T D Williams

Summary

Affiliation: Simon Fraser University
Country: Canada

Publications

  1. ncbi Hematological changes associated with egg production: estrogen dependence and repeatability
    Emily C Wagner
    Women s Health Research Institute, E204 4500 Oak Street, Box 42, Vancouver, British Columbia, V6H 3N1, Canada
    J Exp Biol 211:400-8. 2008
  2. ncbi Hormones, life-history, and phenotypic variation: opportunities in evolutionary avian endocrinology
    Tony D Williams
    Department of Biological Sciences, Simon Fraser University, 8888 University Drive, Burnaby, BC, Canada V5A 1S6
    Gen Comp Endocrinol 176:286-95. 2012
  3. ncbi Top-down regression of the avian oviduct during late oviposition in a small passerine bird
    T D Williams
    Department of Biological Sciences, Simon Fraser University, 8888 University Drive, Burnaby, British Columbia V5A 1S6, Canada
    J Exp Biol 207:263-8. 2004
  4. ncbi Individual variation in plasma estradiol-17beta and androgen levels during egg formation in the European starling Sturnus vulgaris: implications for regulation of yolk steroids
    T D Williams
    Department of Biological Sciences, Simon Fraser University, 8888 University Drive, Burnaby, BC, Canada
    Gen Comp Endocrinol 136:346-52. 2004
  5. ncbi Laying-sequence-specific variation in yolk oestrogen levels, and relationship to plasma oestrogen in female zebra finches (Taeniopygia guttata)
    Tony D Williams
    Department of Biological Sciences, Simon Fraser University, Burnaby, British Columbia V5A 1S6, Canada
    Proc Biol Sci 272:173-7. 2005
  6. ncbi Individual variation in endocrine systems: moving beyond the 'tyranny of the Golden Mean'
    Tony D Williams
    Department of Biological Sciences, Simon Fraser University, Burnaby, British Columbia, Canada V5A 1S6
    Philos Trans R Soc Lond B Biol Sci 363:1687-98. 2008
  7. ncbi Individually variable energy management during egg production is repeatable across breeding attempts
    Tony D Williams
    Department of Biological Sciences, Simon Fraser University, 8888 University Drive, Burnaby, Canada, V5A 1S6
    J Exp Biol 212:1101-5. 2009
  8. ncbi Experimental manipulation of female reproduction reveals an intraspecific egg size-clutch size trade-off
    T D Williams
    Department of Biological Sciences, Simon Fraser University, Burnaby, British Columbia, Canada
    Proc Biol Sci 268:423-8. 2001
  9. ncbi Experimental (tamoxifen-induced) manipulation of female reproduction in zebra finches (Taeniopygia guttata)
    T D Williams
    Department of Biological Sciences, Simon Fraser University, 8888 University Drive, Burnaby, British Columbia V5A 1S6, Canada
    Physiol Biochem Zool 73:566-73. 2000
  10. ncbi Food intake, locomotor activity, and egg laying in zebra finches: contributions to reproductive energy demand?
    T D Williams
    Department of Biological Sciences, Simon Fraser University, Burnaby, British Columbia, Canada
    Physiol Biochem Zool 72:19-27. 1999

Detail Information

Publications59

  1. ncbi Hematological changes associated with egg production: estrogen dependence and repeatability
    Emily C Wagner
    Women s Health Research Institute, E204 4500 Oak Street, Box 42, Vancouver, British Columbia, V6H 3N1, Canada
    J Exp Biol 211:400-8. 2008
    ....
  2. ncbi Hormones, life-history, and phenotypic variation: opportunities in evolutionary avian endocrinology
    Tony D Williams
    Department of Biological Sciences, Simon Fraser University, 8888 University Drive, Burnaby, BC, Canada V5A 1S6
    Gen Comp Endocrinol 176:286-95. 2012
    ....
