Resource value differentially affects fighting success between reproductive and non-reproductive seasons

Chelipeds are the real weapon: cheliped size is a more effective determinant than body size in male–male competition for mates in a hermit crab

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Perceived predation risk and mate defense jointly alter the outcome of territorial fights

(2010) Tsunenori Koga et al.   BEHAVIORAL ECOLOGY AND SOCIOBIOLOGY

Assessment of fighting ability in animal contests

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Past ownership makes crayfish more aggressive

(2009) Elena Tricarico et al.   BEHAVIORAL ECOLOGY AND SOCIOBIOLOGY

Information gathering and decision making about resource value in animal contests

(2008) Gareth Arnott et al.   ANIMAL BEHAVIOUR

What factors contribute to an ownership advantage?

(2007) S.A Fayed et al.   Biology Letters