Acorn Woodpecker male in flight--6388
Acorn Woodpecker male--6388
Acorn Woodpecker female in flight--6265
Acorn Woodpecker female--6265
Aleutian Tern
Aleutian Tern
Allen's Hummingbird male
Allen's Hummingbird male
American Avocet
American Avocets, flock in flight--4526
American Avocet flock--4526
American Coot dorsal wing
American Coot dorsal wing
American Coot ventral wing
American Coot ventral wing
American Kestrel
American Kestrel
American Kestrel kiting
American Kestrel kiting
American Oystercatcher in flight, dorsal wing--6560
American Oystercatcher, dorsal wing--6560
American Pipit--2302
American Pipit--2302
American Pipit soaring
American Pipit soaring
American Robin male in flight ventral wing--4016
American Robin male ventral wing--4016
American Robin female in flight ventral wing--4036
American Robin female ventral wing--4036
American White in flight upstroke--8617
American White upstroke--8617
American White Pelican in flight downstroke--8670
American White Pelican downstroke--8670
American Wigeon
American Wigeon pair over marsh
American Wigeon pair over marsh
Anhinga
Anna's Hummingbird
Arctic Tern
Arctic Warbler
Ash-throated Flycatcher ventral view--7891
Ash-throated Flycatcher dorsal view--7879
Bald Eagle
Bald Eagle dorsal flight
Bald Eagle dorsal flight
Barn Owl male
Barn Owl male
Barn Owl female sunset flight--6746
Barn Owl female--6746
Belcher's Gull adult in flight--6699
Belcher's Gull adult--6699
Belted Kingfisher male
Belted Kingfisher male
Belted Kingfisher female
Belted Kingfisher female
Berylline Hummingbird
Black-billed Magpie in flight--2035
Black-billed Magpie--2035
Black-billed Magpie in flight #2--2048
Black-billed Magpie #2--2048
Black-capped Vireo male--0031
Black-capped Vireo male--0031
Black-hooded Parakeet
Black-hooded Parakeet
Black Phoebe with American Rubyspot--6012
Black Phoebe with American Rubyspot--6012
Black Phoebe
Black Phoebe
Black Skimmer
Black Tern in flight dorsal
Black Tern in flight dorsal
Black Tern in flight ventral
Black Tern in flight ventral
Black Vulture
Black-bellied Whistling-Duck
Black-billed Magpie
Black-billed Magpie
Black-crowned Night-Heron in flight dorsal wing--1347
Black-crowned Night-Heron, dorsal wing--1347
Black-crowned Night-Heron ventral wing--7103
Black-crowned Night-Heron, ventral wing--7103
Black-headed Grosbeak male in flight upstroke--6369
Black-headed Grosbeak male upstroke--6369
Black-headed Grosbeak male in flight downstroke--6368
Black-headed Grosbeak male downstroke--6368
Black-legged Kittiwake
Black-legged Kittiwake
Black-necked Stilt in flight--6817
Black-necked Stilt--6817
Black-necked Stilt in flight--7177
Black-necked Stilt--7177
Black-tailed Gnatcatcher in flight vertical--1167
Black-tailed Gnatcatcher--1167
Black-tailed Gnatcatcher--9803
Black-tailed Gnatcatcher--9803
Black-throated Sparrow downstroke--7695
Black-throated Sparrow downstroke--7695
"Blue" Goose
Blue Jay--1025
Blue Jay--1025
Blue Jay--0736
Blue Jay--0736
Blue-gray Gnatcatcher male in flight--2992
Blue-gray Gnatcatcher--2992
Blue-headed Vireo--0375
Blue-headed Vireo--0375
Blue-winged Teal
Blue-winged Warbler male--7386
Blue-winged Warbler male--7386
Brewer's Blackbird female in flight with food items--3805
Brewer's Blackbird female with food items--3805
Broad-billed Hummingbird
