Vol. 38 (2022)
Artículos originales

Sexual behavior of Ctenomys pearsoni (Rodentia: Ctenomyidae) in “Carrasco” population (Montevideo - Uruguay)

Martín Buschiazzo
Sección Etología, Facultad de Ciencias, Universidad de la República. Igua 4225, C.P. 11400, Montevideo, Uruguay. Museo de Historia Natural Dr. Carlos A. Torres de la Llosa – DGES. Eduardo Acevedo 1427, C.P. 11100, Montevideo, Uruguay.
Graciela Izquierdo
Sección Etología, Facultad de Ciencias, Universidad de la República. Igua 4225, C.P. 11400, Montevideo, Uruguay.

Publicado 2022-07-11

Palabras clave

  • cortejo
  • patrón copulatorio
  • selección sexual
  • Tucu tuco

Cómo citar

Buschiazzo, M., & Izquierdo, G. (2022). Sexual behavior of Ctenomys pearsoni (Rodentia: Ctenomyidae) in “Carrasco” population (Montevideo - Uruguay). ACTA ZOOLÓGICA MEXICANA (N.S.), 38(1), 1-19. https://doi.org/10.21829/azm.2022.3812456

Resumen

Ctenomys es un género de roedores subterráneos sudamericanos que se distribuye desde Perú hasta el sur de Argentina y Uruguay. El presente trabajo estudia el comportamiento reproductivo (cortejo y cópula) de Ctenomys pearsoni (población Carrasco, Uruguay). Para realizar la caracterización se utilizó un etograma con 19 unidades conductuales agrupadas en diferentes categorías. Mediante el estudio de 10 parejas cuantificamos la frecuencia de ocurrencia y el tiempo invertido en cada unidad de comportamiento durante el desarrollo de la interacción. A través del análisis de los resultados, se infieren los roles de cada miembro de la pareja y la importancia del rol de cada uno en el desarrollo de la conducta reproductiva. Los resultados obtenidos se comparan con los datos disponibles para otras poblaciones de la especie y otras especies del género. Discutimos la relevancia de clasificar el patrón reproductivo sobre la base de la clasificación de Dewsbury. Finalmente, se discute la importancia de cada sexo en el desarrollo y moldeo del comportamiento reproductivo.

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