"Adaptive variation of beak shape in Scrub Jays ( Aphelocoma coerulesens )." American Naturalist 142 (1993): 508 - 527.
"Biology of the cooperatively breeding Scrub Jays ( Aphelocoma coerulecens ) of Oaxaca , Mexico ." Co-authored with D.B. Burt. Auk 110 (1993): 207 - 214.
"Ecological diversity in Scrub Jays ( Aphelocoma coerulescens )." Co-authored with N. Vargas B. in The Biological diversity of Mexico ; origins and distribution , Ramamoorthy, Bye, Lot , and Fa, eds., (New York: Oxford University Press, 1993), 309 - 317. |
