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GEOFF DENNIS PHOTOS
GEOFF DENNIS PHOTOS
  • ABOUT GEOFF
  • BIRDS
  • INSECTS
  • HERPTILES
  • MAMMALS
  • CONTACT
GEOFF DENNIS PHOTOS
GEOFF DENNIS PHOTOS
  • About Geoff
  • BIRDS
    • Acadian Flycatcher
    • American Avocet
    • American Bittern
    • American Coot
    • American Crow
    • American Golden Plover
    • American Goldfinch
    • American Kestrel
    • American Oystercatcher
    • American Pipit
    • American Redstart
    • American Robin
    • American Tree Sparrow
    • American Woodcock
    • Ash-throated Flycatcher
    • Baird’s Sandpiper
    • Bald Eagle
    • Baltimore Oriole
    • Bank Swallow
    • Barred Owl
    • Barn Owl
    • Bay-breasted Warbler
    • Barn Swallow
    • Bell’s Vireo
    • Black Skimmer
    • Black Tern
    • Black-bellied Plover
    • Black-and-white Warbler
    • Black-billed Cuckoo
    • Blackburnian Warbler
    • Black-crowned Night-Heron
    • Black-headed Grosbeak
    • Black-capped Chickadee
    • Black-headed Gull
    • Black-headed Grosbeak
    • Blackpoll Warbler
    • Black-throated Blue Warbler
    • Black-throated Green Warbler
    • Blue Grosbeak
    • Blue Jay
    • Blue-gray Gnatcatcher
    • Blue-headed Vireo
    • Blue-winged Warbler
    • Bobolink
    • Bonaparte’s Gull
    • Brown-headed Cowbird
    • Brant
    • Brewster’s Warbler
    • Bridled Tern
    • Broad-winged Hawk
    • Brown Creeper
    • Brown Thrasher
    • Buff-breasted Sandpiper
    • Bufflehead
    • Bullock’s Oriole
    • Cackling Goose
    • Canada Goose
    • Calliope Hummingbird
      • Calliope Hummingbird 1
      • Calliope Hummingbird 2
      • Calliope Hummingbird 3
      • Calliope Hummingbird 4
    • Canada Warbler
    • Cape May Warbler
    • Caspian Tern
    • Carolina Wren
    • Cave Swallow
    • Cedar Waxwing
    • Chestnut-sided Warbler
    • Chimney Swift
    • Chipping Sparrow
    • Clay-colored Sparrow
    • Common Eider
    • Common Gallinule
    • Common Goldeneye
    • Common Grackle
    • Common Loon
    • Common Nighthawk
    • Common Redpoll
    • Common Tern
    • Common Yellowthroat
    • Cooper’s Hawk
    • Dark-eyed Junco
    • Dickcissel
    • Double-crested Cormorant
    • Dovekie
    • Downy Woodpecker
    • Dunlin
    • Eastern Bluebird
    • Eastern Kingbird
    • Eastern Meadowlark
    • Eastern Phoebe
    • Eastern Towhee
    • Eastern Screech-Owl
    • Emperor Goose
    • European Starling
    • Evening Grosbeak
    • Field Sparrow
    • Forster’s Tern
    • Fox Sparrow
    • Glaucous Gull
    • Glossy Ibis
    • Golden-crowned Kinglet
    • Gray Catbird
    • Golden-winged Warbler
    • Gray Kingbird
    • Great Black-backed Gull
    • Grasshopper Sparrow
    • Great Blue Heron
    • Great Cormorant
    • Great Crested Flycatcher
    • Great Egret
    • Great Horned Owl
    • Great Shearwater
    • Greater Yellowlegs
    • Green Heron
    • Green-winged Teal
    • Hairy Woodpecker
    • Hermit Thrush
    • Herring Gull
    • Hoary Redpoll
    • Hooded Warbler
    • Horned Grebe
    • Horned Lark
    • House Finch
    • House Sparrow
    • House Wren
    • Hudsonian Godwit
    • Iceland Gull
    • Indigo Bunting
    • Ipswich Savannah Sparrow
    • Ivory Gull
    • Kentucky Warbler
    • Killdeer
    • Lapland Longspur
    • Lark Sparrow
    • Laughing Gull
    • Least Flycatcher
    • Least Sandpiper
