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Fighting in fiddler crabs Uca mjoebergi: what determines duration? (2005)
Journal Article
Morrell, L. J., Backwell, P. R., & Metcalfe, N. B. (2005). Fighting in fiddler crabs Uca mjoebergi: what determines duration?. Animal behaviour, 70(3), (653-662). doi:10.1016/j.anbehav.2004.11.014. ISSN 0003-3472

Contest duration in animals is often interpreted as being a consequence of mutual assessment of the difference in the competitors' resource-holding potential (RHP), allowing the inferior individual to avoid costly interactions it is likely to lose. D... Read More

Why are small males aggressive? (2005)
Journal Article
Morrell, L. J., Lindström, J., & Ruxton, G. D. (2005). Why are small males aggressive?. Proceedings. the Royal Society. Biological sciences /, 272(1569), 1235-1241. doi:10.1098/rspb.2005.3085

Aggression is ubiquitous in the animal kingdom, whenever the interests of individuals conflict. In contests between animals, the larger opponent is often victorious. However, counter intuitively, an individual that has little chance of winning (gener... Read More