The frontal shield of the moorhen: sex differences and relationship with body condition

References

• Acquarone , C. , Baiardi , R. , Cucco , M. and Malacarne , G. 1998 . Variation of body mass in Moorhens (Gallinula chloropus) wintering in a temperate area . Revue d'Ecologie (Terre Vie) , 53 : 353 – 365 .
   Google Scholar
• Beach , F. A. 1961 . Hormones and behavior , New York : Cooper Square .
   Google Scholar
• Birkhead , M. E. 1981 . The social behaviour of the Dunnock Prunella modularis . Ibis , 123 : 75 – 84 .
   Web of Science ®Google Scholar
• Blem , C. R. 1990 . Avian energy storage . Current Ornithology , 7 : 59 – 113 .
   Google Scholar
• Blount , J. D. , Metcalfe , N. B. , Birkhead , M. E. and Surai , P. F. 2003 . Carotenoid modulation of immune function and sexual attractiveness in Zebra Finches . Science , 300 : 125 – 127 .
   PubMed Web of Science ®Google Scholar
• Blount , J. D. , Surai , P. F. , Nager , R. G. , Houston , D. C. , Møller , A. P. , Trewby , M. L. and Kennedy , M. W. 2001 . Carotenoids and egg quality in the Lesser Black-backed Gull Larus fuscus: a supplemental feeding study of maternal effects . Proceedings of the Royal Society of London (B) , 269 : 29 – 36 .
   Google Scholar
• Brodsky , L. M. 1988 . Ornament size influences mating success in male Rock Ptarmigan . Animal Behaviour , 36 : 662 – 667 .
   Web of Science ®Google Scholar
• Brown , M. E. 1996 . Assessing body condition in birds . Current Ornithology , 13 : 67 – 135 .
   Google Scholar
• Buchholz , R. 1997 . Male Dominance and variation in fleshy head ornamentation in Wild Turkeys . Journal of Avian Biology , 28 : 223 – 230 .
   Web of Science ®Google Scholar
• Campbell , T. W. 1995 . Avian hematology and cytology , Ames, Iowa : Iowa State University Press .
   Google Scholar
• Carrascal , L. M. , Senar , J. C. , Mozetich , I. , Uribe , F. and Domenech , J. 1998 . Interactions among environmental stress, body condition, nutritional status, and dominance in Great Tits . The Auk , 115 : 727 – 738 .
   Google Scholar
• Del Hoyo , J. , Elliott , A. and Sargatal , J. 1996 . Handbook of the birds of the world , Vol. 3 , Barcelona : Lynx Edicions .
   Google Scholar
• Dufva , R. and Allander , K. 1995 . Intraspecific variation in plumage coloration reflects immune response in Great Tit (Parus major) males . Functional Ecology , 9 : 785 – 789 .
   Google Scholar
• Eens , M. , Van Duyse , E. , Berghman , L. and Pinxten , R. 2000 . Shield characteristics are testosterone dependent in both male and female Moorhens . Hormones and Behavior , 37 : 126 – 134 .
   PubMedGoogle Scholar
• Ekman , J. B. and Lilliendahl , K. 1993 . Using priority to food access: fattening strategies in dominance- structured Willow Tit (Parus montanus) flocks . Behavioral Ecology , 4 : 232 – 238 .
   Web of Science ®Google Scholar
• Enquist , M. and Leimar , O. 1983 . Evolution of fighting behaviour: decision rules and assessment of relative strength . Journal of Theoretical Biology , 102 : 287 – 310 .
   PubMedGoogle Scholar
• Faivre , B. , Grégoire , A. , Préault , M. , Cézilly , F. and Sorci , G. 2003 . Immune Activation rapidly mirrored in a secondary sexual trait . Science , 300 : 103
   PubMed Web of Science ®Google Scholar
• Fenoglio , S. , Cucco , M. and Malacarne , G. 2002a . Bill Colour And body condition in the Moorhen Gallinula chloropus . Bird Study , 49 : 89 – 92 .
   Web of Science ®Google Scholar
• Fenoglio , S. , Cucco , M. and Malacarne , G. 2002b . The effect of carotenoid-rich diet on immunocompetence and behavioural performances in Moorhen chicks . Ethology Ecology & Evoloution , 14 : 149 – 156 .
