U.S. Fish & Wildlife Service Photographs (2013)
- Acorn Woodpecker
- Adonis Blazing Star
- Adult Bald Eagle
- Adult Male Red-Winged Blackbird
- African Ground Squirrel
- African Lion
- African Lioness
- African Lionesses
- Agave Plant
- Aghileen Pinnacles and Wilderness Area in Izembek National Wildlife Refuge
- Aghileen Pinnacles in Izembek National Wildlife Refuge
- Aiktak Island Shore
- Alaska Salmon Jumping Upstream
- Alaska Wild Berries
- Alaska Wildflower (Red and Green)
- Alaska Wildflower (White)
- Alaska Wildflowers (Pink and Red)
- Alaska Wildflowers (White)
- Albatross Chick
- Albatross Chick in Nest
- Aleutian Cackling Goose
- Aleutian Canada Geese
- Aleutian Canada Goose
- Alligator at Water’s Edge
- Alligator Bellowing 1
- Alligator Bellowing 2
- Alligator Eye
- Alligator Flag Plants in Everglades National Park
- Alligator Hissing
- Alligator on Bank of Pond in St. Marks National Wildlife Refuge
- Alligator Snapping Turtle
- Alligator with Mouth Open
- Alpine Anemones
- Amber Mushrooms in Dead Vegetation
- American Alligator in the Grass
- American Alligator in the Water
- American Avocet
- American Avocet and Its Reflection
- American Avocet in Breeding Plumage
- American Black Duck in Flight
- American Black Duck in the Water
- American Blueheart
- American Bullfrog
- American Columbine
- American Columbines
- American Coot
- American Coots
- American Crocodile with Jaws Open
- American Dipper on Mossy Perch
- American Dipper on Rock
- American Eider Hen
- American Golden Plover
- American Lotus
- American Painted Lady Butterfly on Common Milkweed
- American Pipit
- American Robin on Branch
- American Robin on Perch
- American White Pelican
- American White Pelicans
- American Wigeon Brood
- American Wigeon Drake
- American Wigeon in a Pond
- American Wigeon on a Rock
- American Wigeons
- Andrew’s Gentians
- Anhinga
- Aoache Plume by Flashlight
- Arctic Fox
- Arctic Fox in Snow
- Arctic Fox Pup
- Arctic Loon in Water
- Arctic National Wildlife Refuge Coastal Plain and Brooks Range Mountains
- Arctic National Wildlife Refuge Coastal Plain, Barren Tundra and Brooks Range Mountains
- Arctic National Wildlife Refuge Coastal Plain, Caribou Aggregation
- Arctic National Wildlife Refuge Coastal Plain, Caribou and Brooks Range Mountains
- Arctic National Wildlife Refuge Coastal Plain, Caribou and Sea Ice
- Arctic National Wildlife Refuge Coastal Plain, Porcupine Caribou Herd
- Arctic National Wildlife Refuge Coastal Plain, Tundra
- Arctic National Wildlife Refuge Coastal Plain, Tundra in Bloom
- Arctic Tern in Nest
- Arctic Tern on Tree Stump
- Arctic Terns
- Arctic Terns on Rock
- Arizona Lupine
- Arkansas Cornflower
- Aromatic Asters
- Arrowhead
- Ash-Throated Flycatcher
- Aspen Forest in Yukon Flats National Wildlife Refuge
- Atlantic Puffin Head
- Atlantic Salmon Parr
- Atlantic Salmon Smolts
- Attwater Prairie Chicken
- Auklets on Rocky Shore
- Autumn Trees in the Wetlands of Swan Lake National Wildlife Refuge
- Avocets in Migratory Bird Refuge
- Azure Bluets
- Baby Owl
- Baird’s Sandpiper Chicks in Nest
- Baird’s Sandpiper in Dense Vegetation
- Bald Cypress Tree Knees in Cypress Creek National Wildlife Refuge
- Bald Cypress Tree Knees in Lacassine National Wildlife Refuge
- Bald Cypress Tree Knees in Muddy Water
- Bald Cypress Trees and Duckweed in Lacassine National Wildlife Refuge
- Bald Cypress Trees in Lacassine National Wildlife Refuge
- Bald Cypress Trees in Okefenokee National Wildlife Refuge
- Bald Eagle Approaching Nest
- Bald Eagle at Water’s Edge
- Bald Eagle Chicks
- Bald Eagle Fledgling
- Bald Eagle in Flight, Blue Sky Background
- Bald Eagle in Flight, Cloudy Background
- Bald Eagle on Perch
