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Phalacrocorax auritus (Double-crested Cormorant)

Citation:

Recent population size, trends, and limiting factors for the double‐crested cormorant in western North America.

Author(s)
Adkins, J.Y., Roby, D.D., Lyons, D.E., Courtot, K.N., Collis, K., Carter, H.R., Shuford, W.D. and Capitolo, P.J.
Issue
7
Volume
78
Exposure Endpoint Type Endpoint Value Endpoint Description Type
Population Density See citation Breeding pairs/location Exposure Factor Datasets
Citation:

Double-crested cormorants during the chick-rearing period at a large colony in Southern Ontario: analyses of chick diet, feeding rates and foraging directions.

Author(s)
Andrews, D.W., Fraser, G.S. and Weseloh, D.V.
Issue
sp1
Volume
35
Exposure Endpoint Type Endpoint Value Endpoint Description Units Sex Life Cycle Stage Location Type
Dietary Composition 2006: >93% alewife, 2007: 86.5%; balance made up of round goby, rainbow smelt, pumpkinseed Chick diet % by mass B Adult Tommy Thompson Park, Lake Ontario Exposure Factor Datasets
Citation:

Reproductive success of colonial tree-nesting waterbirds in Prairie Pothole Wetlands and rivers throughout Northeastern South Dakota.

Author(s)
Baker, N.J., Dieter, C.D. and Bakker, K.K.
Issue
1
Volume
174
Exposure Endpoint Type Endpoint Value Endpoint Description Units Sex Life Cycle Stage Location Sample Size Type
Clutch or Litter Size 2008: 1.79 ± 0.03, 2009: 1.96 ± 0.02 Brood size Number of hatchlings NR Hatchling Northeast SD 2008: 493 nests, 2009: 559 nests Exposure Factor Datasets
Time of Hatching or Parturition 2008: June 4, 2009: May 29 Earliest hatch date Hatchling Northeast SD 2008: 493 nests, 2009: 559 nests Exposure Factor Datasets
Hatching Success 2008: 49.5% [45.9-52.9 (95% CI)], 2009: 59.4% [55.8-63.1 (95% CI)] Fledge success Hatchling Northeast SD 2008: 28, 2009: 25 Exposure Factor Datasets
Citation:

Monitoring Colonial Nesting Birds in Estero Bay Aquatic Preserve.

Author(s)
Clark, C.P. and Leary, R.E.
Issue
2
Volume
76
Exposure Endpoint Type Endpoint Value Endpoint Description Life Cycle Stage Location Type
Population Density See citation Figure 2 Active nests/11,000 ha Adult Estero Bay Aquatic Preserve Exposure Factor Datasets
Citation:

Colony size and diet composition of piscivorous waterbirds on the lower Columbia River: implications for losses of juvenile salmonids to avian predation.

Author(s)
Collis, K., Roby, D.D., Craig, D.P., Adamany, S., Adkins, J.Y. and Lyons, D.E.
Issue
3
Volume
131
Exposure Endpoint Type Endpoint Value Endpoint Description Units Sex Life Cycle Stage Location Sample Size Type
Dietary Composition Herring, shad: 0.6, Peamouth/Pikeminnow: 24.0, Sucker: 5.8, Smelt: 0.3, Salmonid: 45.5, Stickleback: 5.0, Sculpin: 8.0, Surfperch: 0.3, Flounder: 8.5, Other: 1.8 Percent by mass from adult foregut and chick regurgitation samples % NR Both Adults and Juveniles Rice Island/Channel Markers 206 Exposure Factor Datasets
Dietary Composition Herring, shad: 27.8, Peamouth/Pikeminnow: 0.7, Sucker: 4.7, Smelt: 7.6, Salmonid: 15.9, Stickleback: 2.1, Sculpin: 9.2, Surfperch: 7.3, Flounder: Pacific sand lance: 1.8, Flounder: 9.8 Other: 1.3 Percent by mass from adult foregut and chick regurgitation samples % NR Both Adults and Juveniles East Sand Island 128 Exposure Factor Datasets
Citation:

Spatial and temporal comparisons of double-crested cormorant diets following the establishment of alewife in Lake Champlain, USA.

