Dominance signal

A dominance signal is used in a dominance hierarchy or pecking order to indicate an animal's dominance. Dorsal darkening has been suggested to represent a dominance signal in male tree lizards.^[1] Gorillas sometimes use chest-drumming as a dominance signal.^[2] Animals also sometimes use signals to indicate submission.

References

1. ^ MA Robson, DB Miles (2000), Locomotor performance and dominance in male tree lizards, Urosaurus ornatus, Functional Ecology, JSTOR 2656410 
2. ^ M Krifka (2007), Functional similarities between bimanual coordination and topic/comment structure, Working Papers of the SFB, pp. 632, http://citeseerx.ist.psu.edu/viewdoc/download?doi=10.1.1.119.2145&rep=rep1&type=pdf#page=67 

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