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Jerry R. Longcore

USGS Patuxent Wildlife Research Center
5768 South Annex A
Orono, ME  04469-5768

Photo of Jerry R. Longcore

Telephone: 207-581-2874

Fax: 207-581-3783


Emeritus Biologist/Volunteer

Primary Responsibilities: 

Masters of Wildlife Management, University of Michigan, 1963 
Bachelor of Science, University of Michigan, 1961     

Areas of Expertise/Interest: Waterfowl ecology, American black duck, American woodcock, wetlands, contaminants (lead, mercury), effects of the chytrid fungus on amphibians
Performance Award- for performance exceeding job requirements, 1995
Certificate, recognition of 30 years of U.S. Government service, 1996

Past Projects: 
Effect of hunting on survival and habitat use by American woodcock (Scolopax minor) on breeding and migration areas

Incidence and distribution of chytridiomycosis in road-killed amphibians at National Wildlife Refuges in the Northeast and on Maine routes of the NAAMP

Variables affecting the black duck decline and current status of black ducks and mallards in southern Ontario 

Breeding bird surveys at Northeast Creek and Bass Harbor, Acadia National Park 

Effects of impoundment management on vegetative change at Moosehorn National Wildlife Refuge wetlands

Response of avian communities to forest management on Moosehorn NWR

Adaptive management and assessment of habitat changes on migratory birds

Mercury in tree swallows and feathers of other species that line tree swallow nests at Acadia National Park, Maine

Bioavailability and potential effects of mercury and other selected trace metals on biota in Plow Shop and Grove Pond, Fort Devens, MA

Survival of American Woodcock (Scolopax minor) during fall migration


Longcore, J.R., R.Dineli, and T.A. Haines. 2007.   Mercury and growth of tree swallows at Acadia National Park, Mt. Desert Island, and at Orono, ME. Environmental Monitoring and Assessment.   126: 117-127. (DOI 10.107/s10661-06-9325-3)

Longcore, J.R., J.E. Longcore, A.P. Pessier, and W.A. Halteman.  2007.   Chytridiomycosis widespread in anurans of northeastern United States.  Journal of Wildlife Management 71(2): 435-444.
Hierl, L., C.S. Loftin, J.R. Longcore, D.G. McAuley, and D.L. Urban.  2007.  A multivariate assessment of changes in wetland habitat for waterbirds at Moosehorn National Wildlife Refuge, Maine, USA.  Wetlands   27(1): 141-152.

Longcore, J.R., T. A. Haines, and W. A. Halteman.  2007.  Mercury in tree swallow food, eggs, bodies, and feathers at Acadia National Park, Maine, and an EPA Superfund site, Ayer, Massachusetts. Environmental Monitoring and Assessment. 126:129-143.     (DOI 10.1007/s10661-006-9326-2)

Longcore, J.R., D.G. McAuley, G.W. Pendelton, C.R. Bennatti, T.M. Mingo, and K.L. Stromborg.  2006.  Macroinvertebrate abundance, water chemistry, and wetland characteristics affect use of wetlands by avian species in Maine. Special Issue of Hydrobiologia. A.R. Hanson & J.J. Kerekes (eds), Limnology and Aquatic Birds. 567: 143-167.    (DOI 10.1007/s10750-006-0055-x)

Woodcock, T.S., J.R. Longcore, D.G. McAuley, T. M. Mingo, C. Reid Bennatti, and K. L. Stromborg.  2005.  The role of pH in structuring communities of Maine wetland macrophytes and chironomid larvae (Diptera).  Wetlands 25(2): 306-316.

McAuley, D.G., J.R. Longcore, D.A. Clugston, R.B. Allen, A. Weik, S.J. Williamson, J. Dunn, W. Palmer, K. Evans, W. Staats, G.F. Sepik, and W. Halteman. 2005. Effects of hunting on survival of American woodcock in the Northeast. Journal of Wildlife Management 69(4): 1565-1577.

Longcore, J.R. and D.G. McAuley. 2004. Extraordinary size and survival of American black duck, Anas rubripes, broods. Canadian Field-Naturalist 118(1): 129-131.

Longcore, J.R. 2002. American black duck summer range versus winter range: a dichotomy of riches. Pages 7-11 in Black Ducks and Their Chesapeake Bay Habitats: Proceedings of a Symposium. M.C. Perry (ed.), U.S. Geological Survey, Biological Resources Discipline, Information and Technology Report, USGA/BRD/ITR—2002-0005, 44p.

Haines, T.A., and J.R. Longcore.  2001. Bioavailability and potential effects of mercury and selected other trace metals on biota in Plow Shop and Grove Ponds, Fort Devens, Massachusetts.  Final Report to U.S. Environmental Protection Agency, Region 1, Boston, MA.  (April 30, 2001).  22 pp. + tables and figures. 

Longcore, J. R., D.G. McAuley, G.F. Sepik, and G.W. Pendleton. 2000.  Survival of female American woodcock breeding in Maine.  Pages 65-76 in Proceedings of the Ninth American Woodcock Symposium. D.G. McAuley, J.G. Bruggink, and G.F. Sepik, editors.  U.S. Geological Survey, Biological Resources Division Information and Technology Report USGS/BRD/ITR-2000-0009, Patuxent Wildlife Research Center, Laurel, Maryland. 117 pp. 

Longcore, J.R., D.G. McAuley, G.R. Hepp, and J.M. Rhymer. 2000. American Black Duck (Anas rubripes). In The Birds of North America, No. 481 (A. Poole and F. Gill, eds.)  The Birds of North America, Inc., Philadelphia, PA. 

Longcore, J.R., D.G. McAuley , D.A. Clugston, C.M. Bunck, J-F. Giroux, C. Ouellet, G.R. Parker, P. Dupuis, D.B. Stotts, and J.R. Goldsberry. 2000. Survival of American black ducks radiomarked in Quebec, Nova Scotia, and Vermont. Journal of Wildlife Management 64:238-252. 

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