Contact Information

Office Address
Applied Ecology
225 David Clark Labs
NC State University
Raleigh, NC 27695

Phone Number

Fax Number


Jaime A. Collazo

Assistant Unit Leader, North Carolina Cooperative Fish and Wildlife Research Unit
Professor, Applied Ecology and Forestry & Environmental Resources (FER)


1985 – Ph.D., Animal Ecology, Iowa State University

Research Interests

Population dynamics and estimation species-habitat relationships endangered species research and management and Gap Analysis

Research interests include avian population dynamics species-habitat relationships predator-prey relationships in wading birds foraging ecology of migratory shorebirds breeding productivity in forest birds and endangered species research and conservation.

Lab Programs

Biodiversity and Spatial Information Center

Web Resources

National Gap Analysis Program
North Carolina Cooperative Fish and Wildlife Research Unit
NC Wildlife Resources Commission
Wildlife Management Institute
U.S. Geological Survey
Fisheries, Wildlife, and Conservation Biology program

Recent Publications (since 2012)

Matechou, E., G. Nicholls, B. J. T. Morgan, J. A. Collazo, and J. E. Lyons. Accepted. Bayesian mixture models for stopover data. Environmental and Ecological Statistics.

Tarr, N. M., M. J. Rubino, J. K. Costanza, A. J. McKerrow, J. A. Collazo, R. C. Abt. Accepted. Projected Gains and Losses of Wildlife Habitat from Bioenergy Induced Landscape Change. GCB Bioenergy.

Costanza, J. K., R. C. Abt, N. M. Tarr, A. J. McKerrow, and J. A. Collazo. Accepted. Bioenergy production and forest landscape change in the southeastern U.S. Global Change Biology: Bioenergy.

Parks, M. A., J. A. Collazo, and K. R. Ramos-Alvarez. In Press. Local movement and residency rates of wintering Semipalmated Sandpipers (Calidris pusilla) among coastal wetlands in southwestern Puerto Rico. Waterbirds 39(3).

Parks, M. A., J. A. Collazo, and K. R. Ramos-Alvarez. 2016. Numbers and Species Composition of Resident and Migratory Shorebirds at the Cabo Rojo salt flats, Puerto Rico (1985-2014). Waterbirds 39(2):204-214.

Irizarry, J. I., J. A. Collazo, and S. J. Dinsmore. 2016. Patch dynamics of resident avian species in three habitat matrices that separate forest reserves in southwestern Puerto Rico. Diversity and Distributions 22:410-421.

Henareh Khalyani, A., W. Gould, E. Harmsen, A. Terando, M. Quinones, and J. Collazo, 2016: Climate change implications for tropical islands: Interpolating and interpreting statistically downscaled GCM projections for management and planning. J. Appl. Meteor. Climatol. doi:10.1175/JAMC-D-15-0182.1. 55:265-282.

Lyons, J. E., J. A. Collazo, and G. Herring. 2015. Benthic Invertebrates, Migratory Shorebirds, and Assumptions for Conservation of Coastal Managed Wetlands. Wetlands Ecology and Management. DOI 10.1007/s11273-015-9477-4, p. 1-14.

Tavernia, B. G., J. E. Lyons, B. Loges, A. Wilson, J. A. Collazo, and M. C. Runge. 2015. An Evaluation of Rapid Methods for Monitoring Wetland Bird Habitats. Wetlands Ecology and Management. 10.1007/s11273-015-9476-5, p. 1-11.

Van Beusekom, A. E., W. Gould, A. Terando, and J. Collazo. 2015. Climate changes and water resources in a tropical island system: predicting hydrology with statistically downscaled climate data. International Journal of Climatology. Journal of Climatology. DOI: 10.1002/joc.4560.

Costanza, J. K, R. C. Abt, A. J. McKerrow and J. A. Collazo. 2015. Linking state-and-transition simulation and timber supply models for forest biomass production scenarios. AIMS Environmental Science Volume 2, Issue 2, 180-202.

