Sordahl, T.A.  2001.  Copulatory behavior of American Avocets and Black-necked Stilts.  Auk 118:1072-1076.

Sordahl, T.A., S.L. McMartin, and B.M. Volz.  2002.  Phenology of a Killdeer population in northeastern Iowa.  Iowa Bird Life 72:69-77.

Sordahl, T.A.  2004.  Field evidence of predator discrimination abilities in American Avocets and Black-necked Stilts.  Journal of Field Ornithology 75:376-385.

Sordahl, T.A.  2006.  Field experiments on eggshell removal by Mountain Plovers.  Wilson Journal of Ornithology 118:59-63.

McVey, K.J., P.D.B. Skrade, and T.A. Sordahl.  2008.  Use of a communal roost by Turkey Vultures in northeastern Iowa.  Journal of Field Ornithology 79:170-175.

Evans, B.A., and T.A. Sordahl.  2009.  Factors influencing perch selection by communally roosting Turkey Vultures.  Journal of Field Ornithology 80:364-372.

Sordahl, T.A.  2012.  In memoriam:  Keith L. Dixon, 1921-2012, Condor 114:675-676.

Sordahl, T.A.  2012.  Part I - The phenology of spring bird migration in Northeast Iowa.  Decorah Public Opinion 147(11):  A-1 & A-4.

Sordahl, T.A.  2012.  Part II - The phenology of spring bird migration in Northeast Iowa.  The Decorah Journal 147(11): A-1 & B-6.

Sordahl, T.A.  Fall 2012.  Reflections on wildlife Down Under in the Wild State and the Land of Birds.  Agora 25(1): 36-40.