ateles geoffroyi) and Black Howler Monkeys (Alouatta pigra) in ma…
Using multiplex networks to capture the multidimensional nature of social structure
Homosexual Behavior Between Male Spider Monkeys (Ateles geoffroyi)
You are Not Welcome: Social Exchanges between Female Spider Monkeys (Ateles geoffroyi)
Do Fruit Nutrients Affect Subgrouping Patterns in Wild Spider Monkeys (Ateles geoffroyi)
Quality and overlap of individual core areas are related to group tenure in female spider monkeys
In species with a high degree of fission-fusion dynamics group members may differ in the use of the group home range to reduce food competition. Such differential use may result in distinct individual core areas. We studied core area quality and overlap among 21 female spider monkeys belonging to the same group over a period of 4 years. Core areas ranged between 62 and 161 ha with a mean overlap of 56% between any given two females. Only a small …
Individual Variation of Whinnies Reflects Differences in Membership Between Spider Monkey (Ateles geoffroyi) Communities
Male philopatry in spider monkeys revisited
Dispersal patterns are critical for understanding social systems as they influence social interactions and relationships. Spider monkeys ( Ateles spp.) are typically described as being characterized by male philopatry and female dispersal, with these patterns reflected in stronger affiliative and cooperative relationships among males than among females. Recent findings, however, indicate that male–male relationships may not be as uniformly strong…
Age related variation in male–male relationships in wild spider monkeys (Ateles geoffroyi yucatanensis)
Variability in core areas of spider monkeys (Ateles geoffroyi) in a tropical dry forest in Costa Rica
Spider Monkeys (Ateles geoffroyi yucatenensis) Cope with the Negative Consequences of Hurricanes Through Changes in Diet, Activity Budget, and Fission–Fusion Dynamics
Sex differences in the social behavior of wild spider monkeys ( Ateles geoffroyi yucatanensis )
Competition for resources and the need for cooperation are reported to affect patterns of social interactions and thus the quality of social relationships in primates. Relationships may be described as high quality when both individuals behave in a way that benefits their partner. We investigated the distribution of a wide range of social behaviors across sex partner combinations of adult spider monkeys with specific reference to contested resour…
Female-directed Male Aggression in Wild Ateles geoffroyi yucatanensis
Fission-Fusion Dynamics: New Research Frameworks
Renewed interest in fission-fusion dynamics is due to the recognition that such dynamics may create unique challenges for social interaction and distinctive selective pressures acting on underlying communicative and cognitive abilities. New frameworks for integrating current knowledge on fission-fusion dynamics emerge from a fundamental rethinking of the term "fission-fusion" away from its current general use as a label for a particular modal typ…
Intragroup lethal aggression in wild spider monkeys
We report the first evidence of intragroup coalitionary aggression leading to the death of a wild young adult male spider monkey. During a long‐term study of a well‐habituated community at the Otoch Ma'ax Yetel Kooh reserve in Yucatan, Mexico, a young adult male sustained severe injuries repeatedly between January and March 2002. On 1 April 2002 the same male was the victim of an intragroup attack by at least one adult male that resulted in his d…
Raiding parties of male spider monkeys: Insights into human warfare
Raids into neighboring territories may occur for different reasons, including the increase of foraging and mating opportunities directly or indirectly through the killing of neighboring rivals. Lethal raids have been mainly observed in humans and chimpanzees, with raiding males being reported to search purposefully for neighbors. Here we report on the first cases ever witnessed of raiding parties of male spider monkeys, a species expected to show…
Embraces and Grooming in Captive Spider Monkeys
Behavioral and Endocrine Responses in Male Marmosets to the Establishment of Multimale Breeding Groups: Evidence for Non-monopolizing Facultative Polyandry
Urinary steroid and gonadotropin excretion across the reproductive cycle in female Wied's black tufted‐ear marmosets (Callithrix kuhli)
Details of the endocrinology of reproduction in the genus Callithrix are known only for the common marmoset, C. jacchus. This paper presents the patterns of urinary pregnandiol-3-glucuronide (PdG), urinary estrone conjugates (E1C), and gonadotropin excretion throughout the reproductive cycle of Wied's black tufted-ear marmoset (C. kuhli) as determined via steroid conjugate enzyme immunoassays (EIA) and gonadotropin radioimmunoassays (RIA). Postpa…
Urinary steroid and gonadotropin excretion across the reproductive cycle in female Wied's black tufted-ear marmosets (Callithrix kuhli)
Details of the endocrinology of reproduction in the genus Callithrix are known only for the common marmoset, C. jacchus. This paper presents the patterns of urinary pregnandiol-3-glucuronide (PdG), urinary estrone conjugates (E1C), and gonadotropin excretion throughout the reproductive cycle of Wied's black tufted-ear marmoset (C. kuhli) as determined via steroid conjugate enzyme immunoassays (EIA) and gonadotropin radioimmunoassays (RIA). Postpa…