Costanza, J. K., A. J. Terando, A. J. McKerrow, J. A. Collazo. 2015. Modeling climate change, urbanization, and fire effects on Pinus palustris ecosystems of the southeastern U.S. Journal of Environmental Management 151:186-199.

Williams, S. G, D. T. Cobb, and J. A. Collazo. 2015. Elk Habitat Suitability Map for North Carolina. Journal of the Southeastern Association of Fish and Wildlife Agencies 2:181–186.

Van Beusekom, A. E., L. E. Hay, R. J. Viger, W. A. Gould, J. A. Collazo, and A. Henareh Khalyani. 2014. The effects of changing land cover on streamflow simulation in Puerto Rico. J. of the American Water Resources Association (JAWRA) 1-19. DOI: 10.1111/jawr.12227.

Terando, A. J, J. Costanza, C. Belyea, R. R. Dunn, A. McKerrow, and J. A. Collazo. 2014. The Southern Megalopolis: Using the Past to Predict the Future of Urban Sprawl in the Southeast U.S. PLOS One 9 (1)| e102261

Hines, J. E., J. D. Nichols, and J. A. Collazo. 2014. Multiseason occupancy models for correlated replicate surveys. Methods in Ecology and Evolution 5:583–591.

Pacifici, K., E. F. Zipkin, J. A. Collazo, J. I. Irizarry, and A. DeWan. 2014. Guidelines for a priori grouping of species in hierarchical community models. Ecology and Evolution 4: 877–888.

Rogers, S. L., J. A. Collazo, and C. A. Drew. 2013. Nest occurrence and survival of King Rails in fire-managed coastal marshes in North Carolina and Virginia. J. Field Ornithology 84:355–366.

Wiewel, A. N. M., S. J. Dinsmore, and J. A. Collazo. 2013. Nest survival and breeding biology of the Puerto Rican Bullfinch (Loxigilla portoricensis) in southwestern Puerto Rico. The Wilson Journal of Ornithology 125: 720-730.

Collazo, J. A., P. F. Fackler, K. Pacifici, T. H. White, and I. Llerandi-Roman. 2013. Optimal allocation of captive-reared Puerto Rican parrots: Decisions when divergent dynamics characterize managed populations. The Journal of Wildlife Management 77:1124–1134.

Matechou, E., B.J.T. Morgan, S. Pledger, J.A. Collazo and J.E. Lyons. 2013. Integrated analysis of capture-recapture-resighting data and counts of unmarked birds at stop-over sites. Journal of Agricultural, Biological, and Environmental Statistics 17(4): DOI: 10.1007/s13253-013-0127-0.

Rogers, S. L., J. A. Collazo, and C. A. Drew. 2013. King Rail (Rallus elegans) Occupancy and Abundance in Fire Managed Coastal Marshes in North Carolina and Virginia. Waterbirds 36:179-188.

Obernuefemann, Kelsey P., J. A. Collazo, and J. E. Lyons. 2013. Local movements and wetland connectivity at a migratory stopover of Semipalmated Sandpipers in southeastern United States. Waterbirds 36: 62-74.

Iglecia, M. N., J. A. Collazo, and A. J. McKerrow. 2012. Use of occupancy models to evaluate expert and knowledge-based species-habitat relationships. Avian Conservation and Ecology 7(2):4 online.

Veran, S., K. J. Kleiner, R. Choquet, J. A. Collazo, and J. D. Nichols. 2012. Modeling habitat dynamics accounting for possible misclassification. Landscape Ecology 27:943-956.

Costanza, J. K., J. Hulcr, F. H. Koch, T. Earnhardt, A. J. McKerrow, R. R. Dunn, and J. A. Collazo. 2012. Simulating the effects of the southern pine beetle on regional dynamics 60 years into the future. Ecological Modelling 244:93-103.

Borkhataria, R. R, P. C. Frederick, R. A. Keller, and J. A. Collazo. 2012. Temporal variation in local wetland hydrology influences postdispersal survival of juvenile wood storks (Mycteria Americana). Auk 129:1-12.

Stolen, E.D., J, A. Collazo, and H. Franklin Percival. 2012. Benefits and costs in group foraging wading birds. Condor 114:744–754.