  3. ncbi Top-down regression of the avian oviduct during late oviposition in a small passerine bird
    T D Williams
    Department of Biological Sciences, Simon Fraser University, 8888 University Drive, Burnaby, British Columbia V5A 1S6, Canada
    J Exp Biol 207:263-8. 2004
    ..g. immunoglobulins, lysozyme)...
  4. ncbi Individual variation in plasma estradiol-17beta and androgen levels during egg formation in the European starling Sturnus vulgaris: implications for regulation of yolk steroids
    T D Williams
    Department of Biological Sciences, Simon Fraser University, 8888 University Drive, Burnaby, BC, Canada
    Gen Comp Endocrinol 136:346-52. 2004
    ..Data on inter- and intra-individual variation in female hormone levels are important to set-up a priori predictions for, and interpretation of, studies of yolk hormone levels...
  5. ncbi Laying-sequence-specific variation in yolk oestrogen levels, and relationship to plasma oestrogen in female zebra finches (Taeniopygia guttata)
    Tony D Williams
    Department of Biological Sciences, Simon Fraser University, Burnaby, British Columbia V5A 1S6, Canada
    Proc Biol Sci 272:173-7. 2005
    ....
  6. ncbi Individual variation in endocrine systems: moving beyond the 'tyranny of the Golden Mean'
    Tony D Williams
    Department of Biological Sciences, Simon Fraser University, Burnaby, British Columbia, Canada V5A 1S6
    Philos Trans R Soc Lond B Biol Sci 363:1687-98. 2008
    ..behavioural endocrinology)...
  7. ncbi Individually variable energy management during egg production is repeatable across breeding attempts
    Tony D Williams
    Department of Biological Sciences, Simon Fraser University, 8888 University Drive, Burnaby, Canada, V5A 1S6
    J Exp Biol 212:1101-5. 2009
    ..non-breeding to breeding) based on multiple measurements of the same individual, and (b) of extending consideration of how selection might drive the evolution of phenotypic plasticity per se to include physiological and metabolic traits...
  8. ncbi Experimental manipulation of female reproduction reveals an intraspecific egg size-clutch size trade-off
    T D Williams
    Department of Biological Sciences, Simon Fraser University, Burnaby, British Columbia, Canada
    Proc Biol Sci 268:423-8. 2001
    ....
  9. ncbi Experimental (tamoxifen-induced) manipulation of female reproduction in zebra finches (Taeniopygia guttata)
    T D Williams
    Department of Biological Sciences, Simon Fraser University, 8888 University Drive, Burnaby, British Columbia V5A 1S6, Canada
    Physiol Biochem Zool 73:566-73. 2000
    ..Tamoxifen treatment can therefore be used successfully to manipulate several components of the female reproductive phenotype (egg composition, intraclutch egg-size variation) to further explore the fitness consequences of these traits...
  10. ncbi Food intake, locomotor activity, and egg laying in zebra finches: contributions to reproductive energy demand?
    T D Williams
    Department of Biological Sciences, Simon Fraser University, Burnaby, British Columbia, Canada
    Physiol Biochem Zool 72:19-27. 1999
    ..These data suggest that the prevailing view of small passerines as "classic" income breeders needs to be reevaluated...
  11. ncbi Organ mass dynamics in relation to yolk precursor production and egg formation in European starlings Sturnus vulgaris
    J K Christians
    Department of Biological Sciences, Simon Fraser University, Burnaby, British Columbia V5A 1S6, Canada
    Physiol Biochem Zool 72:455-61. 1999
    ..Meeting the biosynthetic demands of egg production does not appear to require hypertrophy of the liver or supporting metabolic machinery...
  12. ncbi Phenotypic flexibility of body composition in relation to migratory state, age, and sex in the western sandpiper (Calidris mauri)
    Christopher G Guglielmo
    Centre for Wildlife Ecology, Department of Biological Sciences, Simon Fraser University, Burnaby, British Columbia V5A 1S6, Canada
    Physiol Biochem Zool 76:84-98. 2003
    ....