- Bald Eagle on Tree Stump
- Bald Eagle on Whale Carcass
- Bald Eagle on Wooden Perch
- Bald Eagle Preparing to Land
- Bald Eagle Sitting in Barren Tree
- Bald Eagle Sitting in Leafy Tree
- Bald Eagles in Nest
- Bald Eagles in Tree
- Baltimore Oriole on Branch
- Banded Rock Rattlesnake
- Bar-Tailed Godwit in the Tundra
- Bar-Tailed Godwit on the Ground
- Bar-Tailed Godwits
- Barn Owl on the Ground
- Barn Swallow
- Barrel Cactus in Bloom
- Barrow’s Goldeneye Drake
- Barrow’s Goldeneye Hen
- Bats Vocalizing
- Beach Fleabanes in Full Bloom on Amchitka Island
- Bear Cubs Growling
- Bear Growling 1
- Bear Growling 2
- Bearberry and Dwarf Birch in September
- Bearded Dragon Lizard
- Beavertail Cactus
- Bed of Blue-Eyed Maries
- Behring Orchid
- Berwick’s Wren
- Big Bend Bluebonnet
- Birch Tree
- Bird Endangered by 2004 Alaskan Oil Spill
- Birds Flying over Marshy Area of Humboldt Bay National Wildlife Refuge
- Black Crappie
- Black Duck
- Black Guillemot
- Black Oystercatcher
- Black Oystercatcher on Rock
- Black Oystercatcher on Rocks
- Black Skimmer
- Black Spruce Trees and Ledum Shrubs
- Black Swallowtail Butterfly
- Black Swallowtail Butterfly, Wings Fully Extended
- Black Toad
- Black-Bellied Plover
- Black-Billed Magpie
- Black-Crowned Night Heron Hunting in Marsh
- Black-Crowned Night Heron on Branch, Leafy Background
- Black-Crowned Night Heron on Branch, Sky Background
- Black-Crowned Night Heron on Bush
- Black-Crowned Night Heron on Dead Log
- Black-Eyed Susan
- Black-Footed Albatross
- Black-headed Grosbeak on Branch
- Black-Headed Grosbeak on Railing
- Black-Legged Kittiwake and Chick in Nest
- Black-Legged Kittiwake Colony
- Black-Legged Kittiwake in Flight
- Black-legged Kittiwakes in Cliff Nest
- Black-Legged Kittiwakes in Nests
- Black-Legged Kittiwakes on Cliff Ledge
- Black-Necked Stilt and Mallards
- Black-Tailed Rattlesnake
- Blackberry Plant
- Bladderwort
- Blanket Flower
- Bloodroot
- Bloodroots
- Blue Phlox
- Blue Violet
- Blue-Eyed Mary Flower
- Blue-Winged Teal Drake in Water
- Blue-Winged Teal Drake in Water, Head Turned
- Blue-Winged Teal Drake on Log
- Bluebell
- Blueberry Shrub
- Bobwhite Quail
- Bog Saxifrage, Jacob’s Ladder and Lousewort
- Bog Turtle
- Bonaparte’s Gull Chick on Branch
- Bonaparte’s Gull on Branch
- Bonaparte’s Gull on Pebbled Beach
- Bonaparte’s Gull on Sand
- Bonaparte’s Gull Swimming
- Boreal Forest Floor in Yukon Flats National Wildlife Refuge
- Brant in Defensive Position
- Brant in Dry Grass
- Brant in Grass
- Brant Protecting Goslings
- Brazilian Pepper Plant
- Brewer’s Sparrow
- Bristle-Thighed Curlew
- Broad-Banded Copperhead
- Brook Trout Swimming in Stream
- Brook Trout Underwater
- Brown Bear Eating Salmon
- Brown Bear Surrounded by Salmon
- Brown Pelican Approaching Nesting Colony
- Brown Pelican Chick
- Brown Pelican in Flight
- Brown Pelican on Water
- Brown Pelican Perching on Sign
- Brown Pelicans
- Brown Pelicans in Mangrove Tree
- Brown Towhee
- Brown Tree Snake
- Bufflehead Drake
- Bufflehead Ducks
- Bufflehead Ducks on Lake Hood
- Bull Snake
- Bullfrog on Lily Pad
- Bullfrog on Log
- Bullock’s Oriole
- Bulrush
- Bunchberry Flower
- Bunchberry Plant
- Burrowing Owls
- Butterfly Weed
- Button Blazing Star
- Button Cactus with Fruit
- Buttonbush Clusters
- Buttonbush Flower
- Cackling Canada Goose
- Cackling Canada Goose Brood
- Cackling Canada Goose Gosling
- Cackling Canada Goose Goslings
- Cackling Canada Goose in Nest with Eggs
- Cackling Canada Goose Sitting on Eggs in Nest
- Cactus Flower
- Cactus with a Face
- Calico Asters
- California Condor at Release
- California Condor in Flight
- California Condors
- California Gull
- California Marsh