Author(s)
DeBruyne, R.L., DeVault, T.L., Duerr, A.E., Capen, D.E., Pogmore, F.E., Jackson, J.R. and Rudstam, L.G.
Volume
38
Exposure Endpoint Type Endpoint Value Endpoint Description Units Type
Dietary Composition Cyprinid, Lepomis spp., rainbow smelt, rock bass, white perch, yellow perch Percent by number before alewife eastablishment % Exposure Factor Datasets
Dietary Composition Alewife ,cyprinid, Lepomis spp., rainbow smelt, rock bass, white perch, yellow perch Percent by number after alewife eastablishment % Exposure Factor Datasets
Citation:

Analysis of prey selection by double-crested cormorants: A 15-year diet study in Oneida Lake, New York.

Author(s)
DeBruyne, R.L., Coleman, J.T., Jackson, J.R., Rudstam, L.G. and VanDeValk, A.J.
Issue
2
Volume
142
Exposure Endpoint Type Endpoint Value Endpoint Description Units Location Type
Dietary Composition See citation Percent by number % Lake Oneida Exposure Factor Datasets
Dietary Composition See citation Percent by number % Lake Oneida Exposure Factor Datasets
Citation:

Double-crested Cormorants (Phalacrocorax auritus) of Leech Lake, Minnesota: Temporal Variation of Diets and Assessment of Differential Prey Selection in Adults.

Author(s)
Hundt, P.J., Simons, A.M. and Pereira, D.L.
Issue
2
Volume
169
Exposure Endpoint Type Endpoint Value Endpoint Description Sex Life Cycle Stage Type
Dietary Composition See citation Percent composition and biomass B Adult Exposure Factor Datasets
Dietary Composition See citation Percent composition and biomass B Chick Exposure Factor Datasets
Citation:

From yellow perch to round goby: A review of double-crested cormorant diet and fish consumption at Three St. Lawrence River Colonies, 1999–2013.

Author(s)
Johnson, J.H., Farquhar, J.F., Klindt, R.M., Mazzocchi, I. and Mathers, A.
Issue
1
Volume
41
Exposure Endpoint Type Endpoint Value Endpoint Description Units Sex Life Cycle Stage Location Sample Size Type
Dietary Composition Pre-goby: 14.4, Transition 14.3, Post-goby: 20.1 Number of fish eaten per pellet by different periods Numerb of fish NR Adult Griswold Island Pre-goby: 3100, Transition 2206, Post-goby: 1028 Exposure Factor Datasets
Dietary Composition Pre-goby: 11.9, Transition 12.7, Post-goby: 16.7 Number of fish eaten per pellet by different periods Numerb of fish NR Adult McNair Island Pre-goby: 923, Transition 1631, Post-goby: 2035 Exposure Factor Datasets
Dietary Composition Pre-goby: 13.2, Transition 12.8, Post-goby: 17.0 Number of fish eaten per pellet by different periods Numerb of fish NR Adult Strachan Island Pre-goby: 1187, Transition 518, Post-goby: 1404 Exposure Factor Datasets
Dietary Composition See citation Table 4 Percent species by number by different periods % NR Not Reported Three sites along St. Lawrence River See citation Exposure Factor Datasets
Citation:

Little Galloo Island, Lake Ontario: two decades of studies on the diet, fish consumption, and management of double-crested cormorants.