  13. ncbi What comes first, the zebra finch or the egg: temperature-dependent reproductive, physiological and behavioural plasticity in egg-laying zebra finches
    Katrina G Salvante
    Department of Biological Sciences, Simon Fraser University, 8888 University Drive, Burnaby, British Columbia, V5A 1S6, Canada
    J Exp Biol 210:1325-34. 2007
    ..Therefore, other temperature-dependent mechanisms must be involved in the physiological processes that regulate reproductive output of passerine birds at low ambient temperatures...
  14. ncbi Using life-histories to predict and interpret variability in yolk hormones
    O P Love
    Department of Biological Sciences, Simon Fraser University, 8888 University Drive, Burnaby, BC, Canada
    Gen Comp Endocrinol 163:169-74. 2009
    ....
  15. ncbi Interindividual variation in yolk mass and the rate of growth of ovarian follicles in the zebra finch (Taeniopygia guttata)
    J K Christians
    Department of Biological Sciences, Simon Fraser University, Burnaby, British Columbia, Canada
    J Comp Physiol B 171:255-61. 2001
    ..The uptake of activity was generally repeatable between breeding attempts (repeatability= 0.23-0.44), as was mean yolk mass (repeatability = 0.35), suggesting that these traits are characteristics of individual females...
  16. ncbi The metabolic cost of egg production is repeatable
    François Vézina
    Department of Biological Sciences, Simon Fraser University, 8888 University Drive, Burnaby, V5A 1S6, Canada
    J Exp Biol 208:2533-8. 2005
    ..This suggests that the metabolic cost of egg formation should respond to selection. However, we also show that in males, but not females, repeatability of RMR declines over time even when birds are kept in constant controlled conditions...
  17. ncbi Follicular development and plasma yolk precursor dynamics through the laying cycle in the European starling (Sturnus vulgaris)
    W O Challenger
    Department of Biological Sciences, Simon Fraser University, 8888 University Drive, Burnaby, British Columbia V5A 1S6, Canada
    Physiol Biochem Zool 74:356-65. 2001
    ..Although there is marked individual variation in plasma VTG and VLDL (four- to eightfold), both precursors were repeatable in the short term (24 h), and plasma VTG was repeatable over a 14-d interval between successive breeding attempts...
  18. ncbi Female zebra finches (Taeniopygia guttata) are chronically but not cumulatively "anemic" during repeated egg laying in response to experimental nest predation
    J Willie
    Department of Biological Sciences, Simon Fraser University, Burnaby, British Columbia V5A 1S6, Canada
    Physiol Biochem Zool 83:119-26. 2010
    ....
  19. ncbi Characterization of very-low density lipoprotein particle diameter dynamics in relation to egg production in a passerine bird
    Katrina G Salvante
    Department of Biological Sciences, Simon Fraser University, 8888 University Drive, Burnaby, British Columbia, V5A 1S6, Canada
    J Exp Biol 210:1064-74. 2007
    ..e. to produce and maintain a large proportion of small VLDL particles of specific diameters that are capable of being incorporated into newly forming egg yolks...
  20. ncbi Digestive organ sizes and enzyme activities of refueling western sandpipers (Calidris mauri): contrasting effects of season and age
    R Will Stein
    Department of Biological Sciences, Simon Fraser University, Burnaby, British Columbia V5A 1S6, Canada
    Physiol Biochem Zool 78:434-46. 2005
    ..These results suggest that juvenile western sandpipers may process food differently from adults and/or have a lower-quality diet...
  21. ncbi Experimental (antiestrogen-mediated) reduction in egg size negatively affects offspring growth and survival
    Emily C Wagner
    Department of Biological Sciences, Simon Fraser University, 8888 University Drive, Burnaby, British Columbia V5A 1S6, Canada
    Physiol Biochem Zool 80:293-305. 2007
    ..Our results provide empirical support for significant effects of egg size on offspring quality and further suggest that among individual females there is a minimum egg size required to maintain embryo viability and offspring quality...