Broad-billed Hummingbird male in flight--9403
Broad-billed Hummingbird male in flight--9403
Broad-winged Hawk adult in flight #2
Broad-winged Hawk
Brown Booby
Brown Pelican
Brown Pelican
Brown Pelican incoming
Brown Pelican incoming
Brown-crested Flycatcher in flight--4081
Brown-crested Flycatcher--4081
Bufflehead male--0859
Bufflehead male--0859
Bufflehead male in flight, upstroke--0993
Bufflehead male--0993
Bullock's Oriole
Bullock's Oriole
Burrowing Owl
Burrowing Owl
Bushtit female
Bushtit female
Cactus Wren and Saguaro
Cactus Wren
Cactus Wren and Saguaro
Cactus Wren and Saguaro
California Condor
California Condor
California Condor wall shadow
California Condor wall shadow
California Gull adult non-breeding dorsal
California Gull adult non-breeding dorsal
California Gull 1st winter
California Gull 1st winter
Calliope Hummingbird
Canada Goose
Canada Geese banking--8517
Canada Geese banking--8517
Canvasback flock in flight--6336
Canvasback flock in flight--6336
Caspian Tern
Cassin's Kingbird harassing Zone-tailed Hawk
Cassin's Kingbird harassing Zone-tailed Hawk
Cassin's Sparrow
Cassin's Vireo in flight--0877
Cassin's Vireo in flight--0877
Cattle Egret
Cattle Egret
Cedar Waxwing in flight showing red wing appendages--3878
Cedar Waxwing in flight showing red wing appendages--3878
Cedar Waxwing pair in flight--3880
Cedar Waxwing pair in flight--3880
Chestnut-sided Warbler male in flight--9161
Chestnut-sided Warbler male in flight--9161
Cinnamon Teal male in flight--2014
Cinnamon Teal male in flight--2014
Cinnamon Teal female in flight--1998
Cinnamon Teal female in flight--1998
Clay-colored Thrush
Cliff Swallow in flight dorsdal view--6619
Cliff Swallow dorsdal view--6619
Cliff Swallow ventral view
Common Black Hawk ventral wing
Common Black Hawk in flight dorsal view #2
Common Black Hawk dorsal wing
Common Eider
Common Goldeneye male walking on water--1597
Common Goldeneye male--1597
Common Goldeneye female in flight--1243
Common Goldeneye female in flight--1243
Common Merganser males
Common Merganser males
Common Merganser female
Common Merganser female
Common Murres in flight--5781
Common Murres--5781
Common Ravens
Cooper's Hawk adult flight close-up--3910
Cooper's Hawk adult flight close-up--3910
Cooper's Hawk immature in flight ventral--4462
Cooper's Hawk immature in flight ventral--4462
Costa's Hummingbird head shot--9854
Costa's Hummingbird head shot--9854
Costa's Hummingbird
Crested Caracara adult
Crested Caracara adult
Crested Caracara juvenile
Crested Caracara juvenile
Curve-billed Thrasher
Curve-billed Thrasher
Curve-billed Thrasher ventral
Curve-billed Thrasher ventral
Double-crested Cormorant breeding plumage in flight--8439
Double-crested Cormorant, breeding plumage--8439
Double-crested Cormorant breeding plumage in flight--8442
Double-crested Cormorant, breeding plumage--8442
Eastern Meadowlark
Elegant Tern
Eurasian Collared-Dove in flight--4356
Eurasian Collared-Dove in flight--4356
Eurasian Collared-Dove--2764
Eurasian Collared-Dove--2764
European Starling
European Starling with Fan Palm berry--7049
European Starling with Fan Palm berry
Ferruginous Hawk
Ferruginous Hawk dark morph adult--2976
Ferruginous Hawk dark morph adult--2976
Five-striped Sparrow in flight--0927
Five-striped Sparrow in flight--0927
Fork-tailed Storm-Petrel