Borkhataria, R. R., J. A. Collazo, and M. J. Groom. 2012. Species abundance and potential biological control services in shade vs. sun coffee in Puerto Rico. Agriculture, Ecosystems & Environment 151:1-5.

Schwarzer, A. C., J. A. Collazo, L. J. Niles, J. M. Brush, N. J. Douglass, and H. Franklin Percival. 2012. Annual survival of Red Knots (Calidris canutus rufa) wintering in Florida. The Auk 129(4):725−733.

Borkhataria, R., J. A.Collazo, M. J.Groom, A. Jordan-Garcia. 2012. Shade-grown coffee in PuertoRico:Opportunities to preserve biodiversity while reinvigorating a struggling agricultural commodity. Agriculture, Ecosystems and Environment 149:164– 170

Publications (2000-2011)

Lombard, C. D., J. A. Collazo, and Douglas B. McNair. 2010. Nest and chick survival and colony dynamics of Least Terns in the US Virgin Islands. Condor 112:56–64

Collazo, J. A., J. F. Gilliam, and L. Miranda-Castro. 2010. Functional Response Models to Estimate Feeding Rates of Wading Birds. Waterbirds 33: 33-40.

Stolen, E. D., J. A. Collazo, and H. Franklin Percival. 2009. Vegetation Effects on Fish Distribution in Impounded Salt Marshes. Southeastern Naturalist 8:503-514.

Herring, G. and J. A. Collazo. 2009. Site characteristics and prey abundance at foraging sites used by Lesser Scaup (Aythya affinis) wintering in Florida. Southeastern Naturalist 8:363-374.

Lyons, J. E., J. A. Collazo and C. G. Guglielmo. 2008. Plasma Metabolites and Migration Physiology of Semipalmated Sandpipers:Refueling performance at five latitudes. Oecologia 155:417-427.

Aukema, J. E, T. A. Carlo, and J. A. Collazo. 2007. Landscape assessment of tree communities in the northern karst region of Puerto Rico. Plant Ecology 189:101-115.

Rice, S. M., J. A. Collazo, M. W. Alldredge, B. A. Harrington, and A. R. Lewis. 2007. Local annual survival and seasonal residency rates of Semipalmated Sandpipers in Puerto Rico. Auk 124:1397-1406.

Stolen, E. D., J. A. Collazo and H. F. Percival. 2007. Scale-Dependent Habitat Selection of Nesting Great Egrets and Snowy Egrets. Waterbirds 30:384-393.

Podolsky, A. L., T. R. Simons, and J. A. Collazo. 2007. Modeling population growth of the ovenbird in the southern appalachians. Auk 124:1359-1372.

Herring, G. and J. A. Collazo. 2007. Lesser Scaup winter foraging and nutrient reserve acquisition in east-central Florida. Journal of Wildlife Management 70:1682-1689.

Alldredge, M. W., K. H. Pollock, T. R. Simons, J. A. Collazo and S. A. Shriner. 2007. Time of detection method for estimating abundance from point count surveys. Auk 124:653-664.

White, T. H., G. G. Brown, and J. A. Collazo. 2006. Artificial cavities and nest-site selection by Puerto Rican Parrots: a multiscale assessment. Avian Conservation and Ecology 1 (3): 5 [online] URL: http://www.ace-eco.org/vol1/iss3/art5/

Allen, J. C., S. M. Krieger, J. R. Walters, and J. A. Collazo. 2006. Associations of breeding birds with fire-influenced and riparian-upland gradients in a longleaf pine ecosystem. Auk 123:1110-1128.

Gleffe, J. D., J. A. Collazo, M. J. Groom, and L. Miranda-Castro. 2006. Avian reproduction and the value of shaded coffee plantations. Ornitología Neotropical 17:271-282.

Borkhataria, R. R, J. A. Collazo and M. J. Groom. 2006. Additive effects of vertebrate predators on insects in a Puerto Rican coffee plantation. Ecological Applications 16:696-703.