  22. ncbi Sex-specific variability in the immune system across life-history stages
    Oliver P Love
    Department of Biological Sciences, Simon Fraser University, Burnaby, British Columbia V5A 1S6, Canada
    Am Nat 172:E99-112. 2008
    ..Data are consistent with immunity being a highly plastic trait that is sex-specifically modulated in a context-dependent manner and suggest that immunity at one stage may provide limited information about immunity at future stages...
  23. ncbi The adaptive value of stress-induced phenotypes: effects of maternally derived corticosterone on sex-biased investment, cost of reproduction, and maternal fitness
    Oliver P Love
    Department of Biological Sciences, Simon Fraser University, Burnaby, British Columbia V5A 1S6, Canada
    Am Nat 172:E135-49. 2008
    ..Our results also indicate that the branding of the proximate effects of maternal glucocorticoids on offspring as negative ignores the possibility that short-term phenotypic changes may actually increase maternal fitness...
  24. ncbi Evidence for within-individual energy reallocation in cold-challenged, egg-producing birds
    Katrina G Salvante
    Department of Biological Sciences, Simon Fraser University, 8888 University Drive, Burnaby, British Columbia, Canada, V5A 1S6
    J Exp Biol 213:1991-2000. 2010
    ....
  25. ncbi Stress hormones: a link between maternal condition and sex-biased reproductive investment
    Oliver P Love
    Department of Biological Sciences, Simon Fraser University, Burnaby, British Columbia V5A 1S6, Canada
    Am Nat 166:751-66. 2005
    ..Together with recent studies in other vertebrate taxa, these results suggest that maternal stress hormones provide a mechanistic link between maternal quality and sex-biased maternal investment in offspring...
  26. ncbi Mediation of a corticosterone-induced reproductive conflict
    Oliver P Love
    Department of Biological Sciences, Simon Fraser University, Burnaby, BC, V5A 1S6 Canada
    Horm Behav 46:59-65. 2004
    ..Together with mounting evidence, we suggest that elevated corticosteroid levels are an inherent and necessary part of reproduction in nonmammalian tetrapods...
  27. ncbi Tissue damage precludes the use of the everted sleeve technique to measure nutrient uptake in a small migratory shorebird, the western sandpiper (Calidris mauri)
    R Will Stein
    Centre for Wildlife Ecology, Department of Biological Sciences, Simon Fraser University, Burnaby, British Columbia V5A 1S6, Canada
    Physiol Biochem Zool 76:762-70. 2003
  28. ncbi Plasticity in body composition in breeding birds: what drives the metabolic costs of egg production?
    François Vézina
    Department of Biological Sciences, Simon Fraser University, Burnaby, British Columbia V5A 1S6, Canada
    Physiol Biochem Zool 76:716-30. 2003
    ....
  29. ncbi Variation in plasma leptin-like immunoreactivity in free-living European starlings (Sturnus vulgaris)
    Lauren L Kordonowy
    Department of Biological Sciences, Simon Fraser University, 8888 University Drive, Burnaby, BC, Canada V5A 1S6
    Gen Comp Endocrinol 166:47-53. 2010
    ....
  30. ncbi The metabolic cost of avian egg formation: possible impact of yolk precursor production?
    François Vézina
    Department of Biological Sciences, Simon Fraser University, Burnaby, 8888 University Drive, Burnaby, V5A 1S6, Canada
    J Exp Biol 206:4443-51. 2003
    ..This could mean that yolk precursor production represents low energy investment. However, we discuss these results in light of possible adjustments between organs that could result in energy compensation...
  31. ncbi Metabolic costs of egg production in the European starling (Sturnus vulgaris)
    François Vézina
    Department of Biological Sciences, Simon Fraser University, 8888 University Drive, Burnaby, British Columbia V5A 1S6, Canada
    Physiol Biochem Zool 75:377-85. 2002
    ....