- California Quail Standing on Rock
- California Towhee
- Calopogon Orchid
- Canada Geese at Water’s Edge
- Canada Geese Brood Swimming
- Canada Geese Brood Swimming in a Line
- Canada Geese Goslings
- Canada Geese on Water
- Canada Goose
- Canada Goose Swimming with Goslings
- Canada Goose Taking Flight
- Canada Lily
- Canada Mayflower
- Canvasback Brood Swimming
- Canvasback Drake
- Canvasback Drakes
- Canvasback Duck
- Canvasback Duck Brood in Nest
- Canvasback Duck Swimming with Ducklings
- Canvasback Ducks
- Caracal Cat
- Cardinal Flower
- Carolina Chickadee
- Carolina Wild Pink
- Caspian Tern Chicks in Nest
- Caspian Terns
- Cassin’s Auklet
- Cassin’s Finch
- Cecropia Moth
- Cedar Waxwing Feeding on Berries
- Charred Tree Trunks in Kenai National Wildlife Refuge
- Cheetah
- Cheetahs Grooming Each Other
- Chesapeake Bay Wetlands
- Chinese Alligator
- Chipping Sparrow Standing in Grass
- Chipping Sparrow Standing on Rock
- Chowiet Plants
- Cinnamon Teal Duck
- Cinnamon Teal Hen
- Claret Cup Cacti in Bloom
- Claret Cup Cactus in Bloom
- Clark’s Grebe
- Clark’s Nutcracker
- Clasping-Leaf Coneflower
- Cliffs and Trees in Big Muddy National Fish and Wildlife Refuge
- Clinton’s Lily
- Close-up Nodding Ladies’-Tresses Orchids on Stalk
- Close-up of African Lioness
- Close-up of American Robin on Branch
- Close-up of Aromatic Asters
- Close-up of Bald Eagle
- Close-up of Barn Owl
- Close-up of Barn Swallow
- Close-up of Black-Crowned Night Heron
- Close-up of Bog Saxifrage, Jacob’s Ladder and Lousewort
- Close-up of Brown Pelican
- Close-up of Brown Pelican in Flight
- Close-up of California Condor
- Close-up of California Quail
- Close-up of Calopogon Orchid
- Close-up of Canada Goose
- Close-up of Canvasback Duck
- Close-up of Canvasback Duck in the Reeds
- Close-up of Columbia Lily
- Close-up of Common Snipe
- Close-up of Copperhead Snake Head
- Close-up of Cottongrass Field in Kanuti National Wildlife Refuge, One Year After a Fire
- Close-up of Crested Auklet
- Close-up of Dark Pink Lady’s Slipper Orchid
- Close-up of Desert Tortoise
- Close-up of Downy Woodpecker on Branch
- Close-up of Dutchman’s Breeches
- Close-up of Emperor Geese
- Close-up of Emperor Goose
- Close-up of Evening Snow Flower
- Close-up of False Rue Anemones
- Close-up of Flammulated Owl Head
- Close-up of Gray Shelf Mushrooms on Log
- Close-up of Great Egret
- Close-up of Great Plains Ladies’-Tresses
- Close-up of Green Fringed Orchid
- Close-up of Indian Paintbrushes
- Close-up of Laysan Albatross
- Close-up of Laysan Albatrosses
- Close-up of Least Auklet
- Close-up of Lemonade Sumac
- Close-up of Light Pink Lady’s Slipper Orchid
- Close-up of Loggerhead Shrike
- Close-up of Longtail Salamander Face
- Close-up of Mayapple
- Close-up of Northern Fulmar in Flight
- Close-up of Prairie Lady’s Slipper-Yellow Lady’s Slipper Hybrid
- Close-up of Prickly Pear Cactus
- Close-up of Purple Phacelia
- Close-up of Relict Trillium Plant
- Close-up of Rocky Mountain Columbine
- Close-up of Rose Pogonia
- Close-up of Scale Pattern on Butterfly Wing
- Close-up of Seabeach Amaranth Plant
- Close-up of Short-Tailed Albatross Head
- Close-up of Snow Geese in Water
- Close-up of Spiderwort Plant Blossom
- Close-up of Spotted Jewelweed Flower
- Close-up of Swainson’s Hawk
- Close-up of Swamp Pink Flower
- Close-up of Texas Bluebonnet
- Close-up of Tufted Puffin
- Close-up of Western Meadowlark
- Close-up of White Fringeless Orchids
- Close-up of Wood Duck in Water
- Close-up of Yellow Prairie Paintbrushes
- Clubmoss
- Cluster of Colic Roots
- Cobwebs on Teasel Plant
- Coiled Copperhead Snake
- Colic Roots
- Collared Lizard
- Columbia Lily
- Common Goldeneye
