Resumen
La coloración es crucial para la adaptación de los mamíferos, influenciando aspectos como la defensa contra depredadores y el comportamiento social. En las últimas décadas, se han documentado anomalías cromáticas en mamíferos neotropicales, como el albinismo, el leucismo y el piebaldismo, que afectan a diversas especies. El piebaldismo es una rara condición autosómica que se caracteriza por marcas despigmentadas asimétricas en el cuerpo. Este estudio presenta el primer registro de piebaldismo en el pecarí de collar (Dicotyles tajacu Linnaeus, 1758) en toda la región neotropical. El registro se realizó con cámaras trampa en la Estação Ecológica (ESEC) da Terra do Meio en 2023. Durante las observaciones, se notó que el pecarí afectado convivía normalmente con otros pecaríes, realizando comportamientos típicos de alimentación y socialización, sugiriendo que el piebaldismo no altera la sociabilidad entre los individuos. Esta observación es consistente con la literatura que indica que las señales químicas son más importantes que las visuales en la sociabilidad de los Tayassuídeos. Este hallazgo resalta la necesidad de estudiar la frecuencia y distribución de anomalías cromáticas para evaluar sus implicaciones en la conservación.
Citas
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