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The frequent fission and fusion of subgroups suggests a flexible reaction of Bechstein's bats according to enviromental conditions and high individual associations among reproducing female Bechtein's bats might reflect the importance of cooperation in maternity colonies. Expand
Mean colony relatedness is a poor predictor of colony structure and female philopatry in the communally breeding Bechstein's bat (Myotis bechsteinii)
This work used genetic markers in combination with knowledge about age and colony membership of individually marked bats to construct pedigrees in completely sampled maternity colonies of Bechstein's bats (Myotis bechsteinii), and discusses the potential adaptive value of living in closed societies with low reproductive skew. Expand
Maternal care in house mice
Females seem to adjust their investment according to the body weight of the progeny by delaying or advancing the date of weaning by allowing the production of the largest possible number of offspring that can be raised to a minimal physiological threshold corresponding to aBody weight of approximately 9 g. Expand
Roosting together, foraging apart: information transfer about food is unlikely to explain sociality in female Bechstein's bats (Myotis bechsteinii)
Because females are very loyal to their individual foraging areas and these areas are typically substantial distances from each other, information transfer about feeding sites is unlikely to be the crucial factor promoting coloniality, other benefits of sociality like cooperative breeding may cause communal roosting. Expand
Mitochondrial DNA (mtDNA) reveals that female Bechstein’s bats live in closed societies
The genetic population structure of Bechstein’s bats is in agreement with the hypothesis that females seek familiar and, at least, partially related cooperation partners for raising their young, and strong philopatry might reflect the importance of profound roost or habitat knowledge for successful reproduction in female Bechsteins bats. Expand
Livestock Predation—Insights From Problem Animal Control Registers in Botswana
Abstract Problem Animal Control Registers, where farmers report livestock losses due to predators as a prerequisite for financial compensation, allow quantifying the human–predator conflict. WeExpand
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
Cooperative Care of Young in Mammals
  • B. König
  • Biology, Medicine
  • Naturwissenschaften
  • 1 March 1997
The types of non-offspring care that are known from mammals are reviewed and the actual and potential fitness benefits and costs for the donors and recipients of this cooperative behaviour are discussed. Expand
Components of lifetime reproductive success in communally and solitarily nursing house mice: a laboratory study
Analyzed over a lifetime, communal care among familiar and closely related female house mice seems to be an adaptation to maximize the survival of offspring until weaning. Expand