Forster's Tern
Gambel's Quail male in flight--0110
Gambel's Quail
Gambel's Quail female in flight--5356
Gambel's Quail female in flight--5356
Gila Woodpecker male in flight--7669
Gila Woodpecker male ventral wing--7669
Gila Woodpecker male dropping from gray skies--7658
Gila Woodpecker male dorsal wing--7658
Gilded Flicker male
Gilded Flicker male
Gilded Flicker female
Gilded Flicker female
Glaucous Gull adult non-breeding in fog
<div class="onecolumnbox"><img src="../media/Glaucous-Gull-adult-in-flig.jpg" alt="" height="480" width="600" border="0" lowsrc="../media/Glaucous-Gull-adult-in-flls.gif" /></div>
Glaucous Gull first summer
Glaucous-winged Gull 2nd winter
Glaucous-winged Gull 2nd winter
Glaucous-winged Gull 1st winter
Glaucous-winged Gull 1st winter
Glossy Ibis
Golden Eagle
Gray Flycatcher in flight--0790
Gray Flycatcher in flight--0790
Gray Hawk
Gray Hawk adult in flight dorsal view
Gray Hawk adult dorsal view
Great Blue Heron upstroke--8057
Great Blue Heron upstroke--8057
Great Blue Heron downstroke--8518
Great Blue Heron downstroke--8518
Great Egret
Great Frigatebird
Great Horned Owl
Great Kiskadee
Great-tailed Grackle male in display flight--4361
Great-tailed Grackle male in display flight--4361
Great-tailed Grackle female
Great-tailed Grackle female
Greater Prairie Chicken
Greater Roadrunner
Greater Roadrunner
Greater Roadrunner flight silhouette--9360
Greater Roadrunner flight silhouette--9360
Greater Scaup
Greater Yellowlegs vertical--2433
Greater Yellowlegs vertical--2433
Greater Yellowlegs upstroke--0925
Greater Yellowlegs upstroke--0925
Green Heron in flight, dorsal view--1385
Green Heron, dorsal view--1385
Green Heron in flight, downstroke--1434
Green Heron, downstroke--1434
Green Jay
Green-winged Teal male in flight showing green speculum--8632
Green-winged Teal male in flight showing green speculum--8632
Green-winged Teal female in flight showing green speculum--8600--2
Green-winged Teal female in flight showing green speculum--8600--2
Harlequin Duck
Harris's Hawk
Harris's Hawk adult male in flight underwing
Harris's Hawk adult male underwing
Heerman's Gull adult non-breeding dorsal
Heerman's Gull adult non-breeding dorsal
Heerman's Gull 1st winter
Heerman's Gull 1st winter
Hermit Thrush with Pyracantha berry--1397
Hermit Thrush with Pyracantha berry--1397
Hermit Thrush
Herring Gull adult winter--3756
Herring Gull adult winter--3756
Herring Gull 3rd winter
Herring Gull 3rd winter
Hooded Merganser
Hooded Oriole male in flight #2--3977
Hooded Oriole male--3977
Hooded Oriole male in flight--3487
Hooded Oriole male--3487
Hook-billed Kite
House Finch male breeding plumage--8164
House Finch male breeding plumage--8164
House Finch
House Finch
Iceland Gull dark juvenile in flight
Iceland Gull dark juvenile in flight
Inca Dove in flight with shadow--9886
Inca Dove with shadow--9886
Inca Dove in flight, ventral wing--9885
Inca Dove, ventral wing--9885
Inca Tern flight over ocean--6736
Inca Tern flight over ocean--6736
Inca Tern in flight eye level--6735
Inca Tern in flight eye level--6735
Ivory Gull in flight--1000
Ivory Gull in flight--1000
Kelp Gull in flight
Kelp Gull
Killdeer calling in flight downstroke--6280
Killdeer calling downstroke--6280
Killdeer in flight coasting--8315
Killdeer coasting--8315
King Eiders