- Common Grackle
- Common Ground Dove
- Common Loon in Nest
- Common Loon in Water
- Common Merganser
- Common Merganser Brood
- Common Mergansers
- Common Moorhen
- Common Murres Perched on Castle Rock Cliff
- Common Murres Perched on Hall Island Cliff
- Common Nighthawk on Branches
- Common Nighthawk on Rock
- Common Raven
- Common Snipe
- Common Tern with Fish
- Common Yellowthroat in Hand
- Common Yellowthroat on Branch
- Compass Plant
- Coneflower
- Coneflowers
- Copper Iris
- Coral Snake
- Coreopsis Major
- Cormorants on Sea Rocks
- Cormorants Perched on Branches
- Corncob Cactus
- Cottongrass Field in Kanuti National Wildlife Refuge, One Year After a Fire
- Cottonwood Trees, Natural Regrowth after Flooding
- Couch’s Spadefoot Toad
- Coyote
- Cranefly Orchid
- Cranes in Flight
- Crayfish
- Creeping Phlox
- Crested Auklet
- Crested Auklet on Cliff Rock
- Crested Auklets on Cliff Rock
- Crested Auklets on Cliff Rock, One Taking Off in Flight
- Crested Auklets on Rocks
- Croomia Pauciflora Plant
- Croomia Pauciflora Plants
- Dark-Eyed Junco on Branch
- David’s Penstemons
- Dayflower
- Dead Melaleuca Plants
- Deciduous and Evergreen Trees
- Delaware Skipper Butterfly on Black-Eyed Susan
- Delaware Skipper Butterfly on Milkweed
- Delta Coyote Thistle
- Desert Catchfly
- Desert Mallow
- Desert Tortoise
- Diamondback Terrapin Turtle
- Diana Fritillary Butterfly on Wild Quinine
- Dogwood Blossom
- Dogwood Blossoms
- Double-Crested Cormorant
- Double-Crested Cormorant in Nest
- Double-Crested Cormorant on Branch
- Double-Crested Cormorant on Rock
- Double-Crested Cormorants with Wings Spread
- Downy Lobelia Flowers
- Downy Lobelia Plant
- Downy Woodpecker on Branch
- Ducks Landing in Water
- Dunlins at the Shoreline
- Dusky Seaside Sparrow
- Dutchman’s Breeches
- Dwarf Cinquefoil
- Dwarf Crested Iris
- Dwarf Crested Irises
- Dwarf Larkspur in Bloom
- Dwarf Larkspur in Rocks
- Eagle Claw Cactus
- Eagle Sitting on Glacier
- Eared Coreopsis
- Eastern Bluebird
- Eastern Prickly Pear Cactus Blossoms
- Eastern Prickly Pear Cactus Blossoms in Rocks
- Eastern Tailed-Blue Butterfly
- Ebony Jewelwing on Black-Eyed Susan
- Elephant Head
- Elk Bellowing 1
- Elk Bellowing 2
- Emperor Geese in the Grass
- Emperor Geese in the Snow
- Emperor Geese on Rocks
- Emperor Geese on Snow-Covered Rocks
- Emperor Goose and Chicks
- Emperor Goose in Flight
- Eskimo Curlews
- Eurasian Wigeon
- Eureka Evening Primrose
- European Skipper Butterfly on Mistflower
- Evening Grosbeak
- Evening in the Lacassine National Wildlife Refuge
- Evening Primrose
- Evening Primrose in Bloom
- Evening Primrose with Metalmark Butterfly
- Evening Snow Flower
- False Dragonhead
- False Foxglove
- False Rue Anemone in Tree Trunk
- Fameflower
- Female Canvasback Duck
- Female Common Eider
- Female Greater Prairie Chicken
- Female Mallard on Land
- Female Northern Cardinal
- Female Northern Cardinal on Icy Branch
- Female Steller’s Eiders
- Female White-Crown Sparrow
- Female Willow Ptarmigan
- Field of Indian Paintbrushes
- Fiery Skipper Butterfly on Black-Eyed Susan
- Fire Pink
- Fireweed
- Fireweed Growing in Kenai National Wildlife Refuge, After a Fire
- Fishhook Cactus Between Rocks
- Fishhook Cactus with Pink Blossoms
- Fishhook Cactus with Red Blossom
- Fishhook Cactus with Yellow Blossoms
- Flammulated Owl in Nest
- Flathead Catfish
- Fleabane Asters
- Flicker Chicks Feeding
- Flightless White-Fronted Geese in Pen
- Flock of Auklets Flying over the Ocean
- Florida Panther
- Florida Scrub-Jay
- Flowering Button Cactus
- Fork-Tailed Storm-Petrel
- Fork-Tailed Storm-Petrel Chick
- Fork-Tailed Storm-Petrel in Flight
- Forster’s Tern in Flight
- Forster’s Tern on Rock
