| | This journal provides immediate access to some articles. Research Articles Beaked whales echolocate on prey. Mark Johnson, Peter T Madsen, Walter M X Zimmer, Natacha Aguilar de Soto, and Peter L Tyack Proc Biol Sci. 2004 December 7; 271(Suppl 6): S383–S386. PMCID: PMC1810096 Cache protection strategies by western scrub-jays (Aphelocoma californica): hiding food in the shade. Joanna M Dally, Nathan J Emery, and Nicola S Clayton Proc Biol Sci. 2004 December 7; 271(Suppl 6): S387–S390. PMCID: PMC1810099 Evolutionary distinctiveness of the extinct Yunnan box turtle (Cuora yunnanensis) revealed by DNA from an old museum specimen. James F Parham, Bryan L Stuart, Roger Bour, and Uwe Fritz Proc Biol Sci. 2004 December 7; 271(Suppl 6): S391–S394. PMCID: PMC1810102 Host resistance and the evolution of kin recognition in polyembryonic wasps. David Giron and Michael R Strand Proc Biol Sci. 2004 December 7; 271(Suppl 6): S395–S398. PMCID: PMC1810105 Sex-biased predation by polecats influences the mating system of frogs. Thierry Lodé, Marie-Jeanne Holveck, David Lesbarrères, and Alain Pagano Proc Biol Sci. 2004 December 7; 271(Suppl 6): S399–S401. PMCID: PMC1810108 Extreme repeated mating as a counter-adaptation to sexual conflict? G Laird, D T Gwynne, and M C B Andrade Proc Biol Sci. 2004 December 7; 271(Suppl 6): S402–S404. PMCID: PMC1810111 Global patterns of introduction effort and establishment success in birds. Phillip Cassey, Tim M Blackburn, Daniel Sol, Richard P Duncan, and Julie L Lockwood Proc Biol Sci. 2004 December 7; 271(Suppl 6): S405–S408. PMCID: PMC1810115 Sex-linked inheritance of hearing and song in the Belgian Waterslager canary. Timothy F Wright, Elizabeth F Brittan-Powell, Robert J Dooling, and Paul C Mundinger Proc Biol Sci. 2004 December 7; 271(Suppl 6): S409–S412. PMCID: PMC1810118 Parasite-mediated reduction in fecundity of mountain hares. Scott Newey and Simon Thirgood Proc Biol Sci. 2004 December 7; 271(Suppl 6): S413–S415. PMCID: PMC1810113 Wide faces or large canines? The attractive versus the aggressive primate. Eleanor M Weston, Adrian E Friday, Rufus A Johnstone, and Friedemann Schrenk Proc Biol Sci. 2004 December 7; 271(Suppl 6): S416–S419. PMCID: PMC1810116 Advantages of having a lateralized brain. Lesley J Rogers, Paolo Zucca, and Giorgio Vallortigara Proc Biol Sci. 2004 December 7; 271(Suppl 6): S420–S422. PMCID: PMC1810119 Long-term effects of flipper bands on penguins. M Gauthier-Clerc, J P Gendner, C A Ribic, W R Fraser, E J Woehler, S Descamps, C Gilly, C Le Bohec, and Y Le Maho Proc Biol Sci. 2004 December 7; 271(Suppl 6): S423–S426. PMCID: PMC1810082 Uncoupling the links between male mating tactics and female attractiveness. Alfredo F Ojanguren and Anne E Magurran Proc Biol Sci. 2004 December 7; 271(Suppl 6): S427–S429. PMCID: PMC1810086 Moa were many. Neil J Gemmell, Michael K Schwartz, and Bruce C Robertson Proc Biol Sci. 2004 December 7; 271(Suppl 6): S430–S432. PMCID: PMC1810089 Evidence that insect herbivores are deterred by ant pheromones. Joachim Offenberg, Mogens Gissel Nielsen, Donald J MacIntosh, Sopon Havanon, and Sanit Aksornkoae Proc Biol Sci. 2004 December 7; 271(Suppl 6): S433–S435. PMCID: PMC1810093 Biogenic magnetite in the nematode caenorhabditis elegans. Charles G Cranfield, Adam Dawe, Vassil Karloukovski, Rafal E Dunin-Borkowski, David de Pomerai, and Jon Dobson Proc Biol Sci. 2004 December 7; 271(Suppl 6): S436–S439. PMCID: PMC1810097 Duet singing and repertoire use in threat signalling of individuals and pairs. L Marshall-Bal and P J B Slater Proc Biol Sci. 2004 December 7; 271(Suppl 6): S440–S443. PMCID: PMC1810100 Directional sexual selection on chroma and within-pattern colour contrast in Labeotropheus fuelleborni. Michael J Pauers, Jeffrey S McKinnon, and Timothy J Ehlinger Proc Biol Sci. 2004 December 7; 271(Suppl 6): S444–S447. PMCID: PMC1810103 Face processing in humans is compatible with a simple shape-based model of vision. Maximilian Riesenhuber, Izzat Jarudi, Sharon Gilad, and Pawan Sinha Proc Biol Sci. 2004 December 7; 271(Suppl 