   Web of Science ®Google Scholar
• Fenoglio , S. , Cucco , M. , Fracchia , L. , Martinoti , M. G. and Malacarne , G. 2004 . Shield Colours of the Moorhen are differently related to bacterial presence and health parameters . Ethology Ecology & Evoloution , 16 : 171 – 180 .
   Web of Science ®Google Scholar
• Figuerola , J. , Muñoz , E. , Gutiérrez , R. and Ferrer , D. 1999 . Blood Parasites, Leucocytes And plumage brightness in the Cirl Bunting, Emberiza cirlus . Functional Ecology , 13 : 594 – 601 .
   Web of Science ®Google Scholar
• Folstad , I. and Karter , A. J. 1992 . Parasites, bright males, and the immunocompetence handicap . The American Naturalist , 138 : 603 – 622 .
   Google Scholar
• Gentle , L. K. and Gosler , A. G. 2001 . Fat reserves and perceived predation risk in the Great Tit, Parus major . Proceedings of the Royal Society of London (B) , 268 : 487 – 491 .
   PubMed Web of Science ®Google Scholar
• Gosler , A. G. 1996 . Environmental And social determinants of winter fat storage in the Great Tit Parus major . Journal of Animal Ecology , 65 : 1 – 17 .
   Web of Science ®Google Scholar
• Gray , D. A. 1996 . Carotenoids And Sexual Dichromatism in North American passerine birds . The American Naturalist , 148 : 453 – 480 .
   Web of Science ®Google Scholar
• Griffiths , R. , Double , M. C. , Orr , K. and Dawson , R. J. G. 1998 . A DNA test to sex most birds . Molecular Ecology , 7 : 1071 – 1075 .
   PubMed Web of Science ®Google Scholar
• Gross , W. B. and Siegel , H. S. 1983 . Evaluation of the heterophil-lymphocyte ratio as a measure of stress in Chickens . Avian Diseases , 27 : 972 – 979 .
   PubMed Web of Science ®Google Scholar
• Grossman , C. J. 1985 . Interactions between the gonadal steroids and the immune system . Science , 227 : 257 – 261 .
   PubMed Web of Science ®Google Scholar
• Gullion , G. W. 1951 . The frontal shield of the American Coot . Wilson Bullet , 63 : 157 – 166 .
   Google Scholar
• Hamilton , W. D. and Zuk , M. 1982 . Heritable true fitness and bright birds: a role for parasites? . Science , 218 : 384 – 387 .
   PubMed Web of Science ®Google Scholar
• Hill , G. E. 1994 . Influence of dietary carotenoids on plasma and plumage colour in the House Finch: intra- and intersexual variation . Functional Ecology , 8 : 343 – 350 .
   Web of Science ®Google Scholar
• Hill , G. E. 1995 . Interspecific variation in plasma hue in relation to carotenoid plumage pigmentation . The Auk , 112 : 1054 – 1057 .
   Google Scholar
• Hill , G. E. 1996 . Redness as a measure of the production cost of ornamental coloration . Ethology Ecology & Evolution , 8 : 157 – 175 .
   Web of Science ®Google Scholar
• Hill , G. E. 1999 . Is there an immunological cost to carotenoid-based ornamental coloration? . The American Naturalist , 154 : 589 – 595 .
   PubMed Web of Science ®Google Scholar
• Hõrak , P. , Ots , I. and Murumägi , A. 1998 . Haematological health state indices of reproducing Great Tits: a response to brood size manipulation . Functional Ecology , 12 : 750 – 756 .
   Web of Science ®Google Scholar
• Huxley , C. R. 1976 . Gonad weight and food supply in captive Moorhens Gallinula chloropus . Ibis , 118 : 411 – 413 .
   Web of Science ®Google Scholar
• Keeley , E. R. and Grant , J. W. 1993 . Visual information, resource value, and sequential assessment in Convict Cichlid (Cichlasoma nigrofasciatum) contests . Behavioral Ecology , 4 : 345 – 349 .
   Web of Science ®Google Scholar
• Kooijman , S. A. L. M. 1986 . Energy budgets can explain body size relations . Journal of Theoretical Biology , 121 : 269 – 282 .
   Web of Science ®Google Scholar
• Leary , R. L. and Allendorf , F. W. 1989 . Fluctuating asymmetry as an indicator of stress: implications for conservation biology . Trends in Ecology & Evolution , 4 : 214 – 217 .