- Four-Point Evening Primrose
- Fox Sparrow
- Fox Sparrow on Branch
- Fox Sparrow on Dead Branch
- Fox Sparrow on Snowy Branch
- Fringed Campion
- Fringed Campion in Bloom
- Fringed Gentian
- Fringed Gentians
- Frogs 1
- Frogs 2
- Frogs and Rain in the Wetland
- Frogs Peeping
- Fulvous Whistling Duck
- Fulvous Whistling Ducks
- Gadwall Drake
- Gadwell Hen
- Garlic Mustard Leaves
- Gattinger’s Lobelia
- Geese Honking
- Geese Honking in the Distance
- Gila Monster
- Glacier Lilies
- Glaucous-Winged Gull
- Glaucous-Winged Gull Chicks
- Glaucous-Winged Gulls
- Glossy Snake
- Golden Currants
- Golden Eagle in Snow
- Golden Eagle in Tree
- Golden-Crowned Sparrow on Branch
- Golden-Crowned Sparrow on Snowy Branch
- Golden-Fronted Woodpecker
- Goldfinch
- Goldfinch
- Grass Coneflower
- Grass Pink
- Grassy Hillside with Fireweed
- Gray Catbird
- Gray Copper Butterfly on Birdsfoot Trefoil
- Gray Fox in Woods
- Gray Fox on Rock Ledge
- Gray Hairstreak Butterfly on Rattlesnake Master
- Gray Shelf Mushrooms on Log
- Gray Shelf Mushrooms on Log in Snow
- Gray Wolf
- Great Blue Heron
- Great Blue Heron in Long Grass
- Great Blue Heron in Water
- Great Blue Heron on Stump
- Great Blue Heron Surrounded by Lily Pads
- Great Blue Herons
- Great Blue Lobelia Plant
- Great Egret and Its Reflection
- Great Egret at Water’s Edge
- Great Egret in Shallow Water
- Great Egret in Water
- Great Egret on Branch
- Great Egret on Rock
- Great Horned Owl Chicks
- Great Plains Ladies’-Tresses
- Great Plains Skink
- Great Purple Hairstreak Butterfly on Common Dogbane
- Great Spangled Fritillary Butterfly on Butterfly Weed
- Greater Scaup Drake
- Greater Scaup Ducks
- Greater White-Fronted Goose
- Greater Yellowlegs at Shoreline
- Greater Yellowlegs Foraging at Shoreline
- Green Anole
- Green Blossoms of Barrel Cactus in Spines
- Green Fringed Orchid
- Green Gentian
- Green Heron
- Green Milkweed
- Green Pitcher Plant Bog
- Green Pitcher Plants
- Green Sea Turtle on Sand
- Green Sea Turtle Underwater
- Green Shelf Mushrooms
- Green-Backed Heron in Water
- Green-Backed Heron on Branch
- Green-Tailed Towhee on Branch
- Green-Tailed Towhee on Rock
- Green-Winged Teal in Water
- Green-Winged Teals
- Greenish-Yellow Blossoms of Barrel Cactus in Spines
- Greylag Geese
- Groove-Billed Ani
- Gulf Fritillary Butterfly on Dense Blazing Star
- Gull Chick
- Gumbo Lily in Gray Rocks
- Gumbo Lily in Red Rocks
- Hackberry Butterfly on Common Milkweed
- Hairy Beardtongue Flowers
- Hairy Buttercup Flower
- Hairy Woodpecker
- Harlequin Duck
- Harpy Eagle
- Hawaiian Geese
- Hawaiian Geese Feeding
- Hawaiian Geese on Land
- Hawaiian Vetch
- Hedgehog Cactus
- Heermann’s Gull in Flight
- Heermann’s Gull on Rock
- Hepatica in Bloom
- Hermit Thrush
- Heron
- Hog-Nosed Snake
- Honeybees
- Hooded Merganser Brood
- Hooded Merganser Hen
- Hop Merchant Butterfly
- Horned Grebe
- Horned Grebe in Nest
- Horned Puffin in Winter Plumage
- Horned Puffin on Rocky Cliff
- Horned Puffin Taking Off from Rocky Cliff
- Horned Puffins
- Horned Puffins on Cliff Ledge
- Horned Puffins on Rock
- Horned Puffins on Rocks
- House Finch on Branch
- House Finch on Branch Edge
- Houston Toad
- Hummingbird Feeding
- Illinois Bundle Flower
- Indian Pink
- Indigo Bunting
- Indigo Bunting
- Indigo Snake
- Invasive Purple Loosestrife
- Jack-in-the-Pulpit Plant
- Jack-in-the-Pulpit Plants
- Jacob’s Ladder Flower
- Jaguar on Rocky Ledge
- Jamison Island
- Japanese Hops Growing on Old Tree Stump
- Japanese Hops Leaf
- Johnson Grass Covering Floodplain
- Joshua Tree in the Desert
- Juvenile Copperhead Snake
- Juvenile Red-Shouldered Hawk
- Juvenile Red-Tailed Hawk
- Juvenile Red-Throated Loon
