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John E. McCormack
Research fellow
Ph.D., Biology, University of California, Los Angeles, 2007
U-M affiliation
Department of Ecology and Evolutionary Biology
Museum of Zoology
Other affiliations
Senior Research Fellow, Center for Tropical Research, Institute of the Environment
UCLA
Contact information
University of Michigan
Insect Division
Museum of Zoology
1089 Ruthven Museum
1109 Geddes Ave.
University of Michigan
Ann Arbor, MI 48109-1079
Phone: 734-763-7943
Email: johnmcc@umich.edu
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Fields of study
Divergence and speciation of natural populations
Research interests
I study the ecological and evolutionary processes responsible for divergence among populations and species. Specifically I have studied how natural selection and genetic drift contribute to divergence at different scales of space and time (mainly Neogene and Quaternary effects in the New World). I am interested in integrative research that combines data from phylogeography, ecology, morphology, and behavior and aims for a holistic description of divergence processes. I have mainly worked with birds, but am broadly interested in natural populations, specifically in the highlands of the western U.S. and Latin America.
Mentor
Professor L. Lacey Knowles
Publications
McCormack, J.E. & T.B. Smith. 2008. Niche expansion leads to small-scale adaptive divergence along an elevation gradient in a medium-sized passerine bird. Proceedings of the Royal Society B. (In press).
McCormack, J.E., A.T. Peterson, E. Bonaccorso & T.B. Smith. 2008. Speciation in the highlands of Mexico: genetic and phenotypic differentiation in the Mexican jay (Aphelocoma ultramarina). Molecular Ecology 17: 2505-2521.
Milá, B., J.E. McCormack, G. Castañeda, T.B. Smith, & R.K. Wayne. 2007. Recent postglacial range expansion drives the rapid diversification of a songbird lineage in the genus Junco. Proceedings of the Royal Society B 274: 2653-2660.
McCormack, J.E., P. Jablonski, & J.L. Brown. 2007. Producer-scrounger roles and the effect of dominance on preferential joining in a free-living group of Mexican jays (Aphelocoma ultramarina). Behaviour 144: 967-982.
McCormack, J.E., G. Castañeda-Guayasamin, & G. Levandoski. 2007. Sierra Santa Rosa: an oasis of bird diversity in arid northern Mexico. Ornitología Neotropical 18: 369-377.
McCormack, J.E. & J.L. Brown. 2007. Mexican jay (Aphelocoma ultramarina). In The Birds of North America, No. 118 (A. Poole and F. Gill, eds.). Philadelphia: The Academy of Natural Sciences; Washington, D.C.: The American Ornithologists’ Union.
McCormack, J.E., G. Castañeda Guayasamin, B. Milá, & F. Heredia-Pineda. 2005. Slate-throated redstarts (Myioborus miniatus) breeding in Maderas del Carmen, Coahuila, Mexico. Southwestern Naturalist 50: 501-503.
Avilés, L., J. McCormack, A. Cutter, & T. Bukowski. 2000. Precise, highly female-biased sex ratios in a social spider. Proceedings of the Royal Society B 267: 1445-1449.
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