  32. ncbi Effects of corticosterone on the proportion of breeding females, reproductive output and yolk precursor levels
    Katrina G Salvante
    Department of Biological Sciences, Simon Fraser University, 8888 University Drive, Burnaby, BC, Canada V5A 1S6
    Gen Comp Endocrinol 130:205-14. 2003
    ..g., lizards) in relation to the role of corticosterone in regulating egg and clutch size...
  33. ncbi Variation in yolk precursor receptor mRNA expression is a key determinant of reproductive phenotype in the zebra finch (Taeniopygia guttata)
    Dong Han
    Department of Biological Sciences, Simon Fraser University, Burnaby, Canada, V5A 1S6
    J Exp Biol 212:1277-83. 2009
    ....
  34. ncbi Correlated evolution of maternally derived yolk testosterone and early developmental traits in passerine birds
    K B Gorman
    Department of Biological Sciences, Simon Fraser University, 8888 University Drive, Burnaby, British Columbia, Canada V5A 1S6
    Biol Lett 1:461-4. 2005
    ..001, r2=0.85; independent contrasts: p=0.005). Our results highlight the need for more studies investigating the role of yolk hormones in evolutionary processes concerning maternal effects...
  35. ncbi Fatty acid binding protein, a major protein in the flight muscle of migrating western sandpipers
    C G Guglielmo
    Department of Biological Sciences, Simon Fraser University, Burnaby, BC, Canada
    Comp Biochem Physiol B Biochem Mol Biol 119:549-55. 1998
    ..Thus, it is proposed that a seasonal increase in M-FABP expression could be a component of physiological preparation for migration...
  36. ncbi Determinants of within- and among-clutch variation in yolk corticosterone in the European starling
    O P Love
    Department of Biological Sciences, Simon Fraser University, Burnaby, British, Columbia, Canada V5A 1S6
    Horm Behav 53:104-11. 2008
    ....
  37. ncbi A sport-physiological perspective on bird migration: evidence for flight-induced muscle damage
    C G Guglielmo
    Centre for Wildlife Ecology and Behavioural Ecology Research Group, Department of Biological Sciences, Simon Fraser University, Burnaby, BC, V5A 1S6 Canada
    J Exp Biol 204:2683-90. 2001
    ..Migrants may avoid damage behaviourally, or have efficient biochemical and physiological defences against muscle injury...
  38. ncbi Seasonal dynamics of flight muscle fatty acid binding protein and catabolic enzymes in a migratory shorebird
    Christopher G Guglielmo
    Department of Biological Sciences, Simon Fraser University, Burnaby, British Columbia V5A 1S6
    Am J Physiol Regul Integr Comp Physiol 282:R1405-13. 2002
    ..Citrate synthase, 3-hydroxyacyl-CoA-dehydrogenase, and carnitine palmitoyl transferase were positively correlated within individuals, suggesting coexpression, but enzyme activities were unrelated to H-FABP levels...
  39. ncbi Shifts in metabolic demands in growing altricial nestlings illustrate context-specific relationships between basal metabolic rate and body composition
    François Vézina
    Department of Biological Sciences, Simon Fraser University, 8888 University Drive, Burnaby, British Columbia V5A 1S6, Canada
    Physiol Biochem Zool 82:248-57. 2009
    ..In the future, such comparisons must be done while taking the physiological state of the study animal into account...
  40. ncbi Effects of porcine follicle-stimulating hormone on the reproductive performance of female zebra finches (Taeniopygia guttata)
    Julian K Christians
    Department of Biological Sciences, Simon Fraser University, Burnaby, British Columbia V5A 1S6, Canada
    Gen Comp Endocrinol 125:121-31. 2002
    ..The results of this study did not support the hypothesis that FSH mediates a trade-off between egg size and clutch size in birds...
