Scientific Papers Published about Purple Martins:



Morton, E. S. and R. Patterson. l983. Kin association, spacing, and composition of a post-breeding roost of purple martins.  Journal of Field Ornithology  54: 36-41.


Morton, E. S. l985. Vocal imitation in a captive Purple Martin.  Wilson Bulletin 97:392-395. 


Morton, E. S. 1987. Variation in mate guarding intensity by male Purple Martins.  Behaviour 101: 211-224.


Morton, E. S. 1988.* The truly long term trend in populations of the Purple Martin.  Purple Martin Update 1: 20-22.


Morton, E. S. 1988.* Dawnsong of the Purple Martin.  Atlantic Naturalist 38: 38-48.


Morton, E. S. 1989.* Purple dawn.  Purple Martin Update 2(1): 10-13.


Morton, E. S., L. Forman and M. Braun. 1990. Extrapair fertilizations and the evolution of colonial breeding in Purple Martins.  Auk 107: 275-283.


Morton, E. S. and K. Derrickson. 1990. The biological significance of age-specific return schedules in breeding Purple Martins.  Condor 92: 1040-1050.


Morton, E. S. 1991.* Condominium living in purple martins:  good longterm investment but high entry fees!  Living Bird Quarterly, January issue.


Morton, E. S. 1992.* Martin night at the Morton's: Civic-minded martins give blood for science.  Purple Martin Update 4(1): 1-5.


Davidar, P. and E. S. Morton. 1993. Living with parasites: prevalence and effects of a blood parasite on survivorship in the Purple Martin.  Auk 110: 109-116.


Wagner, R. H., M. D. Schug and E. S. Morton. 1996a. Condition-dependent control of paternity by female purple martins: implications for coloniality.  Behavioral Ecology and Sociobiology 38: 379-389.


Wagner, R. H., M. D. Schug and E. S. Morton. 1996b. Confidence of paternity, actual paternity, and parental effort by purple martins.  Animal Behaviour 52: 123-132.



Wagner, R. H., P. Davidar, M. Schug, and E. S. Morton,. 1997. Do blood parasites affect paternity and provisioning in Purple Martins?  Condor 99: 520-523.


Morton, E. S. 1997. Purple Martin, for the Virginia Breeding Bird Atlas.


Morton, E. S. and B. J. M. Stutchbury. 1997.* Are you a martin hog?  Purple Martin Update.7:8-9.


Morton, E. S. and B. J. M. Stutchbury. 1998.* More on martin ‘hogs’.  Purple Martin Update 8: 3-4.



Morton, E. S. 2000.* The European paper-wasp: a new threat to cavity-nesting birds is coming!  Purple Martin Update XX: 12-13.


Morton, E. S. 2003. Evolution of return schedules in the purple martin.  Purple Martin Update, May issue.


Wagner, R. H., M. D. Schug, and E. S. Morton.  Avoidance of breeding with genetically similar mates does not explain extra-pair paternity in purple martins. Journal of Avian Biology, in review.


Davidar, P. and E. S. Morton.  Parasites, age, and female choice in the purple martin.  Auk, in review


Purple Martin related Grants:


l986, Grant entitled "Biochemical analysis of paternity in the purple martin".  Smithsonian Scholarly Studies program, $27,000.


1990, Grant entitled "Testing the importance of parasites to first year survival in purple martins Progne subis. Research Opportunities Fund, $3500.


Purple Martin Related Committee Service:


Purple Martin Conservation Association, member of Scientific Advisory Board, 1985-present


Purple Martin Preservation Alliance, advisor, 2002-present