Below are my
publications on seabirds, to view a complete list of my
publications please click
Hu, D., G.E. Ackerman, C.S. Natividad Bailey,
D.C. Duffy and D.C. Schneider. July 2015. Hawaiian Petrel Monitoring
Protocol - Pacific Island Network
Duffy, D.C., A. McKnight and D.B. Irons.
June 2013. Trans-Andean passage of migrating Arctic Terns over
Patagonia. Marine Ornithology.41:155-159
McKnight, A., A.J. Allyn and D.C. Duffy. 2013.
Stepping stone pattern in Pacific Arctic tern
migration reveals the importance of upwelling areas. Mar Ecol
Prog Ser. 491:253-264
Duffy, D.C. 2010. Changing Seabird Management
in Hawaii: From Exploitation through
Management to Restoration. Waterbirds. 33(2):193-207
Duffy, D.C. and L. Elliott. 2010. Oil and
Hawaiian Seabirds. Elepaio.
Young, L.C., C. Vanderlip, D.C. Duffy,
V. Afanasyev and S.A. Shaffer. 2009. Bringing Home the Trash: Do
Colony-Based Differences in Foraging Distribution Lead to Increased
Plastic Ingestion in Laysan Albatrosses? PLoS ONE 4(10): e7623.
Hebshi, A., D.C. Duffy and K.D.
Hyrenbach. 2008. Associations between seabirds and subsurface
predators around Oahu, Hawaii. Aquatic Biology. 4: 89-98
Wilson, R.P., D.C. Duffy, M.P.
Wilson and B. Araya. 1995. Aspects of the ecology of
species replacement in Humbolt and Magellanic penguins in Chile.
Le Gerfaut.85: 49-61
Duffy, D.C. 1995. Why is the Double-crested
Cormorant a Problem? Insights from Cormorant Ecology and Human
Sociology. Colonial Waterbirds. 18 (Special
Publication 1): 25-32
Duffy, D.C. and Schneider. 1994. Seabird-fishery interactions: a manger's guide. In D. N. Nettleship, J. Burger and M. Gochfeld
on islands : threats, case studies and action plans : proceedings of
the Seabird Specialist Group Workshop held at the XX World Conference
of the International Council for Bird Preservation, University of Waikato, Hamilton, New Zealand, 19-20 November 1990.
Duffy, D.C. 1994. Afterwards: an agenda for
managing seabirds and islands.
BirdLife Conservation Series. 1: 311-318
Duffy, D.C. 1994. The guano islands of
Peru: the once and future management of a renewable resource.
BirdLife Conservation Series. 1: 68-76
Duffy, D.C. 1992. Biodiversity and
Research on Seabirds. Colonial Waterbirds.15(1): 155-
Duffy, D.C. 1991. Field Studies of
Spheniscus Penguins. Spheniscus Penguin Newsletter. Pages
Duffy, D.C. 1990. Seabirds and the 1982-1984 El Nino/Southern
Oscillation. IN Glynn, P. W. ED. Global
ecological consequences of the 1982/83 El Nino Southern Oscillation. Elsevier. pp. 395-415
Duffy, D.C. 1989. William Vogt: a pilgrim on
the road to survival. American Birds. New Series. 43 (9):
Wilson, R.P., M.P. Wilson, D.C.
Duffy, M.B. Araya and N. Klages. 1989. Diving behavior
and prey of the Humboldt penguin (Spheniscus humboldti). Journal-fuer-orthnithologie.
Duffy, D.C. 1989. Seabird
foraging aggregations: a comparison of two southern upwellings.
Colonial Waterbirds. 12(2): 164-179
Duffy, D. C. and Wissel. 1988.
Models of fish school size in relation to environmental
Ecological Modeling. 40: 201-211
Wilson, R.P., M.T. Wilson and D.C. Duffy. 1988.
Contemporary and Historical Patterns of African Penguin Spheniscus
demersus: Distribution at Sea . Estuarine, Coastal and Shelf
Science. 26: 447-458
Duffy, D. C. 1988. Predator-prey interactions between common terns and butterfish. Ornis Scandinavica. 19: 160-163
Schneider, D.C., D.C. Duffy and G.L.