Author(s)
Johnson, J.H., McCullough, R.D., Farquhar, J.F. and Mazzocchi, I.
Issue
2
Volume
41
Exposure Endpoint Type Endpoint Value Endpoint Description Units Sex Life Cycle Stage Location Sample Size Type
Dietary Composition Pre-goby: 10.15, Transition 10.25, Post-goby: 14.81 Number of fish eaten per pellet by different periods Numerb of fish NR Not Reported Lilttle Galloo Island, Lake Ontario Pre-goby: 17,681, Transition 1800, Post-goby: 4662 Exposure Factor Datasets
Dietary Composition See citation Table 4 Percent species by number by different periods % NR Not Reported Lilttle Galloo Island, Lake Ontario Pre-goby: 17,681, Transition 1800, Post-goby: 4662 Exposure Factor Datasets
Citation:

Winter and summer home ranges and core use areas of double-crested cormorants captured near aquaculture facilities in the southeastern United States.

Author(s)
King, D.T., Strickland, B.K. and Radomski, A.A.
Issue
sp1
Volume
35
Exposure Endpoint Type Endpoint Value Error Units Sex Life Cycle Stage Location Sample Size Type
Home Range 17490 sq km 1986 sq km B Adult Mississipi Alluvial Valley (AR, MS, LA) & Upper Coastal Plain (AL, MS) 37 Exposure Factor Datasets
Citation:

Density-dependent growth of double-crested cormorant colonies on Lake Huron.

Author(s)
Ridgway, M.S., Pollard, J.B. and Weseloh, D.C.
Issue
10
Volume
84
Exposure Endpoint Type Endpoint Value Endpoint Description Units Location Type
Population Density 1990: 3985, 1994: 9854, 1997: 8217, 2000: 12821, 2003: 11470 Number of nests Number of nests Georgian Bay, Lake Huron Exposure Factor Datasets
Population Density 1990: 4310, 1994: 7281, 1997: 8494, 2000: 12441, 2003: 11527 Number of nests Number of nests North Channel, Lake Huron Exposure Factor Datasets
Citation:

Seasonal and annual patterns in density of double-crested cormorants in two coastal regions of Lake Huron.

Author(s)
Ridgway, M.S.
Issue
3
Volume
36
Exposure Endpoint Type Endpoint Value Endpoint Description Units Sex Life Cycle Stage Location Type
Population Density See citation Table 1 Adults/sq km Adults/sq km NR Adult North Channel, Lake Huron Exposure Factor Datasets
Population Density See citation Table 1 Adults/sq km Adults/sq km NR Adult Georgian Bay, Lake Huron Exposure Factor Datasets
Citation:

Annual Survival of Double-Crested Cormorants from the Great Lakes, 1979–2006.

Author(s)
Seamans, M.E., Ludwig, J.P., Stromborg, K., Ludwig II, F.E. and Ludwig, F.E.
Issue
sp1
Volume
35
Exposure Endpoint Type Endpoint Value Endpoint Description Life Cycle Stage Location Type
Survival/ Mortality See citation Figure 4 Second-year birds Adult Great Lakes region Exposure Factor Datasets
Survival/ Mortality See citation Figure 5 Hatch-year birds Juvenile Great Lakes region Exposure Factor Datasets
Citation:

Survivorship and mortality patterns of Double-crested Cormorants at Spider Island, Wisconsin, 1988–2006. 

Author(s)
Stromborg, K.L., Ivan, J.S., Netto, J.K. and Courtney, C.R.
Issue
sp1
Volume
35
Exposure Endpoint Type Endpoint Value Endpoint Description Units Life Cycle Stage Location Type
Survival/ Mortality 0.696 Survival, modeled average (Adult, at least 2 y) Percent Adult Lake Michigan Exposure Factor Datasets
Survival/ Mortality 0.305 Survival, modeled average (first year) Percent Juvenile Lake Michigan Exposure Factor Datasets
Survival/ Mortality 0.774 Survival, modeled average (Second/third year) Percent Juvenile Lake Michigan Exposure Factor Datasets
Survival/ Mortality 0.633 Survival, modeled average (Adult, at least 4 y) Percent Adult Lake Michigan Exposure Factor Datasets
Citation:

Diet of double-crested cormorants (Phalacrocorax auritus) wintering on the central Texas coast.

