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Publications

 

 

Duckworth, RA. 2008. Adaptive dispersal strategies and the dynamics of a range expansion. American Naturalist 172: S4-S17.

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Badyaev, AV, RL Young, GE Hill, RA Duckworth. 2008. Evolution of sex-biased maternal effects in birds: IV. Intra-ovarian growth dynamics can link sex-determination and sex-specific acquisition of resources. Journal of Evolutionary Biology 21: 449-460.

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Duckworth, RA. 2008. The role of behavior in evolution: a search for mechanism. Evolutionary Ecology. doi 10.1007/s10682-008-9252-6

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Duckworth, RA. and AV Badyaev. 2007. Coupling of dispersal and aggression facilitates the rapid range expansion of a passerine bird. Proceedings of the National Academy of Sciences, USA 104: 15017-15022.

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Duckworth, RA. 2006. Aggressive behavior affects selection on morphology by determining the environment of breeding in a passerine bird. Proceedings of the Royal Society of London B 273: 1789-1795.

 


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Duckworth, RA. 2006. A behavioral correlation across reproductive contexts provides a mechanism for a cost of aggression. Behavioral Ecology 17: 1011-1019.

 

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Badyaev, AV, H Schwabl, RL Young, RA Duckworth, K Navara, AF Parlow. 2005. Adaptive sex differences in growth of pre-ovulation oocytes in a passerine bird. Proceedings of the Royal Society of London B 272: 2165-2172. (cover article)

 

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Badyaev, AV and RA Duckworth. 2005. Evolution of plasticity in hormonally-integrated parental tactics. Pp. 375-386 In Functional Avian Endocrinology (eds. A. Dawson & P.J. Sharp). Narosa Publishing House.

 

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Duckworth, RA, MT Mendonça, and GE Hill. 2004. Condition dependent sexual traits and social dominance in the house finch. Behavioral Ecology 15: 779-784.

 

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Duckworth, RA, AV Badyaev, and AF Parlow. 2003. Elaborately ornamented males avoid costly parental care in the house finch (Carpodacus mexicanus): a proximate perspective. Behavioral Ecology and Sociobiology 55: 176-183.

 

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Badyaev, AV and RA Duckworth. 2003. Context-dependent sexual advertisement: plasticity in development of sexual ornamentation throughout the lifetime of a passerine bird. Journal of Evolutionary Biology 16: 1065-1076.

 

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Duckworth, RA, AV Badyaev, KL Farmer, GE Hill, and SR Roberts. 2003. First case of mycoplasmosis in the native range of the House Finch (Carpodacus mexicanus). Auk 120: 528-530.

 

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Badyaev, AV, GE Hill, ML Beck, AA Dervan, RA Duckworth, et al. 2002. Sex-biased hatching order and adaptive population divergence in a passerine bird. Science 295: 316-318.

 

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Duckworth, RA, MT Mendonça, and GE Hill. 2001. A condition dependent link between testosterone and disease resistance in the house finch. Proceedings of the Royal Society of London B 268: 2467-2472.

 

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Nolan, P. M., R. A. Duckworth, G. E. Hill, and S. R. Roberts 2000. Maintenance of a captive flock of house finches free of infection by Mycoplasma gallisepticum. Avian Diseases 44: 948-952.

 

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  Departmental Seminars  
  Ecology & Evolutionary Biology, Young Investigator Seminar Princeton University, NJ, 2008.  
  Edward Grey Institute, Oxford University, Oxford, UK, 2008.  
  School of Biological Sciences, University of Aberdeen, Aberdeen, UK, 2008.  
  NERC Centre for Population Biology, Imperial College London , Silwood Park, Ascot, UK, 2008.  
 

Department of Organismic & Evolutionary Biology, Harvard University, Cambridge, MA, 2007.

 
 

Ecology & Evolutionary Biology, University of Arizona, Tucson, AZ, 2007.

 
  Institute of Evolutionary Biology, University of Edinburgh, Edinburgh, UK 2007.  
     
 

 

Invited & Contributed Presentations

 
  Evolution of behavior at the edge of a range expansion. Symposium: Population consequences of adaptive processes. XI Congress of the European Society for Evolutionary Biology Uppsala, Sweden, 2007.
  Evolution of behavioral integration and colonization of a novel environment. Invited speaker. ASN Vice Presidential Symposium. Evolution & ASN Meetings. Christchurch, New Zealand, 2007.
  Rapid evolution of aggression across the recent range overlap of two passerine species. Invited speaker. Young Scientists' Symposium, University of Michigan, Ann Arbor, 2007.
  Sexual selection and the evolution of avian personalities. Invited symposium: Evolutionary and Ecological Perspectives of Sexual Selection. North American Ornithological Conference. Veracruz, Mexico, 2006.
  Evolution of distinct behavioral phenotypes in a passerine bird in response to fluctuating selection. Evolution & ASN Meetings. Stony Brook University, NY, 2006.
  Rapid evolution of aggression across the recent range overlap of two passerine species. EvoLunch Seminar. UNC-Chapel Hill, NC, 2005.
 

Evolution of aggression as a key to the reciprocal range shifts of two passerine species. Evolution & ASN Meetings. Fairbanks, AK, 2005.
(featured in Science News Focus)

  The role of behavior in evolution: An example in a passerine bird. Evolution & ASN Meetings. Fairbanks, AK, 2005.
  When the environment of selection becomes the selected environment: Evolutionary causes and consequences of variation in behavior. Population Biology Seminar. Duke University, Durham, NC, 2004.
  Sex-specific fitness cost of interspecific aggression in a passerine bird. Evolution & ASN Meetings. Fort Collins, CO, 2004.
  Fitness cost to competitive behavior in western bluebirds. American Ornithologists' Union 122nd Stated Meeting, Quebec, Canada 2004.
  When fair housing policies fail: the subtler side of competition over nest cavities. Invited keynote speaker for the North American Bluebird Society Conference, 2004.
 

Variable reproductive investment along an elevational gradient in two passerine species. IX Congress of the European Society for Evolutionary Biology. Leeds, UK, 2003.

  Elaborately ornamented males avoid costly parental care in the house finch: a proximate perspective. International Ornithological Congress. Beijing, China, 2002.
  Males with more elaborated sexual ornaments avoid costly parental care in a passerine bird. Edward Grey Institute Conference. Oxford University, UK, 2002.
  Proximate regulation of the male mating phenotype in the house finch: A role for condition-dependent hormone interactions? Invited Symposium: New perspectives in the evolution of sexual traits. American Ornithologists’ Union 119th Meeting, Seattle, WA, 2001.
 

Testosterone, condition and disease in the house finch: implications for sexual selection. Adaptation and Immunity Symposium. VIII Congress of the European Society for Evolutionary Biology, Aarhus, Denmark, 2001.

 

Consequences of testosterone elevation: Dominance and disease in the house finch. 1st Annual Graduate Student Research Symposium, Duke University, Durham, NC, 2000.

  The effect of testosterone manipulation on parasite resistance in the house finch. Society for Integrative and Comparative Biology Meeting. Atlanta, GA, 2000.
  Consequences of experimental elevation of testosterone: Implications for the Immunocompetence Handicap Hypothesis. Animal Behavior Society Meeting, Bucknell University, PA, 1999.