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Zoology and Physiology

College of Arts and Sciences

Corey E. Tarwater

Assistant Professor

Office: BS 411


B.S. 1999            Wildlife, Fish, and Conservation Biology, University of California, Davis

M.S. 2006            Natural Resources and Environmental Sciences, University of Illinois, Urbana-Champaign

Ph.D. 2010           Ecology, Evolution, and Conservation Biology, University of Illinois, Urbana-Champaign


2010-2012            University of California, Berkeley

2013-2014            University of British Columbia, Vancouver

 Research Interests:

My research interests are broadly focused on the links between ecology, evolution, and behavior of year-round resident birds and using individual-based studies to understand variation in individual fitness and population demography. My work addresses the influence of abiotic and biotic factors on reproductive and natal dispersal strategies, life history trade-offs, and demography. I address these questions by conducting long-term, individual-based studies and cross-sectional studies along environmental gradients. Some current projects include: interactive effects of rainfall and fragmentation on demography in an understory insectivore in Panama, causes of variation in individual fitness and demography of birds in central Panama, plant-rat-bird interactions and the role of invasive vertebrates in seed dispersal in Hawaii, and the role of individual and environmental heterogeneity in life history trade-offs using a long-term study of song sparrows in British Columbia.


2013       Tarwater, C.E., J.D. Brawn, and J.D. Maddox. Low extra-pair paternity in a tropical bird despite ample opportunities for extra-pair mating. Auk 130: 733-741.

2013       Tarwater, C.E. and S.R. Beissinger. Opposing selection and environmental conditions modify the optimal time to breed. Proceedings of the National Academy of Sciences 110: 15365-15370.

2012       Tarwater, C.E. The influence of phenotypic and social traits on dispersal in a family living, tropical bird. Behavioral Ecology 23: 1242-1249.

2012       Tarwater, C.E. and S.R. Beissinger. Dispersal polymorphisms from natal phenotype-environmental interactions have carry-over effects on lifetime reproductive success of a tropical parrot. Ecology Letters 15:1218-1229.

2011       Tarwater, C. E., R.E. Ricklefs, J.D. Maddox, and J.D. Brawn. Pre-reproductive survival in a tropical bird and its implications for avian life histories. Ecology 92:1271-1281.

2011       Brawn J.D., G. Angehr, N. Davros, W.D. Robinson, J. Styrsky, and C.E. Tarwater. Sources of variation in the nesting success of understory tropical birds. Journal of Avian Biology 42: 61-68.

2010       Tarwater C.E., and J.D. Brawn. The post-fledging period in a tropical bird: patterns of parental care and survival.  Journal of Avian Biology 41:479-487.

2010       Tarwater C.E., and J.D. Brawn. Family living in a Neotropical bird: variation in timing of dispersal and higher survival for delayed dispersers. Animal Behaviour 80:535-542.

2010       W.D. Robinson, M. Hau, K.C. Klasing, M. Wikelski, J.D. Brawn, S.H. Austin, C.E. Tarwater, and R. E. Ricklefs. Diversification of life histories in New World birds. Auk 127:253-262.

2010       Tarwater, C.E., and J.P. Kelley. Western Slaty-Antshrike (Thamnophilus atrinucha), Neotropical Birds Online (T.S. Schulenberg, Editor). Ithaca: Cornell Lab of Ornithology; retrieved from Neotropical Birds Online: =369186

2009       Tarwater C.E., J.P. Kelley, and J.D. Brawn. Parental response to elevated begging in a high predation, tropical environment. Animal Behaviour 78:1239-1245.

2008       Tarwater C.E., and J.D. Brawn. Patterns of brood division and an absence of behavioral plasticity in a neotropical passerine. Behavioral Ecology and Sociobiology 62:1441-1452.

2008       Tarwater C.E. Predators at nests of the Western Slaty Antshrike.  Wilson Journal of Ornithology 120:620-624.

PHD Assistantship available

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