Laughing Gull
Laysan Albatross
Least Bittern adult
Least Bittern adult
Least Bittern juvenile
Least Bittern juvenile
Least Sandpiper stack--7320-#2
Least Sandpiper stack--7320-#2
Least Sandpiper in flight with water reflections--7256
Least Sandpiper in flight with water reflections--7256
Least Tern adult in flight dorsal
Least Tern adult in flight dorsal
Least Tern adult in flight with fish
Least Tern adult in flight with fish
Lesser Black-backed Gull 1st winter in flight ventral
Lesser Black-backed Gull 1st winter in flight ventral
Lesser Black-backed Gull 1st winter in flight dorsal
Lesser Black-backed Gull 1st winter in flight dorsal
Lesser Nighthawk
Lesser Nighthawk male dorsal view--2808
Lesser Nighthawk male dorsal view--2808
Lesser Scaup pair in flight
Lesser Scaup pair
Limpkin
Little Blue Heron
Long-billed Dowitcher, basic plumage
Long-billed Dowitcher, basic plumage
Long-billed Dowitcher in flight, alternate plumage--0101
Long-billed Dowitcher, alternate plumage--0101
Long-tailed Duck
Long-eared Owl--1896
Long-eared Owl--1896
Long-eared Owl ventral wing--0372
Long-eared Owl ventral wing--0372
Long-tailed Duck male oars on the water
Long-tailed Duck male oars on the water
Long-tailed Jaeger
Long-tailed Jaeger juvenile light morph in flight
Long-tailed Jaeger juvenile light morph in flight
Lucy's Warbler male--9922
Lucy's Warbler male--9922
Magnificent Frigatebird
Mallards
Mallard male in flight
Mallard male
Marbled Godwit
Mew Gull
Mexican Ducks
Mexican Ducks
Mississippi Kite
Mountain Bluebird male in flight through Ponderosa Pine--5140
Mountain Bluebird male in flight through Ponderosa Pine--5140
Mountain Bluebird male banking in flight--6007
Mountain Bluebird male banking in flight--6007
Mourning Dove
Nene dorsal wing
Nene dorsal wing
Nene ventral wing
Nene ventral wing
Neotropic Cormorant
Neotropic Cormorant sunrise
Neotropic Cormorant sunrise
Northern Cardinal male flight #3--0430
Northern Cardinal male--0430
Northern Cardinal female
Northern Cardinal female
Northern Fulmar
Northern Harrier male
Northern Harrier male
Northern Harrier juvenile
Northern Hawk Owl
Northern Mockingbird in flight, upstroke--2211
Northern Mockingbird, upstroke--2211
Northern Mockingbird, downstroke--2210
Northern Mockingbird, downstroke--2210
Northern Parula female in flight
Northern Parula female
Northern Pintail male--1572
Northern Pintail male--1572
Northern Pintail male--1058
Northern Pintail male--1058
Northern Pyngmy-Owl in flight--4677
Northern Pygmy-Owl in flight--4677
Northern Pygmy-Owl with prey
Northern Pygmy-Owl with prey
Northern Rough-winged Swallow aquatic capture--4482--3
Northern Rough-winged Swallow aquatic capture--4482--3
Northern Rough-winged Swallows squabbling--9912
Northern Rough-winged Swallows squabbling--9912
Northern Shoveler male in flight--0626
Northern Shoveler male
Northern Shoveler male in flight showing green speculum--6389
Northern Shoveler male in flight showing green speculum--6389
Orange-crowned Warbler in flight--8044
Orange-crowned Warbler--8044
Orange-crowned Warbler--5791
Orange-crowned Warbler--5791
Osprey with trout--8001
Osprey with trout--8001
Osprey with trout #2
Painted Redstart in flight--5670
Painted Redstart in flight--5670
Palm Warbler in flight--7282
Palm Warbler in flight--7282
