Anas platyrhynchos (Mallard)

Diet Overlap

Competing SpeciesCommon Prey Count
Acanthis flammea (Common Redpoll)1
Actitis hypoleucos (Common Sandpiper)1
Adicella reducta1
Aeshna cyanea (Southern Hawker Dragonfly)1
Agelaius phoeniceus (Red-winged Blackbird)7
Agkistrodon contortrix (Southern Copperhead)4
Aix sponsa (Wood Duck)15
Alopochen aegyptiaca (Egyptian Goose)2
Amblytylus nasutus1
Ambystoma maculatum (Spotted Salamander)1
Ambystoma tigrinum (Eastern Tiger Salamander)1
Ameiurus natalis (Yellow bullhead)3
Ammodramus nelsoni (Nelson's Sparrow)1
Ammotragus lervia (aoudad)1
Anas acuta (Northern Pintail)2
Anas discors (Blue-winged Teal)1
Anax imperator (Emperor Dragonfly )1
Anaxyrus americanus (American Toad)5
Anguilla rostrata (American eel)4
Anisota oslari (Oslar’s oakworm moth)1
Anser anser (Greylag Goose)2
Aphanius iberus (Spanish Toothcarp)1
Aphantopus hyperantus (Ringlet Butterfly)1
Apis mellifera (honey bee)3
Aquila pomarina (Lesser Spotted Eagle)1
Archilochus colubris (Ruby-throated Hummingbird)2
Ardea cinerea (Grey Heron)2
Ardea herodias (Great Blue Heron)8
Armadillidium vulgare (pillbug)1
Atelerix albiventris (Four-toed Hedgehog)1
Baeolophus bicolor (Tufted Titmouse)4
Bombus fervidus (Golden northern bumble bee)5
Branta bernicla (Brent Goose)1
Branta canadensis (Canada Goose)10
Branta leucopsis (Barnacle Goose)1
Buteo jamaicensis (Red-tailed Hawk)4
Calidris alpina (Dunlin)2
Calidris mauri (Western Sandpiper)1
Capreolus capreolus (western roe deer)1
Cardinalis cardinalis (Northern Cardinal)3
Carduelis carduelis (European Goldfinch)1
Castor canadensis (american beaver)8
Cataclysta lemnata (Small China-mark)1
Cathartes aura (Turkey Vulture)2
Cervus elaphus (wapiti or elk)1
Charadrius alexandrinus (Snowy Plover)1
Charadrius dubius (Little Ringed Plover)1
Charadrius vociferus (Killdeer)3
Chelydra serpentina (Common Snapping Turtle)10
Chlorops nitidissima1
Chroicocephalus ridibundus (Common Black-headed Gull)2
Chrysoteuchia culmella (Garden Grass-veneer Moth)1
Ciconia ciconia (White Stork)1
Ciconia nigra (Black Stork)1
Coenonympha pamphilus (Small Heath Butterfly)1
Coenonympha tullia (California ringlet)1
Colias philodice (clouded sulphur)1
Colinus virginianus (Northern Bobwhite)6
Columba oenas (Stock Dove)2
Columba palumbus (Common Wood Pigeon)1
Corvus brachyrhynchos (American Crow)7
Crangon crangon (common shrimp)1
Cryptotis parva (North American Least Shrew)4
Cyanocitta cristata (Blue Jay)6
Cyprinus carpio (Common carp)8
Delia coarctata1
Deltocephalus pulicaris1
Diapheromera femorata (Common American Walkingstick)2
Didelphis virginiana (Virginia Opossum)8
Dryobates pubescens gairdnerii (Downy Woodpecker)3
Dryocopus pileatus (Pileated Woodpecker)2
Dytiscus marginalis (Predaceous diving beetle)1
Elachista humilis1
Elymana sulphurella1
Emberiza citrinella (Yellowhammer)1
Emberiza schoeniclus (Reed Bunting)2
Eptesicus fuscus (big brown bat)4
Errastunus ocellaris1
Erynnis juvenalis (Juvenal's duskywing skipper)2
Erythrura hyperythra (Tawny-breasted Parrot-Finch)1
Etheostoma olmstedi (Tessellated darter)2
Euphyes conspicua (Black Dash)1
Euptychia cymela (Little wood satyr)1
Eurycea guttolineata (Three-lined Salamander)1
Fringilla coelebs (Common Chaffinch)1
Gambusia holbrooki (Bore-drain fish)2
Gasterosteus aculeatus (Alaskan stickleback)1
Geothlypis trichas (Common Yellowthroat)4
Grus grus (Common Crane)2
Grus japonensis (Red-crowned Crane)1
Gryllus pennsylvanicus (fall field cricket)1
Haematopus ostralegus (Eurasian Oystercatcher)1
Haliaeetus leucocephalus (Bald Eagle)1
Heliothrips haemorrhoidalis (Greenhouse thrip)1
Hemiechinus auritus (Long-eared Hedgehog)1
Heterodon platirhinos (Eastern Hognose Snake)3
Heteropterus morpheus (Large Chequered Skipper)1
Hydrellia albilabris1
Hydrellia griseola (Rice leafminer)1
Hypentelium nigricans (Northern hog sucker)4
Ichthyosaura alpestris (Alpine Newt)2
Ictalurus punctatus (Channel catfish)8
Larus argentatus (Herring Gull)1
Larus canus (Mew Gull)1
Larus delawarensis (Ring-billed Gull)2
Lenisa geminipuncta1
Leptopterna ferrugata1
Lepus europaeus (European Hare)1
