... stability in the face of repeated social perturbations using a cooperatively breeding fish, Neolamprologus pulcher . In a laboratory study, we compared both the social and physiological responses of individuals from small versus large groups to the repeated removal and replacement of the most dominant group...

...Corina E. Tarnita; Joel D. Levine; Daniel J. C. Kronauer; Michael H. Dickinson ABSTRACT Cooperation has been studied extensively across the tree of life, from eusociality in insects to social behavior in humans, but it is only recently that a social dimension has been recognized and extensively...

... through a cooperative behavior between ants can emerge. This organization facilitates minimization of head-on encounters between unloaded ants traveling in opposite directions and promotes head-on encounters between outbound ants traveling away from the nest and those returning from the food source loaded...

... the interplay between the value of the flow and cooperative behaviours governs the formation and size of the clusters observed on the bridge. The regression model of the net travel duration on the number of contacts across bridge width was significant ( Fig. 3 ; ANOVA for the whole model; F 3,255 =626.43...