Author(s)
Withers, K. and Brooks, T.S.
Issue
1
Volume
49
Exposure Endpoint Type Endpoint Value Endpoint Description Units Life Cycle Stage Location Sample Size Type
Dietary Composition Striped mullet: 25.5, gulf menhaden: 17.6, hardhead catfish: 11.8, Sciaendiae: 15.7, unidentifiable fish: 5.9 Frequency % Not Reported Lavaca bay 51 Exposure Factor Datasets
Dietary Composition Striped mullet: 28.5, hardhead catfish: 2.5, gulf toadfish: 46.4 Sciaendiae: 0, unidentifiable fish: 3.6 Frequency % Not Reported Laguna Madre 28 Exposure Factor Datasets

Phalacrocorax auritus

Citation:

Caloric intake of nestling double-crested cormorants

Author(s)
Dunn, Erica H.
Pages
553-565
Year
Volume
92
Exposure Endpoint Type Endpoint Value Endpoint Description Units Sex Life Cycle Stage Location Sample Size Type
Dietary Composition cunner (59.7%), winter flounder (15.5%), sculpin (2.4%), rock eel (0.3%), American eel (6.6%), pollack (9.8%), mummichog (5.8%) frequency by weight of fish regurgitated by adult cormorants Both Male and Female Adult Duck Island, Isles of Shoals (43 deg. N, 70 deg. 35' W) 17 samples Exposure Factor Datasets
Food Ingestion Rate see figure estimated average energy intake during the nestling period (to 50 days of age) kcal/bird/day Both Male and Female Nestling Duck Island, Isles of Shoals (43 deg. N, 70 deg. 35' W) Not Reported Exposure Factor Datasets
Citation:

Development of endothermy and existence energy expenditure of nestling double-crested cormorants

Author(s)
Dunn, Erica H.
Pages
350-356
Year
Volume
78
Exposure Endpoint Type Endpoint Description Range Units Sex Life Cycle Stage Location Sample Size Type
Metabolic Rate oxygen consumption during brooding period (to about 2 wks of age) 1.0-1.5 cm^3/g BW/hr Both Male and Female Nestling Duck Island, Isle of Shoals (43 deg. 00'N, 70 deg 35'W) Not Reported Exposure Factor Datasets
Citation:

Diet of double-crested cormorants wintering in Texas

Author(s)
Campo, Joseph J., Bruce C. Thompson, John C. Barron, Raymond Telfair, II, Phil Durocher and Steve Gutreuter
Pages
135-144
Year
Issue
2
Volume
64
Exposure Endpoint Type Endpoint Value Endpoint Description Error Units Sex Life Cycle Stage Location Sample Size Type
Dietary Composition shad (26.1%), large roughfish (2.5%), small forage species (1.2%), catfish (9.6%), bass (16.5%), sunfish (15.0%), crappies (5.6%), other fishes (23.3%) percent occurence of prey items by weight in stomach contents Both Male and Female Both Adults and Juveniles east TX 420 cormorants Exposure Factor Datasets
Body Weight - Mean 2.3 0.02 SE kg Both Male and Female Both Adults and Juveniles east TX 420 cormorants Exposure Factor Datasets
Citation:

Nesting phenology of the double-crested cormorant

Author(s)
Kushlan, James A. and Linda C. McEwan
Pages
201-206
Year
Issue
2
Volume
94
Exposure Endpoint Type Endpoint Value Endpoint Description Sex Life Cycle Stage Location Sample Size Type
Time of Nesting year-round time during which active nests were observed Both Male and Female Adult south FL 30 colonies Exposure Factor Datasets
Citation:

Environmental influences on the energetics and behavior of anhingas and double-crested cormorants

Author(s)
Henneman, Willard W., III
Pages
201-216
Year
Issue
2
Volume
56
Exposure Endpoint Type Endpoint Value Units Sex Life Cycle Stage Sample Size Type
Body Weight - Mean 1.33 kg Not Reported Both Adults and Juveniles 5 cormorants Exposure Factor Datasets
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