Supplementary material from "Are generalists more innovative than specialists? A comparison of innovative abilities in two wild sympatric mouse lemur species"
Posted on 2018-07-23 - 17:46
The propensity to flexibly innovate behavioural variants might advantage animals when dealing with novel or modified ecological or social challenges. Interspecific innovative abilities can be predicted by the degree of ecological generalism and intraspecific variation is predicted by personality traits. To examine the effects of these factors on innovation, we compared problem-solving abilities in the generalist grey mouse lemurs (Microcebus murinus) and the more specialized Madame Berthe's mouse lemurs (Microcebus berthae) in Western Madagascar. We examined personality traits by testing 54 individuals in open field and novel object tests, and we assessed problem-solving abilities by presenting an artificial feeding-box that could be opened by three different techniques. The first two techniques presented novel problems and the third technique a modified problem to the more complex second novel problem. In both species, motivation, early success and better inhibitory control characterized innovators and predicted superior problem-solving performance. Although both species performed equally well in finding a solution to the novel problems, the specialist species was more efficient in finding a novel solution to a familiar problem. Since the ecological specialist also exhibited more inhibitory control in this task than the generalist, we propose that specialists may dispose of more efficient problem-solving behaviour.
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Henke-von der Malsburg, Johanna; Fichtel, Claudia (2018). Supplementary material from "Are generalists more innovative than specialists? A comparison of innovative abilities in two wild sympatric mouse lemur species". The Royal Society. Collection. https://doi.org/10.6084/m9.figshare.c.4175042.v1