Parasitic Jaeger dark morph adult harassing Black-legged Kittiwake with fish
Parasitic Jaeger dark morph adult harassing Black-legged Kittiwake with fish
Parasitic Jaeger chasing dark morph Pomarine Jaeger
Parasitic Jaeger chasing dark morph Pomarine Jaeger
Pectoral Sandpiper in flight--2951
Pectoral Sandpiper in flight--2951
Peregrine Falcon female--4848
Peregrine Falcon female--4848
Peregrine Falcons
Phainopepla male
Phainopepla male
Phainopepla female
Phainopepla female
Pied-bill Grebe
Pied-bill Grebe
Pigeon Guillemots
Pinyon Jay in flight--4895
Pinyon Jay in flight--4895
Pomarine Jaeger
Prairie Falcon adult in flight, black axillars, full crop--0001
Prairie Falcon
Prairie Falcon juvenile--6932
Prairie Falcon juvenile--6932
Purple Martin male in flight dorsal wing--1355
Purple Martin male dorsal wing--1355
Purple Martin female in flight--7299
Purple Martin female--7299
Pygmy Nuthatch in flight--6439
Pygmy Nuthatch in flight--6439
Reddish Egret immature--9930
Reddish Egret immature--9930
Redhead male in flight--8410
Redhead male--8410
Red-faced Warbler--5574
Red-faced Warbler--5574
Red-footed Booby ventral view
Red-footed Booby ventral view
Red-footed Booby dorsal view
Red-footed Booby dorsal view
Red-legged Kittiwake
Red-shafted Flicker male in flight, downstroke--7517
Red-shafted Flicker male, downstroke--7517
Red-shafted Flicker female in flight--2251
Red-shafted Flicker female--2251
Red-shouldered Hawk dorsal wing
Red-shouldered Hawk dorsal wing
Red-shouldered Hawk in flight ventral wing--9699
Red-shouldered Hawk ventral wing--9699
Red-tailed Hawk adult rufous morph
Red-tailed Hawk adult dark morph
Red-tailed Hawk adult dark morph
Red-throated Loon
Red-winged Blackbird
Ring-billed Gull
Ring-billed Gull juvenile
Ring-billed Gull juvenile
Ring-necked Duck male, nictitating membrane partially drawn--3913
Ring-necked Duck male, nictitating membrane partially drawn--3913
Ring-necked Ducks
Rock Pigeon
Rock Pigeon in flight with nesting material
Rock Pigeon with nesting material
Roseate Spoonbill
Roseate Spoonbill juvenile
Roseate Spoonbill juvenile
Rose-throated Becard male in flight--6601
Rose-throated Becard male--6601
Rosy-faced Lovebird pair in flight
Rosy-faced Lovebird pair
Rosy-faced Lovebird juvenile in flight-2702
Rosy-faced Lovebird juvenile-2702
Rough-legged Hawk adult light morph
Rough-legged Hawk adult light morph
Rough-legged Hawk immature light morph--7966
Rough-legged Hawk immature light morph--7966
Royal Tern
Royal Tern adult breeding in flight with fish
Royal Tern adult breeding in flight with fish
Ruby-crowned Kinglet, ventral view, October--1711
Ruby-crowned Kinglet, ventral view, October--1711
Ruddy Turnstone winter adult
Ruddy Turnstone winter adult
Rufous Hummingbird
Sabine's Gull
Sandhill Crane wing silhouette--3504
Sandhill Crane wing silhouette--3504
Sandhill Crane dropping into corn
Sandhill Crane dropping into corn
Sandwich Tern in flight with fish
Sandwich Tern in flight with fish
Sandwich Tern
Say's Phoebe
Say's Phoebe
Say's Phoebe
Say's Phoebe
Scarlet Macaw
Scarlet Macaw
Scissor-tailed Flycatcher
Scott's Oriole first spring male in flight--6110
Scott's Oriole first spring male--6110
Sharp-shinned Hawk adult female in flight
Sharp-shinned Hawk adult female
Sharp-shinned Hawk juvenile male in flight--7896