Forthcoming inAmerican Journal of Primatology
Development of heterosexual relationships in wied's black tufted‐ear marmosets ( Callithrix kuhli )
In tamarins and marmosets, long‐term stable sociosexual relationships are formed between heterosexual adults, but these “monogamous” relationships are often formed in groups that contain multiple adults of both sexes. The patterning of interactions during pair formation may therefore be shaped by this demographic profile. We evaluated the development of sociosexual relationships in six captive pairs of Wied's black tufted‐ear marmosets ( Callithr…
Fission-Fusion Dynamics: New Research Frameworks
Renewed interest in fission-fusion dynamics is due to the recognition that such dynamics may create unique challenges for social interaction and distinctive selective pressures acting on underlying communicative and cognitive abilities. New frameworks for integrating current knowledge on fission-fusion dynamics emerge from a fundamental rethinking of the term "fission-fusion" away from its current general use as a label for a particular modal typ…
Spider Monkeys (Ateles geoffroyi yucatenensis) Cope with the Negative Consequences of Hurricanes Through Changes in Diet, Activity Budget, and Fission–Fusion Dynamics
Raiding parties of male spider monkeys: Insights into human warfare
Raids into neighboring territories may occur for different reasons, including the increase of foraging and mating opportunities directly or indirectly through the killing of neighboring rivals. Lethal raids have been mainly observed in humans and chimpanzees, with raiding males being reported to search purposefully for neighbors. Here we report on the first cases ever witnessed of raiding parties of male spider monkeys, a species expected to show…
Female-directed Male Aggression in Wild Ateles geoffroyi yucatanensis
Embraces and Grooming in Captive Spider Monkeys
Behavioral and Endocrine Responses in Male Marmosets to the Establishment of Multimale Breeding Groups: Evidence for Non-monopolizing Facultative Polyandry
Homosexual Behavior Between Male Spider Monkeys (Ateles geoffroyi)
Do Fruit Nutrients Affect Subgrouping Patterns in Wild Spider Monkeys (Ateles geoffroyi)
Individual Variation of Whinnies Reflects Differences in Membership Between Spider Monkey (Ateles geoffroyi) Communities
Male philopatry in spider monkeys revisited
Dispersal patterns are critical for understanding social systems as they influence social interactions and relationships. Spider monkeys ( Ateles spp.) are typically described as being characterized by male philopatry and female dispersal, with these patterns reflected in stronger affiliative and cooperative relationships among males than among females. Recent findings, however, indicate that male–male relationships may not be as uniformly strong…
Development of heterosexual relationships in wied's black tufted‐ear marmosets ( Callithrix kuhli )
In tamarins and marmosets, long‐term stable sociosexual relationships are formed between heterosexual adults, but these “monogamous” relationships are often formed in groups that contain multiple adults of both sexes. The patterning of interactions during pair formation may therefore be shaped by this demographic profile. We evaluated the development of sociosexual relationships in six captive pairs of Wied's black tufted‐ear marmosets ( Callithr…
Urinary steroid and gonadotropin excretion across the reproductive cycle in female Wied's black tufted‐ear marmosets (Callithrix kuhli)
Details of the endocrinology of reproduction in the genus Callithrix are known only for the common marmoset, C. jacchus. This paper presents the patterns of urinary pregnandiol-3-glucuronide (PdG), urinary estrone conjugates (E1C), and gonadotropin excretion throughout the reproductive cycle of Wied's black tufted-ear marmoset (C. kuhli) as determined via steroid conjugate enzyme immunoassays (EIA) and gonadotropin radioimmunoassays (RIA). Postpa…
Urinary steroid and gonadotropin excretion across the reproductive cycle in female Wied's black tufted-ear marmosets (Callithrix kuhli)
Details of the endocrinology of reproduction in the genus Callithrix are known only for the common marmoset, C. jacchus. This paper presents the patterns of urinary pregnandiol-3-glucuronide (PdG), urinary estrone conjugates (E1C), and gonadotropin excretion throughout the reproductive cycle of Wied's black tufted-ear marmoset (C. kuhli) as determined via steroid conjugate enzyme immunoassays (EIA) and gonadotropin radioimmunoassays (RIA). Postpa…
Forthcoming inAmerican Journal of Primatology
Behavioral and Endocrine Responses in Male Marmosets to the Establishment of Multimale Breeding Groups: Evidence for Non-monopolizing Facultative Polyandry
Embraces and Grooming in Captive Spider Monkeys
Intragroup lethal aggression in wild spider monkeys