   PubMed Web of Science ®Google Scholar
• Ligon , J. D. , Thornhill , R. , Zuk , M. and Johnson , K. 1990 . Male-male competition, ornamentation and the role of testosterone in sexual selection in Red Jungle Fowl . Animal Behaviour , 40 : 367 – 373 .
   Web of Science ®Google Scholar
• Lozano , G. A. 1994 . Carotenoids, parasites, and sexual selection . Oikos , 70 : 309 – 311 .
   Web of Science ®Google Scholar
• Maxwell , M. H. 1993 . Avian blood leucocyte responses to stress . World's Poultry Science Journal , 49 : 34 – 43 .
   Web of Science ®Google Scholar
• Moss , R. , Kolb , H. H. , Marquiss , M. , Watson , A. , Treca , B. , Watt , D. and Glennie , W. 1979 . Aggressiveness and dominance in captive cock Red Grouse . Aggressive Behavior , 5 : 59 – 84 .
   Web of Science ®Google Scholar
• Møller , A. P. , Biard , C. , Blount , J. D. , Houston , D. C. , Ninni , P. , Saino , N. and Surai , P. F. 2000 . Carotenoid-dependent signals: indicators of foraging efficiency, immunocompetence or detoxification ability? . Avian and Poultry Biology Reviews , 11 : 137 – 159 .
   Google Scholar
• Munsell (Color Company) . 1976 . Munsell Book of Color, Glossy Finish Collection , Baltimore, Maryland : Kollmorgen Instruments Corporation .
   Google Scholar
• Negro , J. J. , Tella , J. L. , Blanco , G. , Forero , M. G. and Garrido-Fernández , J. 2000 . Diet explains interpopulation variation of plasma carotenoids and skin pigmentation in netsling White Storks . Physiological and Biochemical Zoology , 73 : 97 – 101 .
   PubMed Web of Science ®Google Scholar
• Nelsen , I. and Brandl , R. 1988 . Plasma glucose and haematocrit of young Black-headed Gulls Larus ridibundus . Journal of Zoology, London , 215 : 183 – 187 .
   Google Scholar
• Norris , K. and Evans , M. R. 2000 . Ecological immunology: life history trade-offs and immune defense in birds . Behavioral Ecology , 11 : 19 – 26 .
   Web of Science ®Google Scholar
• Olson , V. A. and Owens , I. P. F. 1998 . Costly sexual signals: are carotenoids rare, risky or required? . Trends in Ecology & Evolution , 13 : 510 – 514 .
   PubMed Web of Science ®Google Scholar
• Ots , I. , Murumägi , A. and Hõrak , P. 1998 . Haematological health state indices of reproducing Great Tits: methodology and sources of natural variation . Functional Ecology , 12 : 700 – 707 .
   Web of Science ®Google Scholar
• Palmer , A. R. 1994 . “ Fluctuating asymmetry analyses: a primer ” . In Developmental instability: its origins and evolutionary implications , Edited by: Markow , T. A. 335 – 364 . Dordrecht, , Netherlands : Kluwer .
   Google Scholar
• Parker , G. A. 1974 . Assessment strategy and the evolution of fighting behaviour . Journal of Theoretical Biology , 47 : 223 – 243 .
   PubMed Web of Science ®Google Scholar
• Parsons , P. A. 1992 . Fluctuating asymmetry: a biological monitor of environmental and genomic stress . Heredity , 68 : 361 – 364 .
   PubMed Web of Science ®Google Scholar
• Pärt , T. and Qvarnström , A. 1997 . Badge size in Collared Flycatchers predicts outcome of male competition over territories . Animal Behaviour , 54 : 893 – 899 .
   PubMedGoogle Scholar
• Petrie , M. 1983a . Female Moorhens compete for small fat males . Science , 220 : 413 – 415 .
   PubMed Web of Science ®Google Scholar
• Petrie , M. 1983b . “ Mate choice in role-reversed species ” . In Mate choice , Edited by: Bateson , P. 167 – 179 . Cambridge : Cambridge University Press .
   Google Scholar
• Petrie , M. 1984 . Territory size in the Moorhen (Gallinula chloropus): an outcome of RHP asymmetry between neighbours . Animal Behaviour , 32 : 861 – 870 .
   Google Scholar
• Petrie , M. 1988 . Intraspecific variation in structures that display competitive ability: large animals invest relatively more . Animal Behaviour , 36 : 1174 – 1179 .
   Web of Science ®Google Scholar
• Pöysä , H. 1988 . Feeding consequences of the dominance status in Great Tit Parus major . Ornis Fennica , 65 : 69 – 73 .
