African striped mice (Rhabdomys pumilio) as a neurobehavioral model for male parental care

ElsevierVolume 152, June 2023, 105364Hormones and BehaviorAuthor links open overlay panel, , Highlights•

HL 1: African striped mice are murine rodents that collectively maintain a broad parental repertoire, including maternal, paternal, and alloparental care.

HL2: The social system of African striped mice is flexible, with a range of alternative reproductive tactics shown in the species.

HL3: Developmental experience may alter phenotypes of paternal and male alloparental care in African striped mice.

HL4: Traditional and modern molecular tools can be applied to African striped mice, making them a tractable model for the neural basis of male parenting.

Abstract

Parental care is diversely demonstrated across the animal kingdom, such that active practitioners and repertoires of parental behavior vary dramatically between and within taxa. For mammals, maternal care is ubiquitous while paternal and alloparental care are rare. The African striped mouse, a rodent species in the family Muridae, demonstrates maternal, paternal, and alloparental care. Because socio-environmental factors can considerably influence the development of their social behavior, including that of paternal and alloparental care, African striped mice are considered socially flexible. Here, we highlight African striped mice as a new model for the neurobiological study of male parental care. We first provide essential background information on the species' natural ecological setting and reproductive behavior, as well as the species-relevant interaction between ecology and reproduction. We then introduce the nature of maternal, paternal, and alloparental care in the species. Lastly, we provide a review of existing developmental and neurobiological perspectives and highlight potential avenues for future research.

Keywords

Parental care

Paternal care

Alloparental care

Reproductive behavior

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