Hunt, Jr. 1988. Cross-shelf gradients in the abundance of pelagic
IN Ouellet, H. (Ed.) Acta XIX Congressus
Internationalis Ornithologici Volume I. Published for National
Museum of Natural Sciences by University of Ottawa Press. pp.
Duffy, D. C., Heseltine and La Cock. 1988. Food size and aggressive interactions between two species
of gulls: an experimental approach to resource partitioning. Ostrich. 58: 164-167
Duffy, D.C., W.R. Siegfried and S.
Jackson. 1987. Seabirds as consumers in the southern Benguela
region. S. Afr. J. Mar. Sci.5: 771-790
Duffy, D.C., F.S. Todd and W.R.
Siegfried. 1987. Submarine foraging behavior of Alcids in an
artificial environment. Zoo Biology. 6: 373-378
Walter, C.B., D.C. Duffy, J. Cooper and W. Suter. 1987. Cape anchovy in swift tern diets and fishery landings in the Benguela
upwelling region, South Africa. South African Journal of Wildlife
Research. 17(4): 139-142
Duffy, D.C., R.P. Wilson, and M.P.
Wilson. 1987. Spatial and temporal change in the diet of the Cape
cormorant off the coast of Southern Africa. The Condor. 89:
Duffy, D.C. and W.R. Siegfried. 1987. Historical variations in food
consumption by breeding seabirds of the Humboldt and Benguela
IN Croxall, J. P. (Ed.) Seabirds: feeding biology and
role in marine ecosystems. Cambridge University Press. pp.
Duffy, D.C. 1986. Seabird densities and aggregations
during the 1983 El Nino in the Galapagos Islands. Wilson
Bulletin. 98 (4): 588-591
Duffy, D.C. 1986. Foraging at patches: interactions between Common
Terns. Ornis Scandinavica 17:47-52
Duffy, D.C. and S. Jackson. 1986. Diet studies of seabirds: A review
of methods. Colonial Waterbirds.
Wilson, R.P. and D.C. Duffy. 1986. Short Note. Prey seizing in
African penguins Spheniscus demersus. Ardea.
Duffy, D.C. and Graeme D. LaCock. 1985.
Partitioning of nesting space among seabirds of the Benguela
upwelling region. Ostrich56: 186-201.
Duffy, D.C. and Percy Fitzpatrick. Spring 1985.
A penguin puzzle. Quagga 11: 8-9.
David C. Schneider, D.C. and D.C.
Duffy. 1985. Scale-dependent variability in seabird abundance.
Marine Ecology Progress Series.
R. C. Laugksch & D.C. Duffy. 1984.
Energetics equations and food consumption of seabirds in two marine
upwelling areas: comparisons and the need for standardization,
South African Journal of Marine Science, 2:1, 145-148
Duffy, D.C. Coppelia Hays and Manuel A. Plenge.
1984. The Conservation Status of Peruvian Seabirds. ICBP
Technical Publication No. 2: 245-259
Duffy, D.C. and Mario Hurtado. 1984. The
Conservation and Status of Seabirds of the Ecuadorian Mainland.
ICBP Technical Publication No. 2: 231-236
Duffy, D.C. July 1983. Competition for nesting space among Peruvian
guano birds. The Auk. 100: 680-668
Duffy, D.C. 1981. A master plan for ornithology
in the Galapagos Islands. Noticias de Galapagos34:
Duffy, D.C. and R.E. Ricklefs. 1981.
Observations on Growth of Blue-footed Boobies and Development of
Temperature Regulation in Peruvian Guano Bird. Journal of Field
Ornithology. 52 (4):
Duffy, D.C. N. Atkins and D.C. Schneider. 1981.
Do shorebirds compete on their wintering grounds? Auk. 98:
Duffy, D.C. October 1979. Human Disturbance and Breeding Birds.
96 (4): 815-816
Duffy, D.C. 1977. Incidence of Oil Contamination on Breeding Common
Bird-Banding. 48 (4): 170-171
Duffy, D.C. October 1977. Breeding Populations of Terns and Skimmers
on Long Island Sound and Eastern Long Island: 1972-1975.
Proceedings of the Linnaean Society of New York for three years
ending March 1977: 1-48
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