Sharp-shinned Hawk juvenile male--7896
<div class="onecolumnbox"><img src="../media/Black-necked-Stilt--0001.jpg" alt="Black-necked Stilt in flight--0001" width="600" height="429" /></div>
Short-eared Owl in flight
Short-eared Owl wing clap--4391
Short-eared Owl wing clap--4391
Short-tailed Hawk
Snail Kite female carrying Apple Snail
Snail Kite male carrying Apple Snail
Snail Kite male carrying Apple Snail
Snow Goose
Snow Goose--umbrella wings--0001
Snow Goose--umbrella wings--0001
Snowy Egret
Snowy Owl
Song Sparrow saltonis race in flight--2368
Song Sparrow
South Polar Skua
South Polar Skua
Spectacled Eider
Spotted Sandpiper in flight downstroke--7596
Spotted Sandpiper downstroke--7596
Spotted Sandpiper in flight--2324
Spotted Sandpiper--2324
Steller's Eider
Swainson's Hawk
Swallow-tailed Kite
Townsend's Solitaire dorsal wing--0172
Townsend's Solitaire dorsal wing--0172
Townsend's Solitaire ventral wing--0224
Townsend's Solitaire ventral wing--0224
Tricolored Heron adult
Tricolored Heron adult
Tricolored Heron juvenile
Tricolored Heron juvenile
Trumpeter Swan in flight--1088A
Trumpeter Swan--1088
Trumpeter Swans in flight vertical--1050
Trumpeter Swans--1050
Turkey Vulture
Vaux's Swift
Verdin--7771
Verdin--7771
Vermilion Flycatcher male flight display--6711
Vermilion Flycatcher male flight display--6711
Vermilion Flycatcher female, ventral flight--1445
Vermilion Flycatcher female--1445
Violet-crowned x Broad-billed Hummingbird hybrid
Violet-green Swallow male leaving nest cavity--1571
Violet-green Swallow male leaving nest cavity--1571
Violet-green Swallow female-4901
Violet-green Swallow female-4901
Western Bluebird male--1978
Western Bluebird male--1978
Western Bluebird female in flight--4848
Western Bluebird female--4848
Western Kingbird in flight showing diagnostic outer tail feathers--0354
Western Kingbird diagnostic outer tail feathers--0354
Western kingbird in flight--2149
Western Kingbird--2149
Western Meadowlark in flight--07322
Western Meadowlark in flight--07322
White Ibis
White-faced Ibis in flight--7296
White-faced Ibis in flight--7296
White-tailed Hawk
White-tailed Kite
White-tailed Tropicbird
White-tailed Tropicbird diving
White-throated Swift--4468
White-throated Swift--4468
White-winged Dove--8463
White-winged Dove--8463
White-winged Dove--5456
White-winged Dove--5456
Whooping Crane
Williamson's Sapsucker male in flight #2--7141
Williamson's Sapsucker male--7141
Williamson's Sapsucker male catching gnats on the wing--6603
Williamson's Sapsucker male catching gnats on the wing--6603
Wood Stork
Yellow-headed Blackbird juvenile male in flight--9730
Yellow-headed Blackbird juvenile male--9730
Yellow-headed Blackbird female--2838
Yellow-headed Blackbird female--2838
Yellow Warbler
Yellow-footed Gull adult non-breeding in flight
Yellow-footed Gull adult non-breeding in flight
Yellow-footed Gull 1st winter
Yellow-footed Gull 1st winter
Yellow-rumped Warbler (Audubon's) male in flight--0662
Yellow-rumped Warbler (Audubon's) male in flight--0662
Yellow-rumped Warbler (Audubon's) hover plucking Fan Palm berries
Yellow-rumped Warbler (Audubon's) hover plucking Fan Palm berries
Zone-tailed Hawk male--0098
Zone-tailed Hawk male--0098
Zone-tailed Hawk female
Zone-tailed Hawk female
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