    • Least Tern
    • LeConte’s Sparrow
    • Lesser Black-backed Gull
    • Lesser Yellowlegs
    • Lincoln’s Sparrow
    • Long-billed Dowitcher
    • Long-eared Owl
    • Long-tailed Duck
    • Magnificent Frigatebird
    • Magnolia Warbler
    • Mallard
    • Marbled Godwit
    • Marsh Wren
    • Merlin
    • Mourning Dove
    • Mourning Warbler
    • Mute Swan
    • Nashville Warbler
    • Nelson’s Sparrow
    • Northern Cardinal
    • Northern Flicker
    • Northern Gannet
    • Northern Harrier
    • Northern Mockingbird
    • Northern Parula
    • Northern Saw-whet Owl
    • Northern Shrike
    • Northern Waterthrush
    • Orange-crowned Warbler
    • Orchard Oriole
    • Osprey
    • Ovenbird
    • Palm Warbler
    • Painted Bunting
    • Pectoral Sandpiper
    • Peregrine Falcon
    • Philadelphia Vireo
    • Pied-billed Grebe
    • Pileated Woodpecker
    • Pine Siskin
    • Pine Warbler
    • Piping Plover
      • Piping Plover – Adults
      • Piping Plover – First & Last
      • Piping Plover – Snow
      • Piping Plover – Fights
      • Piping Plover – Behavior – Territories
      • Piping Plover – Behavior – Scrapes
      • Piping Plover – Courtship – Mating
      • Piping Plover – Nests
      • Piping Plover – Behavior – Broken-wing
      • Piping Plover – Incubating
      • Piping Plover – Exclosures
      • Piping Plover – Just-Hatched Chicks
      • Piping Plover – Chicks
      • Piping Plover – Brooding
      • Piping Plover – Fledglings
      • Piping Plover – Threats – Natural
      • Piping Plover – Threats – Human
      • Piping Plover – Leg Bands
      • Piping Plover – And Other Birds
      • Piping Plover – Food Items
      • Piping Plover – Beach -Trash
      • Piping Plover – Sleeping
    • Prairie Warbler
    • Prothonotary Warbler
    • Purple Finch
    • Purple Gallinule
    • Purple Sandpiper
    • Razorbill
    • Red Crossbill
    • Red Knot
    • Red Phalarope
    • Red-bellied Woodpecker
    • Red-breasted Merganser
    • Red-breasted Nuthatch
    • Reddish Egret
    • Red-eyed Vireo
    • Redhead
    • Red-headed Woodpecker
    • Red-shouldered Hawk
    • Red-tailed Hawk
    • Red-throated Loon
    • Red-winged Blackbird
    • Ring-billed Gull
    • Ring-necked Pheasant
    • Rose-breasted Grosbeak
    • Rough-legged Hawk
    • Royal Tern
    • Ruby-crowned Kinglet
    • Ruby-throated Hummingbird
    • Ruddy Duck
    • Ruddy Turnstone
    • Ruffed Grouse
    • Rufous/Allen’s-type Hummingbird
      • Rufous Hummingbird 1
      • Rufous Hummingbird 2
      • Rufous Hummingbird 3
      • Rufous Hummingbird 4
      • Rufous Hummingbird 5
      • Rufous Hummingbird 6
      • Rufous Hummingbird 7
      • Rufous Hummingbird 8
      • Rufous Hummingbird 9
      • Rufous Hummingbird 10
      • Rufous Hummingbird 11
      • Rufous Hummingbird 12
      • Rufous Hummingbird 13
      • Rufous Hummingbird 14
      • Rufous Hummingbird 15
      • Rufous Hummingbird 16
      • Rufous Hummingbird 17
      • Rufous Hummingbird 18
      • Rufous Hummingbird 19
      • Rufous Hummingbird 20
      • Rufous Hummingbird 21
      • Rufous Hummingbird 22
      • Rufous Hummingbird 23
      • Rufous Hummingbird 24
      • Rufous Hummingbird 25
    • Rusty Blackbird
    • Saltmarsh Sparrow
    • Sanderling
    • Sandhill Crane
    • Savannah Sparrow
    • Scarlet Tanager
    • Seaside Sparrow
    • Sedge Wren