Rivera-Milan, F. F., J. A. Collazo, C. Stahala, W. J. Moore, A. Davis, G. Herring, R. Pagliaro, J. L. Thompson, and W. Bracey. 2005. Estimation of density and population size and recommendations for monitoring trends of Bahama parrots on Great Abaco and Great Inagua. The Wildlife Society Bulletin 33:823-834.

White, T. H., Jr., J. A. Collazo, F. J. Vilella, and S. A. Guerrero. 2005. Effects of hurricane Georges on habitat use by captive-reared Hispaniolan Parrots (Amazona ventralis) released in the Dominican Republic. Ornitología Neotropical 16:405-417.

Herring, G. and J. A. Collazo. 2005. Habitat Use, Movements and Home Range of Wintering Lesser Scaup in Florida. Waterbirds 28:71-78.

White, T. H., Jr., J. A. Collazo, and F. J. Vilella. 2005. Survival of captive-reared Puerto Rican Parrots released in the Caribbean National Forest. Condor 107:424-432.

Herring, G. and J. A. Collazo. 2005. Winter survival of Lesser Scaup in east-central Florida. J. Wildlife Management 68:1082-1087.

Saracco, J.F., J.A. Collazo, M.J. Groom, and T.A. Carlo. 2005. Crop Size and Fruit Neighborhood Effects on Bird Visitation to Fruiting Schefflera morototoni Trees in Puerto Rico. Biotropica 37:81-87.

Carlo, T.A., J.A. Collazo and M.J. Groom. 2004. Avian Foraging in Shaded Coffee Plantations: Influence of Fruit Abundance, Plant Species Composition, and Conservation Implications. Biotropica 36:602-614..

Saracco, J.F., J.A. Collazo, and M.J. Groom. 2004. How do frugivores track resources? Insights from spatial analyses of birds foraging in a Puerto Rican forest. Oecologia 139:231-245.

Collazo, J. A., T. H. White, Jr., F. J. Vilella, and S. A. Guerrero. 2003. Survival of captive-reared Hispaniolan Parrots released in

Tripp, K. J. and J. A. Collazo. 2003. Density and distribution of water boatmen and brine shrimp at a major shorebird wintering area in Puerto Rico. (Wetlands Ecology and Management 11:331-341.

Carlo, T. A., J. A. Collazo and M. J. Groom. 2003. Avian fruit preference and seed dispersal effectiveness: A view of landscape variation of bird-plant interactions. Oecologia 134:119-131.

Dinsmore, S. J. and J. A. Collazo. 2003. The influence of body condition on local apparent survival of spring migrant Sanderlings in coastal North Carolina. Condor 105:465-473.

Collazo, J. A., D. A. O’harra, and C. A. Kelly. 2002. Accessible habitat for shorebirds: factors influencing its availability and conservation implications. Waterbirds 25 (Special Publication 2): 13-24.

Collazo, J. A. and G. Bonilla-Martinez. 2001. Population size, survival, and movements of White-cheeked Pintails in eastern Puerto Rico. Caribbean J. Science 37:194-201.

Sallabanks, R., J. R. Walters and J. A. Collazo. 2000. Breeding bird abundance in bottomland hardwood forests: habitat, edge, and patch size effects. Condor 102:748-758.

In Review (submitted)

Laber, E. B, N. J. Meyer, B. J. Reich, K. Pacifici, J. A. Collazo, and J. Drake. In Review. On-line estimation of an optimal treatment allocation strategy for the control of white-nose syndrome in bats. The Royal Statistical Society.

Pacifici, J. K., B. J. Reich, D. A.W. Miller, B. Gardner, G. Stauffer, S. Singh, A. McKerrow, and J. A. Collazo. In Review. Integrating multiple data sources in species distribution modeling: a framework for data fusion. Ecology.

Pickens, B. A., J. F. Marcus, J. P. Carpenter, S. Anderson, P. J. Taillie, and J. A. Collazo. In Review. The Effect of Urban Growth on Landscape Restoration of a Fire-dependent Bird. Biodiversity and Conservation.