   Google Scholar
• Pryke , S. R. and Andersson , S. 2003 . Carotenoid-based epaulettes reveal male competitive ability: experiments with resident and floater Red-shouldered Widowbirds . Animal Behaviour , 66 : 217 – 224 .
   Google Scholar
• Pryke , S. R. , Andersson , S. , Lawes , M. J. and Piper , S. E. 2002 . Carotenoid status signaling in captive and wild Red-collared Widowbirds: independent effects of badge size and color . Behavioral Ecology , 13 : 622 – 631 .
   Web of Science ®Google Scholar
• Pryke , S. R. , Lawes , M. J. and Andersson , S. 2001 . Agonistic carotenoid signalling in male Redcollared Widowbirds: aggression related to the colour signal of both the territory owner and model intruder . Animal Behaviour , 62 : 695 – 704 .
   Web of Science ®Google Scholar
• Puerta , M. , Nava , M. , Venero , C. and Veiga , J. 1995 . Hematology and plasma chemistry of House Sparrows (Passer domesticus) along the summer months and after testosterone treatment . Comparative Biochemistry and Physiology (A) , 110 : 303 – 307 .
   Google Scholar
• Ripley , S. D. 1977 . Rails of the World , Toronto : Feheley .
   Google Scholar
• Rohwer , S. 1982 . The evolution of reliable and unreliable badges of fighting ability . The American Naturalist , 22 : 531 – 546 .
   Google Scholar
• Siegel , H. S. 1985 . Immunological responses as indicators of stress . World's Poultry Science , 41 : 36 – 44 .
   Web of Science ®Google Scholar
• Siegel , S. and Castellan , N. J. 1988 . Nonparametric statistics , London : McGraw-Hill .
   Google Scholar
• Siegfried , W. R. and Frost , P. G. H. 1975 . Continuous breeding and associated behaviour in the Moorhen Gallinula chloropus . Ibis , 117 : 102 – 109 .
   Web of Science ®Google Scholar
• Sokal , R. R. and Rohlf , F. J. 1995 . Biometry , New York : Freeman .
   Google Scholar
• Swaddle , J. P. and Witter , M. 1994 . Food, feathers and fluctuating asymmetries . Proceedings of the Royal Society of London (B) , 255 : 147 – 152 .
   Web of Science ®Google Scholar
• Tella , J. L. , Negro , J. J. , Rodríguez-Estrella , R. , Blanco , G. , Forero , M. G. , Blázquez , M. C. and Hiraldo , F. 1998 . A comparison of spectrophotometry and color charts for evaluating total plasma carotenoids in wild birds . Physiological Zoology , 71 : 708 – 711 .
   PubMedGoogle Scholar
• Thompson , C. W. , Hillgarth , N. , Leu , M. and Mcclure , H. E. 1997 . High parasite level load in House Finches (Carpodarcus mexicanus) correlated with reduced expression of a sexually selected trait . The American Naturalist , 149 : 270 – 294 .
   Web of Science ®Google Scholar
• Witter , M. S. and Swaddle , J. P. 1995 . Dominance, competition, and energetic reserves in the European Starling, Sturnus vulgaris . Behavioral Ecology , 6 : 343 – 348 .
   Google Scholar
• Wolfenbarger , L. L. 1999 . Red coloration of male Northern Cardinals correlates with male quality and territory quality . Behavioral Ecology , 10 : 80 – 90 .
   Google Scholar
• Wood , N. A. 1974 . The breeding behaviour and biology of the Moorhen . British Birds , 67 : 104 – 115 . 137 – 158 .
   Google Scholar
• Yang , A. , Dunnington , E. A. and Siegel , P. B. 1997 . Developmental stability in stocks of White Leghorn Chickens . Poultry Science , 76 : 1632 – 1636 .
   PubMed Web of Science ®Google Scholar
• Zahavi , A. 1981 . The lateral display of fishes: bluff or honesty in signalling? . Behaviour Analysis Letters , 1 : 233 – 235 .
   Google Scholar
• Zuk , M. , Thornhill , R. , Ligon , J. D. , Johnson , K. , Austad , S. , Ligon , S. H. , Thornhill , N. W. and Costin , C. 1990 . The role of male ornaments and courtship behavior in female mate choice of Red Jungle Fowl . The American Naturalist , 136 : 458 – 473 .
   Google Scholar