References:
– Briffa, M., & Sneddon, L. U. (2007). Physiological constraints on contest behaviour. Functional Ecology, 21(4), 627-637.
– Dugatkin, L. A. (1992). Cooperation among animals: an evolutionary perspective. Oxford University Press on Demand.
– Krause, J., & Ruxton, G. D. (2002). Living in groups. Oxford University Press.
– Wong, M. Y. L., & Ryan, M. J. (2015). The social behavior of fishes. Academic Press.
