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It is suggested that group living in the succulent karoo is in response to habitat saturation and the benefits of philopatry, whereas living alone in the grasslands may be a response to limiting resources, such as food. Expand
The striped mouse (Rhabdomys pumilio) from the succulent karoo, South Africa: a territorial group-living solitary forager with communal breeding and helpers at the nest.
Group living in the semiarid succulent karoo of South Africa is possibly due to ecological constraints imposed by habitat saturation because of a year-round stable food supply as well as associated benefits of philopatry. Expand
Demography of the striped mouse (Rhabdomys pumilio) in the succulent karoo
The demography of the striped mouse in the arid succulent karoo of South Africa is described, and the comparatively high population density may result in habitat saturation and thus forced philopatry, promoting group living in the succulence karoo, which contrasts with the solitary life-style exhibited by populations in moist grasslands. Expand
When to live alone and when to live in groups : ecologi- cal determinants of sociality in the African striped mouse (Rhabdomys pumilio, Sparrman, 1784)
The medium sized, diurnal muroid rodent, the striped mouse, is discussed, which demonstrates a high level of intraspecific variability of its social system, and it is suggested that the main ecological reasons for these differences in social organization are food abundance, the availability of suitable nesting sites, and the possibility of sun-basking. Expand
Social flexibility and social evolution in mammals: a case study of the African striped mouse (Rhabdomys pumilio)
The striped mouse Rhabdomys pumilio provides a unique opportunity to study both the ultimate and proximate causes of sociality by comparing between solitary and group‐living individuals of the same population, and reveals that relative fitness of alternative reproductive tactics depends on the prevailing environment. Expand
Reproductive competition favours solitary living while ecological constraints impose group-living in African striped mice.
It is concluded that group-living is favoured by constraints imposed through habitat saturation and by its benefits (improved thermoregulation by huddling, group-territoriality and predator avoidance), and that reproductive competition is a major force favouring solitary living in striped mice. Expand
Territorial defense in a group-living solitary forager: who, where, against whom?
  • C. Schradin
  • Biology
  • Behavioral Ecology and Sociobiology
  • 1 March 2004
Several factors that influence territorial aggression in free-ranging striped mice (Rhabdomys pumilio), a group-living solitary forager are described. Expand
Female striped mice (Rhabdomys pumilio) change their home ranges in response to seasonal variation in food availability
It is suggested that female striped mice shift their home ranges seasonally to gain access to protein-rich young plant material, which is important for breeding, and home ranges during the breeding season in spring had a higher percentage of annuals than dry season home ranges measured in spring. Expand
Intraspecific variation in social organization by genetic variation, developmental plasticity, social flexibility or entirely extrinsic factors
  • C. Schradin
  • Medicine, Biology
  • Philosophical Transactions of the Royal Society B…
  • 19 May 2013
It is important to study intraspecific variation in social organization to understand the social systems of species because it reveals the mechanisms by which species can adapt to changing environments, offers a useful tool to study the ultimate and proximate causes of sociality, and is an interesting phenomenon by itself that needs scientific explanation. Expand
Whole-day follows of striped mice (Rhabdomys pumilio), a diurnal murid rodent
Observations of the striped mouse during the breeding season in the succulent karoo, a desert of South Africa made it possible to collect data on activity patterns and social interactions over an entire activity period, and daily range size did not differ between males and females. Expand