Libellula lydia (Common whitetail)1
Limnephilus flavicornis1
Limnephilus luridus1
Limnephilus marmoratus1
Limnephilus rhombicus (Northern caddisfly)1
Limosa lapponica (Bar-tailed Godwit)1
Limosa limosa (Black-tailed Godwit)1
Lissotriton helveticus (Palmate Newt)2
Lithobates catesbeianus (American Bullfrog)5
Lithobates sphenocephalus (Southern Leopard Frog)1
Lithobates sylvaticus (Wood Frog)4
Loxodonta africana (African Bush Elephant)1
Macrosteles laevis1
Maniola jurtina (Meadow Brown Butterfly)1
Marmota flaviventris (yellow-bellied marmot)1
Marmota monax (woodchuck)1
Megaceryle alcyon (Belted Kingfisher)7
Meleagris gallopavo (Wild Turkey)11
Meles meles (European Badger)1
Mellicta athalia sicula (Glanville Fritillary)1
Mephitis mephitis (Striped Skunk)7
Meromyza saltatrix (Wheat Stem Maggot Fly)1
Microtus agrestis (field vole)2
Microtus arvalis (common vole)1
Microtus pennsylvanicus (meadow vole)6
Molothrus ater (Brown-headed Cowbird)5
Mustela putorius (European Polecat)1
Myiarchus crinitus (Great Crested Flycatcher)3
Myocastor coypus (nutria)1
Natrix maura (Viperine Water Snake)1
Natrix natrix (European Grass Snake)1
Nepa cinerea (Water Scorpion)1
Nerodia sipedon (Northern Water Snake)5
Netta rufina (Red-crested Pochard)1
Notemigonus crysoleucas (Golden shiner minnow)2
Notonecta glauca (Water boatman)2
Notophthalmus viridescens (Eastern Newt)5
Notus flavipennis1
Numenius arquata (Eurasian Curlew)1
Nymphalis antiopa (camberwell beauty)1
Odocoileus virginianus (white-tailed deer)13
Ondatra zibethicus (muskrat)12
Opomyza germinationis1
Orthotaenia undulana1
Oscinella frit (fruit fly)1
Oscinella pusilla1
Papilio glaucus (Eastern tiger swallowtail)2
Papilio polyxenes (Eastern black swallowtail)1
Passer domesticus (House Sparrow)1
Passer montanus (Eurasian Tree Sparrow)1
Peromyscus leucopus (white-footed mouse)6
Phalacrocorax auritus (Double-crested Cormorant)4
Philaenus spumarius (meadow froghopper)3
Phytomyza nigra1
Pieris rapae (imported cabbageworm)1
Plectrophenax nivalis (Snow Bunting)1
Plestiodon fasciatus (Five-lined Skink)4
Pluvialis apricaria (European Golden-Plover)1
Poanes massasoit (Mulberry Wing)1
Poanes viator (Broad-winged Skipper)1
Podilymbus podiceps (Pied-billed Grebe)1
Poecile carolinensis (Carolina Chickadee)4
Pomatoschistus microps (Common goby)2
Pomatoschistus minutus (freckled goby)1
Pomoxis nigromaculatus (Strawberry bass)5
Procambarus clarkii (red swamp crawfish)1
Procapra przewalskii (Przewalski's gazelle)1
Procyon lotor (Raccoon)10
Psammotettix confinis1
Pseudacris crucifer (Spring Peeper)2
Pseudemys nelsoni (Florida Redbelly Turtle)1
Quiscalus quiscula (Common Grackle)1
Rabdophaga nervorum1
Rattus norvegicus (Norway rat)2
Recurvirostra avosetta (Pied Avocet)1
Reticulitermes flavipes (eastern subterranean termite)3
Satyrium calanus (Banded hairstreak)1
Scalopus aquaticus (Eastern Mole)2
Sciurus carolinensis (eastern gray squirrel)9
Sciurus niger (eastern fox squirrel)1
Scotopteryx chenopodiata (Shaded Broad-bar Moth)1
Semotilus atromaculatus (Horned dace)2
Sialia sialis (Eastern Bluebird)2
Sitta carolinensis (White-breasted Nuthatch)7
Spaelotis ravida (Stout Dart)1
Spinus tristis (American Goldfinch)4
Streptopelia decaocto (Eurasian Collared-Dove)1
Streptopelia turtur (European Turtle-Dove)1
Strix aluco (Tawny Owl)1
Strix varia (Barred Owl)4
Sylvilagus audubonii (Desert Cottontail)1
Sylvilagus floridanus (Eastern Cottontail)4
Tadorna tadorna (Common Shelduck)1
Tamias striatus (eastern chipmunk)8
Tanysphyrus lemnae1
Terrapene carolina (Florida Box Turtle)1
Thamnophis sirtalis (Common Garter Snake)5
Thamnophis sirtalis sirtalis (Eastern gartersnake)1
Thrips funebris1
Thryothorus ludovicianus (Carolina Wren)1
Thymallus arcticus (Arctic grayling)1
Tringa melanoleuca (Greater Yellowlegs)1
Turdus migratorius (American Robin)4
Urocitellus armatus (Uinta ground squirrel)1
Urocitellus columbianus (Columbian ground squirrel)1
Vulpes vulpes (Red Fox)4
Zamenis longissimus (Aesculapean Snake)1
Zenaida macroura (Mourning Dove)2
Zeuzera pyrina (leopard moth)1
Zonotrichia albicollis (White-throated Sparrow)4