We report the first evidence of intragroup coalitionary aggression leading to the death of a wild young adult male spider monkey. During a long‐term study of a well‐habituated community at the Otoch Ma'ax Yetel Kooh reserve in Yucatan, Mexico, a young adult male sustained severe injuries repeatedly between January and March 2002. On 1 April 2002 the same male was the victim of an intragroup attack by at least one adult male that resulted in his d…
Raiding parties of male spider monkeys: Insights into human warfare
Raids into neighboring territories may occur for different reasons, including the increase of foraging and mating opportunities directly or indirectly through the killing of neighboring rivals. Lethal raids have been mainly observed in humans and chimpanzees, with raiding males being reported to search purposefully for neighbors. Here we report on the first cases ever witnessed of raiding parties of male spider monkeys, a species expected to show…
Female-directed Male Aggression in Wild Ateles geoffroyi yucatanensis
Fission-Fusion Dynamics: New Research Frameworks
Renewed interest in fission-fusion dynamics is due to the recognition that such dynamics may create unique challenges for social interaction and distinctive selective pressures acting on underlying communicative and cognitive abilities. New frameworks for integrating current knowledge on fission-fusion dynamics emerge from a fundamental rethinking of the term "fission-fusion" away from its current general use as a label for a particular modal typ…
Sex differences in the social behavior of wild spider monkeys ( Ateles geoffroyi yucatanensis )
Competition for resources and the need for cooperation are reported to affect patterns of social interactions and thus the quality of social relationships in primates. Relationships may be described as high quality when both individuals behave in a way that benefits their partner. We investigated the distribution of a wide range of social behaviors across sex partner combinations of adult spider monkeys with specific reference to contested resour…
Age related variation in male–male relationships in wild spider monkeys (Ateles geoffroyi yucatanensis)
Variability in core areas of spider monkeys (Ateles geoffroyi) in a tropical dry forest in Costa Rica
Spider Monkeys (Ateles geoffroyi yucatenensis) Cope with the Negative Consequences of Hurricanes Through Changes in Diet, Activity Budget, and Fission–Fusion Dynamics
Individual Variation of Whinnies Reflects Differences in Membership Between Spider Monkey (Ateles geoffroyi) Communities
Male philopatry in spider monkeys revisited
Dispersal patterns are critical for understanding social systems as they influence social interactions and relationships. Spider monkeys ( Ateles spp.) are typically described as being characterized by male philopatry and female dispersal, with these patterns reflected in stronger affiliative and cooperative relationships among males than among females. Recent findings, however, indicate that male–male relationships may not be as uniformly strong…
Quality and overlap of individual core areas are related to group tenure in female spider monkeys
In species with a high degree of fission-fusion dynamics group members may differ in the use of the group home range to reduce food competition. Such differential use may result in distinct individual core areas. We studied core area quality and overlap among 21 female spider monkeys belonging to the same group over a period of 4 years. Core areas ranged between 62 and 161 ha with a mean overlap of 56% between any given two females. Only a small …
Do Fruit Nutrients Affect Subgrouping Patterns in Wild Spider Monkeys (Ateles geoffroyi)
You are Not Welcome: Social Exchanges between Female Spider Monkeys (Ateles geoffroyi)
Homosexual Behavior Between Male Spider Monkeys (Ateles geoffroyi)
Using multiplex networks to capture the multidimensional nature of social structure
The impact of the establishment of Otoch Ma’ax Yetel Kooh protected area (Yucatán, Mexico) on populations of two neotropical primates
In 2002, Otoch Ma'ax Yetel Kooh (OMYK) was decreed a federal Flora and Fauna Protected Area in the state of Yucatn, Mexico, resulting in bans on hunting, logging and slash-and-burn agriculture within its limits. Our aim was to evaluate the influence of the establishment of the protected area on local primate populations. We compared relative abundances of Geoffroy's Spider Monkeys (Ateles geoffroyi) and Black Howler Monkeys (Alouatta pigra) in ma…
Same-sex sexual behavior in brown-headed spider monkeys (Ateles fusciceps fusciceps) during grappling between two subadult males
Sexual behavior in animals fulfills reproductive and social functions, extending beyond the traditional focus on reproduction. Same-sex sexual behavior, defined as genital contact or manipulation between individuals of the same sex, occurs in various primate species. In spider monkeys, grappling, a behavior involving prolonged mutual embraces, face greeting, tail intertwining, and genital manipulation, occurs primarily between males. Here, we rep…
Biology (21 works) · Primate Behavior and Ecology (21 works) · Animal Behavior and Reproduction (19 works) · Spider (14 works) · Zoology (14 works) · Psychology (13 works) · Ecology (12 works) · Animal ecology (11 works) · Animal Vocal Communication and Behavior (11 works) · Developmental psychology (9 works)