The J Lab
Group Leader: Dr Michael Jennions
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NB: For more on fiddler crabs, check out the website of Dr Pat Backwell. She is the brains behind almost all the publications listed here, and the main supervisor of all J-lab students working on fiddler crabs. Slatyer R, Jennions MD, Backwell PRY. 2012. Polyandry occurs because females initially trade sex for protection. Animal Behaviour Milner RNC. 2012.Everybody needs good neighbours: coalitions formation influences floater fight choice.Ethology Callander S, Backwell PRY, Jennions MD. 2012. Context-dependent male mate choice: the effects of competitor presence and competitor size. Behavioural Ecology (in press) Callander S, Jennions MD, Backwell PRY. 2012. The effect of claw size and wave rate on female choice in a fiddler crab. Journal of Ethology (in press) Booksmythe I, Hayes C, Jennions MD, Backwell PRY. The effects of neighbor familiarity and size on cooperative defense of fiddler crab territories. Behavioural Ecology [PDF of online version] Milner RNC, Jennions MD, Backwell PRY. 2011. Keeping up appearances: male fiddler crabs wave faster in a crowd. Biology Letters [PDF of online version] Bolton J, Callender S, Jennions MD, Backwell PRY. 2011. Even weak males help their neighbours: defence coalitions in a fiddler crab. Ethology 117:1027-1030 [PDF] Callander S, Jennions MD, Backwell PRY. 2011. Female choice over short and long distances: neighbour effects. Behavioral Ecology and Sociobiology 65:2071-2078 [PDF] Milner RNC, Jennions MD, Backwell PRY. 2011. Know thine enemy's neighbour: neighbour size affects floater's choice of whom to fight. Behavioural Ecology 22:947-950 [PDF] Milner RNC, Jennions MD, Backwell PRY. 2011. Non-independent mate choice in a fiddler crab: a case of stimulus enhancement. Behavioral Ecology and Sociobiology 65:1419-1424 [PDF] Booksmythe I, Jennions MD, Backwell PRY. 2011. Male fiddler crabs prefer conspecific females during simultaneous, but not sequential, mate choice. Animal Behaviour 81:775-778 [PDF] Mautz B, Detto T, Wong BBM, Kokko H, Jennions MD, Backwell PRY. 2011. Male fiddler crabs defend multiple burrows to attract additional females. Behavioural Ecology 22: 261-267 [PDF] Booksmythe I, Jennions MD, Backwell PRY. 2010. Interspecific assistance: fiddler crabs help heterospecific neighbours in territory defence. Biology Letters 6: 748-750 [PDF] Milner RNC, Jennions MD, Backwell PRY. 2010. Eavesdropping in crabs: an agency for ladies detection. Biology Letters 6: 755-757 [PDF] Detto T, Jennions MD, Backwell PRY. 2010. When and why do territorial coalitions occur? Experimental evidence in a fiddler crab. American Naturalist 175: E119-125 [PDF] Milner RNC, Booksmythe I, Jennions MD, Backwell PRY. 2010. The battle of the sexes? Territory acquisition and defence in male and female fiddler crabs. Animal Behaviour 79:735-738 [PDF] Milner RNC, Detto T, Jennions MD, Backwell PRY. 2010. Experimental evidence for a seasonal shift in the strength of a female mating preference. Behavioural Ecology 21:311-316 [PDF] Booksmythe I, Jennions MD, Backwell PRY. 2010. Investigating the 'dear enemy' phenomenon in the territory defence of the fiddler crab, Uca mjoebergi . Animal Behaviour 79:419-423 [PDF] Milner RNC, Jennions MD, Backwell PRY. 2010. Safe sex: male-female coalitions and pre-copulatory mate guarding in a fiddler crab. Biology Letters 6: 180-182 [PDF] Booksmythe I, Milner RNC, Jennions MD, Backwell PRY. 2010. How do weaponless male fiddler crabs avoid aggression? Behavioral Ecology and Sociobiology 64:485-491 [PDF] Murai M, Backwell PRY, Jennions MD. 2009. The cost of reliable signalling: experimental evidence for predictable variation among males in a cost-benefit trade off between sexually selected traits. Evolution 63:2363-2371 [PDF] Milner RNC, Detto T, Jennions MD, Backwell PRY. 2010. Hunting and predation in a fiddler crab. Journal of Ethology 28: 171-173 [PDF] Booksmythe I, Detto T, Backwell PRY. 2008. Female fiddler crabs settle for less: cost-benefit tradeoffs in mate choice. Animal Behaviour 76:1775-1781 [PDF] Milner R, Jennions MD, Backwell PRY. 2008. Does the environmental context of a signaling male influence his attractiveness? Animal Behaviour [PDF] Fayed SA, Jennions MD, Backwell PRY. 2008. What factors contribute to an ownership advantage? Biology Letters 4: 143-145 [PDF] Reaney LT, Sims RA, Sims SWM, Jennions MD, Backwell PRY. 2008. Experiments with robots explain synchronized courtship in fiddler crabs. Current Biology 18:R62-R63 [PDF] Backwell PRY, Matsumasa M, Double M, Roberts A, Murai M, Keogh JS, Jennions MD. 2007. What are the consequences of being left clawed in a predominantly right clawed fiddler crab? Proceedings of the Royal Society Series B 274: 2723-2729 [PDF]] Backwell PRY, Jennions MD, Wada K, Murai M, Christy J. 2006. Synchronous waving in two species of fiddler crabs. Acta Ethologica 9:22-25 [PDF] Backwell PRY, Jennions MD. 2004. Coalition among male fiddler crabs. Nature 430: 417 [PDF] Jennions MD, Backwell PRY, Murai M, Christy JH. 2003. How long should prey hide in response to a potential predator? Hiding behaviour in fiddler crabs. Animal Behaviour 66: 251-257 [PDF] Backwell PRY, Christy JH, Telford SR, Jennions MD, Passmore NI. 2000. Dishonest signaling in a fiddler crab. Proceedings of the Royal Society Series B 267: 719-724 [PDF] Backwell PRY, Jennions MD, Passmore NI, Christy JH. 1999. Female choice in the synchronously waving fiddler crab, Uca annulipes. Ethology 105: 415-422 [PDF] Jennions MD, Backwell PRY. 1998. Variation in courtship rate in the fiddler crab Uca annulipes: is it related to male attractiveness? Behavioural Ecology 9: 605-611 [PDF] Koga T, Backwell PRY, Jennions MD, Christy JH. 1998. Elevated predation risk changes mating behaviour and courtship in a fiddler crab Uca beebei. Proceedings of the Royal Society Series B 265: 1385-1390 [PDF] Backwell PRY, Jennions MD. Passmore NI, Christy JH. 1998. Synchronized courtship in fiddler crabs. Nature 391: 31-32 [PDF] Jennions MD & Backwell PRY. 1996. Residency and size affect fight duration and outcome in the fiddler crab, Uca annulipes. Biological Journal of the Linnean Society 57: 293-306 [PDF]
Backwell PRY, Jennions MD, Christy J & Schobe U. 1995. Pillar-building in
the fiddler crab Uca beebei: evidence for a condition-dependent ornament.
Behavioral
Ecology and Sociobiology 36: 185-192
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