    • Semipalmated Plover
    • Semipalmated Sandpiper
    • Sharp-shinned Hawk
    • Short-billed Dowitcher
    • Short-eared Owl
    • Snow Bunting
    • Snow Goose
    • Snowy Egret
    • Snowy Owl
    • Snowy Plover
    • Solitary Sandpiper
    • Song Sparrow
    • Sooty Shearwater
    • Sooty Tern
    • Sora
    • Spotted Sandpiper
    • Stilt Sandpiper
    • Summer Tanager
    • Swainson’s Thrush
    • Swamp Sparrow
    • Tennessee Warbler
    • Tree Swallow
    • Tricolored Heron
    • Trumpeter Swan
    • Tufted Titmouse
    • Tundra Swan
    • Turkey Vulture
    • Veery
    • Vesper Sparrow
    • Virginia Rail
    • Virginia’s Warbler
    • Warbing Vireo
    • Western Grebe
    • Western Sandpiper
    • Western Tanager
    • Whimbrel
    • White-breasted Nuthatch
    • White-crowned Sparrow
    • White-eyed Vireo
    • White-rumped Sandpiper
    • White-throated Sparrow
    • White-winged Crossbill
    • White-winged Dove
    • Wild Turkey
    • Willet
    • Willow Flycatcher
    • Wilson’s Phalarope
    • Wilson’s Plover
    • Wilson’s Snipe
    • Wilson’s Warbler
    • Winter Wren
    • Wood Duck
    • Wood Thrush
    • Worm-eating Warbler
    • Yellow Rail
    • Yellow Warbler
    • Yellow-bellied Sapsucker
    • Yellow-billed Cuckoo
    • Yellow-breasted Chat
    • Yellow-crowned Night-Heron
    • Yellow-headed Blackbird
    • Yellow-rumped Warbler
    • Yellow-throated Vireo
    • Yellow-throated Warbler
    • Zebra Finch
  • Contact Geoff
  • Geoff Dennis Photos
  • HERPTILES
    • American Toad
    • Fowler’s Toad
    • Gray Treefrog
    • Northern Green Frog
    • Pickerel Frog
    • Spring Peeper
    • Wood Frog
    • Painted Turtle
    • Snapping Turtle
    • Spotted Salamander
  • INSECTS
    • American Copper
    • American Lady
    • Baltimore Checkerspot
    • Black Swallowtail
    • Cabbage White
    • Clouded Sulphur
    • Cloudless Sulphur
    • Common Buckeye
    • Common Wood Nymph
    • Eastern Comma
    • Eastern Tailed-Blue
    • Eastern Tiger Swallowtail
    • Giant Swallowtail
    • Gray Hairstreak
    • Great Spangled Fritillary
    • Little Wood Satyr
    • Monarch
    • Mourning Cloak
    • Orange Sulphur
    • Painted Lady
    • Pearl Crescent
    • Question Mark
    • Red Admiral
    • Red-banded Hairstreak
    • Red-spotted Admiral
    • Silver-bordered Fritillary
    • Spicebush Swallowtail
    • Summer Azure
    • Viceroy
    • Long-tailed Skipper
    • Silver-spotted Skipper
    • Wild Indigo Duskywing
    • Hummingbird Clearwing
    • Snowberry Clearwing
  • MAMMALS
    • Common Gray Fox
    • Red Fox
    • Coyote
    • Eastern Gray Squirrel
    • Southern Flying Squirrel
    • Eastern Chipmunk
    • Eastern Cottontail
    • Muskrat
    • Mink
    • Fisher
    • White-tailed Deer
    • Harbor Seal
  • Recents

Great Black-backed Gull

Larus marinus

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GBBG-AG_Great-Black-backed-Gull
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GBBG-AI_Great-Black-backed-Gull
GBBG-AJ_Great-Black-backed-Gull
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GBBG-AL_Great-Black-backed-Gull
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GBBG-AN_Great-Black-backed-Gull
GBBG-AO_Great-Black-backed-Gull

  • ABOUT GEOFF
  • BIRDS
  • INSECTS
  • HERPTILES
  • MAMMALS
  • CONTACT

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