- Juvenile Sabine’s Gull
- Katydid on Early Goldenrod
- Kentucky Lady’s Slipper Orchid
- Kentucky Lady’s Slipper Orchids
- Kentucky Warbler Bringing Food to Her Chicks
- Killdeer
- King Eider Hen
- King Eider in Water
- Kittlitz’s Murrelet
- Kudzu Plants
- Kudzu Plants Overgrowing a Forest
- Ladies’-Tresses Orchid
- Lake Sturgeon
- Lake Trout
- Lange’s Metalmark Butterfly
- Large Flowering Bellwort
- Largemouth Bass
- Laughing Gull Chicks in Nest
- Laughing Gulls in Field
- Laysan Albatross in Flight
- Laysan Albatrosses
- Laysan Finch
- Leach’s Storm-Petrel
- Least and Crested Auklets on Cliff
- Least Auklet
- Least Auklet on Rocks
- Least Sandpiper and Chick
- Least Tern
- Lee’s Pincushion Cactus
- Lemonade Sumac
- Leonard’s Skipper Butterfly on Mexican Sunflower
- Leopard
- Leopard Tortoise
- Lesser Canada Geese in Flight
- Lesser Canada Goose Brood
- Lesser Frigate
- Lesser Scaup
- Lesser Yellowlegs in Wetlands
- Lily-Leaved Twayblade
- Little Blue Heron Fishing
- Little Blue Heron on Rocks
- Little Wood Satyr Butterfly on Carolina Buckthorn
- Lizard in Coachella Valley National Wildlife Refuge
- Loggerhead Sea Turtle
- Loggerhead Shrike
- Long-Billed Curlew
- Long-Billed Dowitcher at Water’s Edge
- Long-Billed Dowitcher with Beak in Water
- Long-Tailed Duck
- Long-Tailed Duck in Nest
- Long-Tailed Duck in Reeds
- Longtail Salamander
- Loon in Nest
- Loons
- Lotus Flower
- Louisiana Wetland Habitat Refuges
- Luna Moth
- Lupine Plant
- Lygodium Ferns
- Lygodium Ferns on the Ground
- Male Bufflehead Duck
- Male Common Eider
- Male Greater Prairie Chicken Doing Mating Display
- Male Greater Sage Grouse Doing Mating Display
- Male Greater Sage Grouse Doing Mating Display on Rocky Ground
- Male Green-Winged Teal
- Male King Eider
- Male Northern Cardinal
- Male Northern Gosjawk
- Male Spectacled Eider
- Male Steller’s Eider
- Male Yellow-Rumped Warbler
- Mallard Drake
- Mallard Drake Taking Off from Water
- Mallard Duck
- Mallard Duck Brood
- Mallard Duck Feeding
- Mallard Duck in Flight
- Mallard Hen in Water
- Mallard Hen Preening Herself
- Marbled Godwit at Water’s Edge
- Marbled Godwit in Water
- Marbled Godwit on Beach
- Marbled Godwits in Wetlands
- Marine Iguanas
- Maryland Golden Aster
- Mayapple
- Melaleuca Plant in Swamp
- Mew Gull Calling
- Mew Gull Chicks
- Mew Gull on Perch
- Mew Gull on Rock
- Mexican Hat Flower
- Mica Cap Mushroom
- Mica Cap Mushroom with Open Caps
- Michigan Lily
- Microscopic View of Atlantic Salmon Eggs
- Milkweed
- Millipede
- Mistletoe
- Molting Cackling Canada Goose
- Monarch Butterflies
- Monarch Butterfly
- Monarch Butterfly Caterpillar
- Monarch Butterfly Migration
- Monkey Flower
- Monkey Flowers
- Monkshood
- Monkshood and Rose Sedum Wildflowers
- Morel Mushroom Growing in Kanuti National Wildlife Refuge, One Year After a Fire
- Morning Glory in Bloom
- Mother Baird’s Sandpiper Sitting on Eggs
- Mountain Bluebells
- Mountain Bluebird on Branch
- Mountain Bluebird on Wire
- Mountain Chickadee
- Mountain Lion
- Mountain-Lover Flower
- Mourning Dove on Branch
- Mourning Dove on Rock
- Mule Deer
- Murre Colony on Cliff
- Murre Colony on Vertical Island Walls
- Murres on Sea Cliffs
- Narrow-Leaf Coneflower
- Narrow-Leaf Yucca
- Nashville Warbler
- New England Aster
- New England Asters
- New Mexican Ridge-Nosed Rattlesnake
- Night Snake
- Nodding Ladies’-Tresses Orchids on Stalk
- Nodding Ladies’-Tresses Orchids on Stalks
- Nodding Trillium (Red Blossom)
- Nodding Trillium (White Blossom)
- Nonbreeding Little Blue Heron
- Northern Bobwhite Quails
- Northern Flicker
- Northern Fulmar Flock
- Northern Fulmar in Flight
- Northern Fulmar in Water
- Northern Fulmar on Cliff