  41. ncbi Plasma yolk precursor dynamics during egg production by female greater scaup (Aythya marila): Characterization and indices of reproductive state
    Kristen B Gorman
    Centre for Wildlife Ecology, Simon Fraser University, Burnaby, British Columbia, Canada
    Physiol Biochem Zool 82:372-81. 2009
    ....
  42. ncbi Hematological changes associated with egg production: direct evidence for changes in erythropoiesis but a lack of resource dependence?
    Emily C Wagner
    Department of Biological Sciences, Simon Fraser University, 8888 University Drive, Burnaby, British Columbia, Canada V5A 1S6
    J Exp Biol 211:2960-8. 2008
    ..This study demonstrates that transient suppression of erythropoiesis and, subsequently, increased reticulocytosis, are key components of reproductive anemia in egg-laying females...
  43. ncbi Impact of oil-sands based wetlands on the growth of mallard (Anas platyrhynchos) ducklings
    Kirsty E Gurney
    Department of Biological Sciences, Simon Fraser, University, Burnaby, British Columbia V5A 1S6, Canada
    Environ Toxicol Chem 24:457-63. 2005
    ..We emphasize the importance of field-based ecological research in toxicological studies of wildlife...
  44. ncbi Plasticity in the adrenocortical response of a free-living vertebrate: the role of pre- and post-natal developmental stress
    Oliver P Love
    Department of Biological Sciences, Simon Fraser University, Burnaby, British Columbia, V5A 1S6 Canada
    Horm Behav 54:496-505. 2008
    ....
  45. ncbi Individually variable energy management strategies in relation to energetic costs of egg production
    François Vézina
    Department of Biological Sciences, Simon Fraser University, 8888 University Drive, Burnaby, V5A 1S6, Canada
    Ecology 87:2447-58. 2006
    ..This suggests a very complex, individually variable system of energy management to meet the demands of egg production...
  46. ncbi Modulation of lipogenic enzymes, fatty acid synthase and delta9-desaturase, in relation to migration in the western sandpiper (Calidris mauri)
    O Egeler
    Department of Biological Sciences, Simon Fraser University, Burnaby, British Columbia, Canada
    J Comp Physiol B 170:169-74. 2000
    ..4 g day(-1)) during short (1-4 day) periods at stop-over sites. However, slower rates of mass gain (0.09 g day(-1)) over several weeks prior to migration can be achieved without any increase in tissue-specific enzyme activity...
  47. ncbi Kidney, liver and bone cadmium content in the western sandpiper in relation to migration
    C N McFarland
    Department of Biological Sciences, Simon Fraser University, Burnaby, BC, Canada
    J Environ Monit 4:791-5. 2002
    ..This study points to the importance of considering the ecology of the species (e.g., in this case migratory behavior) in interpreting trace metal residues...
  48. ncbi Validation of an egg-injection method for embryotoxicity studies in a small, model songbird, the zebra finch (Taeniopygia guttata)
    V Winter
    Department of Biological Sciences, Simon Fraser University, Burnaby, British Columbia, Canada V5A 1S6
    Chemosphere 90:125-31. 2013
    ..This method can be used to treat eggs in a dose-dependent, and ecologically-relevant, manner with PBDE-99, based on chemical analysis of eggs, hatchling and adults...
  49. ncbi Effects of physiological state, mass change and diet on plasma metabolite profiles in the western sandpiper Calidris mauri
    D A Seaman
    Department of Biological Sciences, Simon Fraser University, 8888 University Drive, Burnaby, V5A 1S6, Canada
    J Exp Biol 208:761-9. 2005
    ....
  50. ncbi Effects of azinphos-methyl on cholinergic responses and general health in zebra finches (Taeniopygia guttata) after previous treatment with p,p'-DDE
    H Gill
    Agroecology Group, Faculty of Agricultural Sciences, University of British Columbia, 2357 Main Mall, Vancouver, British Columbia, V6T 1Z4, Canada
    Arch Environ Contam Toxicol 48:118-26. 2005
    ....
