Phalacrocorax auritus (Double-crested Cormorant)

Diet Overlap

Competing SpeciesCommon Prey Count
Aechmophorus occidentalis (Western Grebe)1
Agelaius phoeniceus (Red-winged Blackbird)2
Agkistrodon contortrix (Southern Copperhead)1
Aix sponsa (Wood Duck)2
Amblyraja radiata (Starry ray)1
Ambystoma maculatum (Spotted Salamander)1
Ameiurus natalis (Yellow bullhead)3
Anas platyrhynchos (Mallard)4
Anaxyrus americanus (American Toad)1
Anguilla rostrata (American eel)5
Ardea herodias (Great Blue Heron)10
Balaenoptera acutorostrata (Minke Whale)2
Beringraja binoculata (Big skate)1
Brachyramphus brevirostris (Kittlitz's Murrelet)1
Brachyramphus marmoratus (Marbled Murrelet)3
Buteo jamaicensis (Red-tailed Hawk)4
Callorhinus ursinus (Northern Fur Seal)1
Cepphus columba (Pigeon Guillemot)3
Cepphus grylle (Black Guillemot)1
Cerorhinca monocerata (Rhinoceros Auklet)2
Charadrius vociferus (Killdeer)2
Chelydra serpentina (Common Snapping Turtle)6
Chroicocephalus ridibundus (Common Black-headed Gull)1
Clangula hyemalis (Oldsquaw)1
Cottus carolinae (Banded sculpin)1
Cyprinus carpio (Common carp)3
Cystophora cristata (Hooded Seal)2
Dasycottus setiger (Spinyhead sculpin)1
Didelphis virginiana (Virginia Opossum)2
Eptesicus fuscus (big brown bat)2
Erignathus barbatus (Bearded Seal)1
Esox lucius (Jack)1
Etheostoma olmstedi (Tessellated darter)2
Eumetopias jubatus (Steller Sea Lion)1
Eurycea guttolineata (Three-lined Salamander)1
Fratercula cirrhata (Tufted Puffin)2
Fratercula corniculata (Horned Puffin)1
Gadus chalcogrammus (Whiting)1
Gadus macrocephalus (Pacific cod)1
Gavia immer (Great Northern Loon)1
Gavia pacifica (Pacific Loon)1
Gavia stellata (Red-throated Loon)1
Geothlypis trichas (Common Yellowthroat)1
Globicephala melas (Long-finned Pilot Whale)1
Haliaeetus leucocephalus (Bald Eagle)2
Hexagrammos stelleri (Greenling)1
Hippoglossoides elassodon (Paper sole)1
Hippoglossus stenolepis (Pacific halibut)2
Hydroprogne caspia (Caspian Tern)2
Hypentelium nigricans (Northern hog sucker)3
Ictalurus punctatus (Channel catfish)5
Lagenorhynchus acutus (Atlantic White-sided Dolphin)2
Lagenorhynchus albirostris (White-beaked Dolphin)1
Lagenorhynchus obliquidens (Pacific White-sided Dolphin)1
Lamna nasus (Porbeagle shark)1
Larus delawarensis (Ring-billed Gull)4
Leptocottus armatus (Cabezon)2
Libellula lydia (Common whitetail)1
Lithobates catesbeianus (American Bullfrog)3
Lontra canadensis (northern river otter)1
Lophius americanus (Monkfish)3
Lota lota (Thin-tailed burbot)2
Megaceryle alcyon (Belted Kingfisher)8
Megaptera novaeangliae (Humpback Whale)1
Mergus merganser (Common Merganser)1
Merluccius bilinearis (Whiting)1
Merluccius productus (Whiting)1
Morus bassanus (Northern Gannet)1
Nerodia sipedon (Northern Water Snake)4
Notemigonus crysoleucas (Golden shiner minnow)2
Notophthalmus viridescens (Eastern Newt)5
Oncorhynchus clarkii (Cutthroat trout)2
Oncorhynchus kisutch (coho salmon or silver salmon)2
Oncorhynchus mykiss (redband trout)2
Oncorhynchus tshawytscha (chinook salmon or king salmon)2
Ondatra zibethicus (muskrat)2
Ophiodon elongatus (Lingcod)1
Pagophilus groenlandicus (Harp Seal)1
Pandion haliaetus (Osprey)1
Phalacrocorax carbo (Great Cormorant)2
Phalacrocorax pelagicus (Pelagic Cormorant)4
Phoca vitulina (Harbor Seal)1
Phocoena phocoena (Harbor Porpoise)1
Podiceps auritus (Horned Grebe)1
Podiceps grisegena (Red-necked Grebe)1
Podiceps nigricollis (Eared Grebe)1
Pomatomus saltatrix (Tailor run)1
Pomoxis nigromaculatus (Strawberry bass)4
Prionace glauca (Tribon blou)1
Procyon lotor (Raccoon)4
Puffinus puffinus (Manx Shearwater)1
Pusa hispida (Ringed Seal)1
Rissa tridactyla (Black-legged Kittiwake)1
Salmo trutta (Brown trout)2
Salvelinus namaycush (American lake char)2
Sander vitreus (Walleye)2
Sebastes caurinus (Copper rockfish)1
Sebastes crameri (Rockfish)1
Sebastes flavidus (Yellowtail rockfish)1
Sebastes melanops (Black bass)1
Semotilus atromaculatus (Horned dace)2
Seriola dumerili (Yellow tail)1
Sphyrna zygaena (Smooth hammerhead shark)1
Squalus acanthias (Common spiny)3
Sterna forsteri (Forster's Tern)1
Sterna paradisaea (Arctic Tern)1
Strix varia (Barred Owl)6
Synthliboramphus antiquus (Ancient Murrelet)2
Thamnophis sirtalis (Common Garter Snake)1
Thunnus thynnus (horse mackerel)1
Tursiops truncatus (Bottlenosed Dolphin)1
Uria aalge (Common Murre)2
Ursus arctos (Grizzly Bear)1