- Northern Goshawk on Branch
- Northern Mockingbird
- Northern Oriole
- Northern Pintail
- Northern Pintail Drake
- Northern Pintails
- Northern Pintails in Flight
- Northern Pygmy-Owl
- Northern Red-Legged Frog
- Northern Shoveler
- Northern Shoveler Drakes
- Northern Shovelers
- Northern Shrike
- Northern Water Snake
- Oconee Bells
- Ocotillo Plant
- Oil-Covered Crested Auklet from 2004 Alaskan Oil Spill
- Orange Hawkweed
- Orange-Crowned Warbler
- Osprey in Flight
- Osprey on Branch
- Overhead View of Diamondback Terrapin Turtle
- Pacific Eider Hen
- Pacific Loon Brood
- Pacific Loon Chick
- Pacific Walruses
- Painted Lady Butterfly
- Painted Trillium Plants
- Painted Turtle
- Pair of Greater Scaup Ducks
- Pale Jewelweed
- Pale Spiked Lobelia
- Palm Leaves
- Pandora’s Sphinx Moth
- Parakeet Auklet on Rock
- Parakeet Auklets
- Parakeet Auklets Communicating
- Parakeet Auklets in Flight
- Partridge Berry Flowers
- Partridge Pea Flower
- Passion Flower
- Pearl Crescent and American Painted Lady Butterflies
- Pearl Crescent and Spicebush Swallowtail Butterflies
- Peck’s Skipper Butterfly on Mistflower
- Pectoral Sandpiper
- Pelican Chick
- Pelican Island National Wildlife Refuge
- Philadelphia Fleabane
- Phlox
- Pied-Billed Grebe in Nest
- Pied-Billed Grebe in Water
- Pied-Billed Grebe Swimming
- Pigeon Guillemot
- Pigmy Rattlesnake
- Pine Siskin
- Pink Lady’s Slipper Orchid
- Pintail Drake
- Pintail Duck
- Pintail Ducks
- Pipevine Swallowtail Butterfly on Turk’s Cap Lily
- Piping Plover on the Beach
- Piping Plover on the Beach (Side View)
- Pitcher Plant
- Pitcher Plant Flower
- Pitcher Plants
- Plains Black-Headed Snake
- Plant Regrowth in Kanuti National Wildlife Refuge, One Year After a Fire
- Pogonia Blossom
- Poison Ivy
- Poison Ivy in the Fall
- Poisonwood Plant
- Pond Apple on Tree
- Pondberry Plants
- Prairie Blazing Star
- Prairie Dock
- Prairie Fringed Orchid
- Prairie Gentian
- Prairie Gentian and Yellow Goldenrod Flowers
- Prairie Gentians
- Prairie Lady’s Slipper Orchid
- Prairie Lady’s Slipper Orchids
- Prairie Lady’s Slipper-Yellow Lady’s Slipper Hybrid
- Prairie Paintbrushes (Multi-Colored)
- Prairie Paintbrushes (Orange and Yellow)
- Prairie Rattlesnake
- Praying Mantis Eating a Skipper Butterfly
- Pribilof Wildflowers
- Prickly Pear Cactus Blooms
- Prickly Pear Cactus with Fruit
- Prickly Seed Pods
- Prothonotary Warbler
- Puffball Mushroom
- Purple Coneflower
- Purple Cress
- Purple Finch
- Purple Fringed Orchid
- Purple Fringeless Orchid
- Purple Gallinule
- Purple Honeycomb Head
- Purple Honeycomb Head in a Georgia Pitcher Plant Bog
- Purple Loosestrife
- Purple Loosestrife and Johnson Grass
- Purple Martin
- Purple Martins
- Purple Phacelia
- Purple Prairie Clover
- Pursline Plant with Blossoms
- Putty Root Plant with Blossoms
- Pygmy Nuthatches
- Question Mark Butterfly
- Ragged Fringed Orchid
- Ragwort
- Rain Lily
- Rainbow Trout Swimming
- Rainbow Trout Underwater
- Rattlesnake
- Rattlesnake Orchid
- Red Admiral Butterfly on Purple Coneflower
- Red Beetle on Common Milkweed Blossom
- Red Blossoms of Claret Cup Cactus in Spines
- Red Crossbill in Tree
- Red Crossbill on Perch
- Red Fox
- Red Mangrove Leaves
- Red Mangrove Roots
- Red Mangrove Trees
- Red Mushroom with Yellow Gills
- Red Phalarope at Water’s Edge
- Red Phalarope in Water
- Red Phalaropes in Water
- Red Wolf Caught in Motion
- Red Wolf Running at Full Speed
- Red-Bellied Tree Duck
- Red-Bellied Woodpecker
- Red-Breasted Merganser
- Red-Breasted Nuthatch
- Red-Eared Slider Turtles
- Red-Faced Cormorant
- Red-Legged Kittiwake
- Red-Legged Kittiwakes
- Red-Necked Grebe in Water
- Red-Necked Grebe on Land
- Red-Necked Grebes in Courtship