  51. ncbi Indirect predator effects on clutch size and the cost of egg production
    Marc Travers
    Department of Biological Sciences, Simon Fraser University, Burnaby, BC V5A1S6, Canada
    Ecol Lett 13:980-8. 2010
    ..g. oxidative stress and glucocorticoid mobilization) consistent with both a response to the threat of predation and an increased cost of egg production...
  52. ncbi Dose-dependent uptake, elimination, and toxicity of monosodium methanearsonate in adult zebra finches (Taeniopygia guttata)
    Courtney A Albert
    Biological Sciences, Simon Fraser University, Burnaby, British Columbia, Canada
    Environ Toxicol Chem 27:605-11. 2008
    ..The brain tissue contained primarily the MMA (V) form (57%). Significant weight loss occurred in the two highest dose groups (p < 0.05). Birds in the highest dose group lost up to 15% of initial body mass...
  53. ncbi Reproductive success and contaminants in tree swallows (Tachycineta bicolor) breeding at a wastewater treatment plant
    Patti L Dods
    Department of Biological Sciences, Simon Fraser University, Burnaby, British Columbia, Canada
    Environ Toxicol Chem 24:3106-12. 2005
    ....
  54. ncbi Tissue uptake, mortality, and sublethal effects of monomethylarsonic acid (MMA(V)) in nestling zebra finches (Taeniopygia guttata)
    Courtney Albert
    Biological Sciences, Simon Fraser University, Burnaby, British Columbia
    J Toxicol Environ Health A 71:353-60. 2008
    ..The data obtained suggest that passerine nestlings may be at risk of mortality and reduced growth due to exposure to MSMA under current environmental conditions...
  55. ncbi Patterns and trends of chlorinated hydrocarbons in nestling bald eagle (Haliaeetus leucocephalus) plasma in British Columbia and Southern California
    Lillian S Cesh
    Department of Biological Sciences, Centre for Wildlife Ecology, Simon Fraser University, Burnaby, British Columbia, V5A 1S6, Canada
    Arch Environ Contam Toxicol 55:496-502. 2008
    ....
  56. ncbi Introduction. Integration of ecology and endocrinology in avian reproduction: a new synthesis
    John C Wingfield
    University of California, One Shields Avenue, Davis, CA 95616, USA
    Philos Trans R Soc Lond B Biol Sci 363:1581-8. 2008
    ..This framework of topics will ultimately apply to all taxa because the principles involved are universal and hopefully will have direct application to programmes integrating organisms and genes throughout biological sciences...
  57. ncbi Prior experience with photostimulation enhances photo-induced reproductive development in female European starlings: a possible basis for the age-related increase in avian reproductive performance
    Keith W Sockman
    Department of Psychological and Brain Sciences, Johns Hopkins University, Baltimore, Maryland 21218, USA
    Biol Reprod 71:979-86. 2004
    ..Thus, prior experience with photostimulation enhances some initial phases of photo-induced reproductive development and may explain, in part, why reproductive performance improves with age in temperate-zone birds...
  58. ncbi Adrenocortical responses in zebra finches (Taeniopygia guttata): individual variation, repeatability, and relationship to phenotypic quality
    Haruka Wada
    Department of Fisheries and Wildlife Sciences, Virginia Polytechnic Institute and State University, Blacksburg, VA 24061, USA
    Horm Behav 53:472-80. 2008
    ..413). Phenotypic quality of adult females was correlated with nestling baseline and adrenocortical response...
  59. ncbi Brominated flame retardants and halogenated phenolic compounds in North American west coast bald eaglet (Haliaeetus leucocephalus) plasma
    Melissa A McKinney
    National Wildlife Research Centre, Canadian Wildlife Service, Environment Canada, Carleton University, Ottawa, Ontario K1A 0H3, Canada
    Environ Sci Technol 40:6275-81. 2006
    ..This study demonstrates that west coast North American bald eagles contain previously unreported organohalogens, which have the potential to impact the health and survival of these raptors...