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• WSES 4090 Topic: Natural Res. Event Planning (Fall 2016)
• WSES 4301 Pop Dyn, Mod, and Analysis (Fall 2016)

WSES 5086 Problems: Adv Teaching Practicum (Fall 2016)

• 2008 – 2011 Project Supervisor, Willow flycatcher demography study, Texas A&M University.
• 2003 – 2008 Graduate Research Assistant, Willow flycatcher demography study, University. of Nevada, Reno
• 2000 – 2002 Graduate Research Assistant, avian surveys and productivity monitoring, Texas A&M University.
• 2000 – 2001 Caretaker, captive breeding facility, Texas A&M University.
• 1998 – 2000 Research Assistant, Avian ecology research in Coconino Nat’l Forest, Arizona, and El Rey Parque National, Argentina; Montana Cooperative Wildlife Research Unit, University. of Montana, Missoula;
• 1997 – 1998 Crew leader, Avian habitat use study at Anahuac NWR, Texas; Texas A&M University
• 1997 – 1998 Texas Municipal Power Agency, Texas; waterfowl counts, design and construction of wastewater treatment system.

• Campomizzi, A. J. , S. L. Farrell, T. M. McFarland, H. A. Mathewson, M. L. Morrison, R. N. Wilkins. 2012. Species conservation at a broad spatial scale: reproductive success of golden-cheeked warblers across their breeding range. Wildlife Society Bulletin 36: 440–449.
• Campomizzi, A. J., H. A. Mathewson, M. L. Morrison, C. M. Lituma, T. J. Conkling, M. C. Cocimano, S. L. Farrell, R. N. Wilkins, and J. A. Butcher. 2013. Understanding nest success and brood parasitism in the endangered black-capped vireo: comparisons with two sympatric songbirds. Wilson Journal of Ornithology 125:709–719.
• Cocimano, M. C., M. L. Morrison, H. A. Mathewson, and L. M. Vormwald. 2011. Activity of small mammals as potential nest predators in meadows in the Sierra Nevada, California. Northwestern Naturalist 92:50–56.
• Collier, B. A., J. E. Groce, M. L. Morrison, C. Newnam, A. J. Campomizzi, S. L. Farrell, H. A. Mathewson, R. T. Snelgrove, R. J. Carroll, and R. N. Wilkins. 2012. Predicted patch occupancy in fragmented landscapes at the rangewide scale for an endangered species: an example of an American warbler. Diversity and Distributions: 18:158–167.
• Colón, M. R., R. A. Holden, T. M. McFarland, H. A. Mathewson, and M. L. Morrison. In review. Longevity in golden-cheeked warblers, a new record. Western Birds.
• Conkling, T. J., T. L. Pope, K. N. Smith, H. A. Mathewson, M. L. Morrison, R. N. Wilkins, and J. W. Cain, III. 2012. Black-capped vireo nest predator assemblage and predictors for nest predation. Journal of Wildlife Management 76:1401–1411.
• Klassen, J. A., and H. A. Mathewson. 2015. Occurrence of western scrub-jays (Aphelocoma californica) near forest edges in fragmented golden-cheeked warbler (Setophaga chrysoparia) habitat. Southwestern Naturalist 59:1–5.
• Klassen, J. A., M. L. Morrison, H. A. Mathewson, G. G. Rosenthal, and R. N. Wilkins. 2012. Canopy characteristics affect avian reproductive success of golden-cheeked warblers. Wildlife Society Bulletin 36: 54–60.
• Locatelli, A., H. A. Mathewson, M. L. Morrison. In press. Grazing impacts on brood parasitism of black-capped vireos. Range Ecology and Management.
• Long, A. L., D. S. Finn, J. A. Grzybowski, M. L. Morrison, and H. A. Mathewson. 2014. First documented observation of the federally endangered Golden-cheeked warbler in Oklahoma. Bulletin of the Oklahoma Ornithological Society 47:9–13.
• Long, A. L., H. A. Mathewson, and M. L. Morrison. In review. Tree species composition influences golden-cheeked warbler abundance and territory size. Condor.
• Long, A. L., H. A. Mathewson, D. H. Robinson, J. A. Grzybowski, and M. L. Morrison. In review. Description of black-capped vireo breeding habitat in northcentral Texas. Western Birds.
• Peacock, M.M, M. L. Robinson, T. Walters, H. A. Mathewson, and R. Perkins. 2010. The evolutionary significant unit concept and the role of translocated populations in preserving the genetic legacy of Lahontan cutthroat trout. Transactions of the American Fisheries Society 139:382-395.
• Marshall, M. E., A. M. Long, S. L. Farrell, H. A. Mathewson, M. L. Morrison, C. Newnam, and R. N. Wilkins. 2012. Using impact assessments study designs for addressing impacts to species of conservation concern. Wildlife Society Bulletin 36: 450–456.
• Martin, T. E., R. D. Basser, S. K. Auer, J. J. Fontaine, P. Lloyd, H. A. Mathewson, A. Chalfoun, and A. Niklison. 2006. Geographic variation in egg mass among passerine species: effects of allometry, nest predation, and clutch size. Evolution 60:390-398.
• Mathewson, H. A., J. E. Groce, T. M. McFarland, M. L. Morrison, J.C. Newnam, R. T. Snelgrove, B. A. Collier, and R. N. Wilkins. 2012. Estimating breeding season abundance of golden-cheeked warblers in Texas. Journal of Wildlife Management 76:1117–1128.
• Mathewson, H. A., H. L. Loffland, P. Brussard, and M. L. Morrison. 2013. Breeding ecology of Willow Flycatchers in the Sierra Nevada. Ornithological Monographs 75:1–32.
• McFarland, T. M., J. A. Grzybowski, H. A. Mathewson, and M. L. Morrison. 2015. Presence-only species distribution models to predict suitability over a long-term study for a species with a growing population. Wildlife Society Bulletin 39:218–224.
• McFarland, T. M., H. A. Mathewson, J. Groce, M. L. Morrison, C. Newnam, T. Snelgrove, K. Skow, B. Collier, and R. N. Wilkins. 2012. Utilization of a species distribution model for management and conservation. Wildlife Society Bulletin 36: 432–439.
• McFarland, T. M., H. A. Mathewson, J. E. Groce, M. L. Morrison, and R. N. Wilkins. 2013. A range-wide survey of the endangered black-capped vireo in Texas. Southeastern Naturalist 12:41–60.
• Morrison, M. L., B. A. Collier, H. A. Mathewson, J. E. Groce, and R. N. Wilkins. 2012. The prevailing paradigm as a hindrance to conservation. Wildlife Society Bulletin 36: 408–414.
• Schwertner, T. W., H. A. Mathewson, J. A. Roberson, M. Small, and G. L. Waggerman. 2002. White-winged dove (Zenaida asiatica). In The Birds of North America, No. 710. A. Poole and F. Gill, eds. The Birds of North America, Inc., Philadelphia, PA.
• Vormwald, L. M., M. L. Morrison, H. A. Mathewson, M. C. Cocimano, and B. A. Collier. 2011. Survival and movements of fledgling willow and dusky flycatchers. Condor 113:834–842.

• North America Ornithological Society conference. 2002, 2006, 2012
• American Ornithologist’s Union, annual meetings. 2005, 2008, 2010
• The Wildlife Society, annual meeting. 2003, 2004, 2005, 2006, 2007
• Western Section of the Wildlife Society, annual meetings. 2004, 2005
• Texas Chapter of the Wildlife Society, annual meeting. 2002, 2009, 2010, 2011