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Contagio de Comportamiento en Monos Capuchinos Ecuatorianos de Cara Blanca (Cebus aequatorialis) en Estado Silvestre

Núria Hassina Hannaoui¹, Federica Amici^2,3, Alexandra Hoeneisen⁴

¹Fundació UdG: Innovació i Formació, Parc de Recerca i Innovació, Universitat de Girona, Girona, Spain.

American journal of primatology

|January 26, 2026

Resumen

Se observó contagio de rascado en monos capuchinos silvestres, lo que indica que observar a un congénere rascarse aumentó la probabilidad de rascarse. Sin embargo, este comportamiento social no se vio influenciado por factores individuales o diádicos.

Área de la Ciencia:

Primatología; Etología; Ecología del Comportamiento

Sus antecedentes:

El contagio de comportamiento, como el contagio de bostezos, es común en animales y ayuda a la cohesión social.
El contagio de rascado se estudia menos, especialmente en poblaciones de primates silvestres.

Objetivo del estudio:

Investigar el contagio de rascado y bostezo en un grupo silvestre de capuchinos ecuatorianos de cara blanca.
Determinar si el contagio está influenciado por características individuales o diádicas.

Principales métodos:

Estudio observacional de 16 capuchinos de cara blanca en Ecuador.
Se evaluó la frecuencia de rascado y bostezo después de observar a congéneres (eventos desencadenantes) en comparación con un control.

Principales resultados:

La probabilidad de rascado aumentó significativamente después de observar a un congénere rascarse.
No se registraron eventos de bostezo.
El contagio de rascado no fue modulado por el sexo, la edad, la centralidad social o la fuerza del vínculo social.

Conclusiones:

Este estudio proporciona evidencia de contagio de rascado en capuchinos silvestres.
Se necesita más investigación para explorar los factores sociales que influyen en el contagio de comportamiento en primates.

Palabras clave:

centralidad índice de socialidad compuesto rascado contagioso bostezo contagioso análisis de redes sociales

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