6): S448–S450. PMCID: PMC1810084 A survey of publication bias within evolutionary ecology. Phillip Cassey, John G Ewen, Tim M Blackburn, and Anders P Møller Proc Biol Sci. 2004 December 7; 271(Suppl 6): S451–S454. PMCID: PMC1810087 Population variation in lateralized eye use in the poeciliid Brachyraphis episcopi. C Brown, C Gardner, and V A Braithwaite Proc Biol Sci. 2004 December 7; 271(Suppl 6): S455–S457. PMCID: PMC1810090 Diclofenac poisoning is widespread in declining vulture populations across the Indian subcontinent. Susanne Shultz, Hem Sagar Baral, Sheonaidh Charman, Andrew A Cunningham, Devojit Das, G R Ghalsasi, Mallikarjun S Goudar, Rhys E Green, Ainsley Jones, Prashant Nighot, Deborah J Pain, and Vibhu Prakash Proc Biol Sci. 2004 December 7; 271(Suppl 6): S458–S460. PMCID: PMC1810094 Lifetime reproduction of a forest-dwelling owl increases with age and area of forests. Toni Laaksonen, Harri Hakkarainen, and Erkki Korpimäki Proc Biol Sci. 2004 December 7; 271(Suppl 6): S461–S464. PMCID: PMC1810098 How brachiopods get covered with nanometric silicon chips. Carsten Lüter Proc Biol Sci. 2004 December 7; 271(Suppl 6): S465–S467. PMCID: PMC1810101 Contagious yawning in chimpanzees. James R Anderson, Masako Myowa-Yamakoshi, and Tetsuro Matsuzawa Proc Biol Sci. 2004 December 7; 271(Suppl 6): S468–S470. PMCID: PMC1810104 The effects of a severe drought on mouflon lamb survival. M Garel, A Loison, J M Gaillard, J M Cugnasse, and D Maillard Proc Biol Sci. 2004 December 7; 271(Suppl 6): S471–S473. PMCID: PMC1810106 Subjective life expectancy predicts offspring sex in a contemporary British population. Sarah E Johns Proc Biol Sci. 2004 December 7; 271(Suppl 6): S474–S476. PMCID: PMC1810109 Identifying the role that animals play in their social networks. David Lusseau and M E J Newman Proc Biol Sci. 2004 December 7; 271(Suppl 6): S477–S481. PMCID: PMC1810112 Evidence for 'cross-talk' between A and B chromosomes of rye. Teresa Ribeiro, Bruno Pires, Margarida Delgado, Wanda Viegas, Neil Jones, and Leonor Morais-Cecílio Proc Biol Sci. 2004 December 7; 271(Suppl 6): S482–S484. PMCID: PMC1810107 Nocturnal colour vision in geckos. Lina S V Roth and Almut Kelber Proc Biol Sci. 2004 December 7; 271(Suppl 6): S485–S487. PMCID: PMC1810110 The social implications of winner and loser effects. Lee Alan Dugatkin and Matthew Druen Proc Biol Sci. 2004 December 7; 271(Suppl 6): S488–S489. PMCID: PMC1810114 Evidence for the impact of global warming on the long-term population dynamics of common birds. Romain Julliard, Frédéric Jiguet, and Denis Couvet Proc Biol Sci. 2004 December 7; 271(Suppl 6): S490–S492. PMCID: PMC1810117 'Junk' DNA and long-term phenotypic evolution in Silene section Elisanthe (Caryophyllaceae). Thomas R Meagher and Denise E Costich Proc Biol Sci. 2004 December 7; 271(Suppl 6): S493–S497. PMCID: PMC1810120 Androgens, interspecific competition and species replacement in hybridizing warblers. Noah T Owen-Ashley and Luke K Butler Proc Biol Sci. 2004 December 7; 271(Suppl 6): S498–S500. PMCID: PMC1810083 Generation cycles in Indonesian lady beetle populations may occur as a result of cannibalism. Koji Nakamura, Nusyirwan Hasant, Idrus Abbas, H Charles J Godfray, and Michael B Bonsall Proc Biol Sci. 2004 December 7; 271(Suppl 6): S501–S504. PMCID: PMC1810085 Strategic growth decisions in helper cichlids. Dik Heg, Nicole Bender, and Ian Hamilton Proc Biol Sci. 2004 December 7; 271(Suppl 6): S505–S508. PMCID: PMC1810088 Queen and worker policing in monogynous and monandrous colonies of a primitively eusocial wasp. T Saigo and K Tsuchida Proc Biol Sci. 2004 December 7; 271(Suppl 6): S509–S512. PMCID: PMC1810092 Distress calls may honestly signal bird quality to predators. Paola Laiolo, José L Tella, Martina Carrete, David Serrano, and Guillermo López Proc Biol Sci. 2004 December 7; 271(Suppl 6): S513–S515. PMCID: PMC1810095 Social networks in the guppy (Poecilia reticulata). Darren P Croft, Jens Krause, and Richard James Proc Biol Sci. 2004 December 7; 271(Suppl 6): S516–S519. PMCID: PMC1810091 |