Pickens, B. A., R. S. Mordecai, C. A. Drew, L. B. Alexander-Vaughn, A. S. Keister, H. L.C. Morris, and J. A. Collazo. In Review. Indicator-driven Conservation Planning across Terrestrial, Freshwater Aquatic, and Marine Ecosystems of the South Atlantic, USA. J. of Fish and Wildlife.

Henareh Khalyani, A., W. A. Gould, and J. A. Collazo. In Review. Temporal stationarity in location suitability: a requirement for the empirically fitted spatially explicit models of land use and land cover change. Journal of Land Use Science.

Chapters (Peer-reviewed)

Terando, A.J., B. Reich, K. Pacifici, J. Costanza, A. McKerrow, and J. Collazo, 2016: Uncertainty quantification and propagation for projections of extremes in monthly area burned under climate change: A case study in the coastal plain of Georgia, USA. In Press. Invited chapter for AGU Monograph Series: Characterizing Uncertainties in Natural Hazard Modeling. Hoboken, NJ, John Wiley & Sons. P. Webley, K. Riley, M. Thompson, A. Patra, and M. Bursik, Eds.

White, T. H., Jr., J. A. Collazo, S. J. Dinsmore, and I. Llerandi-Roman. 2014. Niche restriction and conservatism in a neotropical psittacine: the case of the Puerto Rican parrot. In Habitat Loss: Causes, Impacts on Biodiversity and Reduction Strategies. NovaSciencePublishers, Inc., Hauppauge NY.

Drew, C. A. and J. A. Collazo. 2011. Expert knowledge as a foundation for management of secretive species and their habitat (Chapter 5). Perera A.H., Drew C.A., and Johnson C,J. (eds), Expert Knowledge and its Application in Landscape Ecology. Springer, New York.

Pledger, S., M. Efford, K. Pollock, J. Collazo and J. Lyons. 2009. Stopover duration analysis with departure probability dependent on unknown time since arrival. Pages 349-364 In Modeling Demographic Processes in Marked Populations, D. L. Thompson, E. G. Cooch, and M. J. Conroy (eds). Environmental and Ecological Statistics Series: Volume 3. Springer, NY.

Collazo, J. A., M. J. Groom, S. M. Haig, T. H. White, and B. D. Muizniecks. 2005. In the eye of the hurricane: efforts to save the Puerto Rican Parrot. Essay 15.5, Pp. 586-589 of Chapter 15: Restoration of Damaged Ecosystems and Endangered Populations, in M. J. Groom, G. K. Meffe, and C. R. Carroll (editors). Principles of Conservation Biology, 3rd edition, Sinauer Associates, Sunderland, MA.

Collazo, J. A., J. E. Saliva, and J. Pierce. 2000. Status of Caribbean Brown Pelicans. Edited by David C. Lee and Elizabeth A. Schreiber. Society of Caribbean Ornithology, Special Pub. No. 1. Pages. 39-45.

Hochachka, W.M., T.E. Martin, V. Artman, C.R. Smith, S.J. Heijl, D.E. Anderson, D. Curson, L. Petit, N. Mathews, T. Donovan, E.E. Klaas, P.B. Wood, J.C. Manolis, K.P. McFarland, J.V. Nichols, J.C. Bednarz, D.M. Evans, J.P. Duguay, S. Garner, J. Tewksbury, K.L. Purcell, J. Faaborg, C.B. Goguen, C. Rimmer, R. Dettmers, M. Knutson, J.A. Collazo, L. Garner, D. Whitehead, G. Geupel. 1999. Scale Dependence in the effects of forest coverage on parasitism by brown-headed cowbirds. Studies in Avian Biology 18:80-88.

Simons, T., K. N. Rabenold, D. A. Buehler, J. Collazo, and K. E. Franzreb. 1997. The Role of Indicator Species: Neotropical Migratory Song Birds. Ecosystem Management for Sustainability. Edited by John D. Peine. St. Lucie Press, Fl.

Reports (Peer-reviewed)

Costanza, J., S. Beck, M. Pyne, A. Terando, M. Rubino, R. White, and J. Collazo. 2016. Assessing climate-sensitive ecosystems in southeastern U.S. Open-file Report 1073, Southeast Climate Science Center, Raleigh, NC.

