Comparing single-species and mixed-species groups in fruit flies: differences in group dynamics but not group formation

Julia Saltz, Anna Girardeau & Brad Foley
Mixed-species groups describe active associations among individuals of two or more species at the same trophic level. Mixed-species groups are important to key ecological and evolutionary processes such as competition and predation; and ignoring the presence of other species risks ignoring a key aspect of the environment in which social behavior is expressed and selected. Despite the defining emphasis of active formation for mixed-species groups, surprisingly little is known about the mechanisms by which mixed-species...
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