Drew, C. A., J. J. Stocking, and J. A. Collazo. 2015. Strategic Decision Planning for Endangered Species Recovery in Puerto Rico. Final Report, United States Fish and Wildlife Service, Caribbean Ecological Services Field Office, Puerto Rico.

Alexander-Vaughn, L. B., J. A. Collazo, and C. A. Drew. 2014. Strategic Conservation Planning for the Eastern North Carolina/Southeastern Virginia Strategic Habitat Conservation Team. Technical Bulletin 336, North Carolina Cooperative Extension Service, North Carolina Agricultural Research Service, College of Agriculture and Life Sciences, North Carolina State University. Raleigh, NC.

Drew, C. A. and J. A. Collazo. 2014. Bayesian networks as a framework to step-down and support Strategic Habitat Conservation of data-poor species: A case study with King Rail (Rallus elegans) in Eastern North Carolina and Southeastern Virginia. Prepared for the United States Fish and Wildlife Service, Raleigh Field Office, North Carolina.

Terando, A., S. Traxler, and J. Collazo. 2014. Landscape and climate science and scenarios for Florida: A workshop sponsored by the Peninsular Florida Landscape Conservation Cooperative and North Carolina State University. USGS Open File Report 2014-1150.

Drew, C.A., L. B. Alexander-Vaughn, J. A. Collazo, A. McKerrow, and J. Anderson. 2013. Developing an Outcome-based Biodiversity Metric in Support of the Field to Market Project. Technical Bulletin 334, North Carolina Agricultural Research Service, College of Agriculture and Life Sciences, North Carolina State University. 31pp. http://www.basic.ncsu.edu/eda/projects.html#Biodiversity

Drew, C. A., J. A. Collazo, L. B. Alexander, J. P. Reid, and D. H. Slone. 2013. Science Summary in Support of Manatee Protection Area Design in Puerto Rico. Technical Bulletin 330, North Carolina Agricultural Research Service, College of Agriculture and Life Sciences, North Carolina State University. 67pp. PDF

Published Proceedings

Epperly, S. P., J. Braun and J. A. Collazo. 1996. Application of sonic telemetry for identification of critical habitat of sea turtles. Pages 84-87 in Proceedings of the Fifteenth Anual Workshop on Sea Turtle Biology and Conservation. NOAA Technical Memorandum NMFS-SEFSC-387. 355 pp.

Miranda, L. and J. A. Collazo. 1995. Wading bird predation in mangrove swamps in Puerto Rico: implications for juvenile snook and tarpon population dynamics. Proceedings of the XX Symposium of Natural Resources. Department of Natural Resources and the Environment, San Juan, Puerto Rico. November 22-23, 1994.

Zeller, N. and J. A. Collazo. 1993. Abundance and habitat use of overwintering songbird and woodpecker communities along the Roanoke River, North Carolina. Pages 64-65 in Rulifson, R. A. and C. S. Manooch, III (eds.). 1993. Roanoke River Water Flow Committee Report for 1991-1993. Albemarle-Pamlico Estuarine Study, Raleigh, NC, Project No. APES 93-18.

Collazo, J. A. 1993. Gap Analysis: Mapping biodiversity in North Carolina and Conservation implications for the Roanoke River. Proceedings of the Roanoke River Wildlife Management Workshop. August 10-12, 1993. (abstract only)

Collazo, J. A. 1989. Effects of exotics and introductions on native species: consequences of natural range expansion. Pages 84-88 in Proc. Nongame Migratory Bird Workshop, November, 1989, Atlanta, GA.

Howe, M. A. and J. A. Collazo. 1989. Census and survey techniques for shorebirds. Pages 168-174 in Proc. Nongame Migratory Bird Workshop, November, 1989, Atlanta, GA.

Furniss, S. and J. A. Collazo. 1983. Recent avian records for the Culebra archipelago, Puerto Rico. Pages 115-121 in Memorias del 4to Simposio sobre la Fauna de Puerto Rico, Universidad de Puerto Rico, Colegio Universitario de Humacao. Septiembre, 1982.