- Red-Tailed Hawk
- Red-Tailed Hawk on Log
- Red-Tailed Wrasse
- Red-Throated Loon
- Red-Winged Blackbird
- Red-Winged Blackbird in Dense Vegetation
- Red-Winged Blackbird on Branch
- Reddish Egret
- Redhead Drake
- Relict Trillium Plant in Nepal Grass
- Ring-Billed Gull
- Ring-Necked Duck
- Rock Sandpiper
- Rock Sandpiper Chick
- Rock Sandpipers
- Rock Wren
- Rockcastle Aster
- Rocky Mountain Columbine
- Rose Hips
- Rose Pogonia
- Rose-Breasted Grosbeak
- Roseate Spoonbills
- Rosy Maple Moth
- Rough-Legged Hawk
- Rough-Legged Hawk Chicks
- Round Leaf Sundew Plants
- Royal Catchfly
- Royal Green Snake
- Royal Terns
- Ruby-Crowned Kinglet
- Ruddy Turnstone
- Rue Anemone
- Rugged Shore of Aiktak Island
- Sage Sparrow
- Sage Thrasher on Branch
- Sage Thrasher on Rock
- Sago Lilies
- Sago Lily
- Saguaro Cactus
- Salmon at Edge of Stream
- Salmon Fry
- Salmon Swimming in Stream
- Salt Marsh Wetlands
- San Francisco Garter Snake
- San Joaquin Kit Fox
- Sand Dune in Bon Secour National Wildlife Refuge
- Sanderlings
- Sandwich Tern Flying with Food
- Sandwich Terns
- Saw-Whet Owl
- Scarlet Paintbrush
- Scissor-Tailed Flycatcher
- Screech Owl
- Sea Oats with Spikelets
- Seabeach Amaranth Plant
- Seabirds
- Semipalmated Plover in Nest
- Semipalmated Plover on Land
- Semipalmated Sandpiper
- Serval Cat
- Sessile Trillium Plant
- Sessile Trillium Plants
- Shelf Mushroom
- Shooting Stars (Pink)
- Shooting Stars (White)
- Shorebirds
- Shorebirds and Seabirds
- Shorebirds and Waves
- Shorebirds in the Distance
- Short’s Asters (Purple)
- Short’s Asters (White and Purple)
- Short-Billed Dowitchers at Water’s Edge
- Short-Billed Dowitchers in Rows
- Short-Horned Lizard
- Short-Tailed Albatross
- Short-Tailed Albatross Taking Off from the Sand
- Short-Tailed Albatrosses
- Showy Gentian Plant
- Showy Gentian Plant with Unopened Blossoms
- Showy Indian Clover
- Showy Lady’s Slipper Orchid
- Showy Orchids (Pink)
- Showy Orchids (White and Pink)
- Siberian Tiger
- Silky Asters
- Silver-Spotted Skipper Butterfly on Wild Bergamot
- Silvery Lupine
- Slaty-Backed Gull
- Small’s Beardtongues
- Small-Flowered Bellwort
- Smallmouth Bass
- Smooth Beardtongues
- Smooth Green Snake
- Snakeweeds
- Snipes in Snow
- Snow Geese Flock
- Snow Geese in Flight
- Snow Geese in Water
- Snow Goose in Nest
- Snow Trillium Plant
- Snow Trillium Plants
- Snowy Egret
- Soaptree Yucca Blossoms
- Soapwort Gentian and Nodding Ladies’-Tresses
- Soapwort Gentian Blossoms
- Sora in Grass
- Sora in Water
- South Dakota Wildflowers
- Southern Blue Flag Iris
- Southern Cloudywing Butterfly
- Southern Harebell
- Southern Red Trillium (Red Petals)
- Southern Red Trillium (Yellow Petals)
- Spanish Moss
- Spectacled Eider Swimming
- Spectacled Eiders in Flight
- Spectacled Eiders in Water
- Spectacled Eiders in Winter
- Spectacled Eiders Swimming
- Sphinx Moth
- Spicebush Swallowtail Butterfly on Common Milkweed
- Spider Lilies
- Spiderwort Blossom
- Spinytail Iguana
- Sponge Mushroom
- Spoonbills and a Shorebird
- Spotted Jewelweed Flower
- Spotted Sandpiper
- Spotted Saxifrage Wildflowers
- Steller’s Eiders
- Steller’s Jay
- Stiff Gentians
- Stork’s Bill Flowers
- Striped Bass
- Succulent Beach Plant Leaves
- Sundrop Flower
- Sunflowers
- Swainson’s Hawk on Perch
- Swallowtail Butterfly
- Swamp Pink
- Swamp Pink in Wetlands
- Swan
- Swan Cygnet Swimming
- Swans in Flight
- Swans Swimming with Cygnets
- Sweet Black-Eyed Susans
- Tawny Emperor Butterfly
- Tawny Emperor Butterfly on Common Milkweed
- Teddy Bear Cholla Cactus
- Tennessee Madtom
- Terns
- Texas Bluebonnet
- Texas Diamondback Rattlesnakes
- Texas Horned Lizard
- Texas Madrone Tree
- Texas Spiny Softshell Turtle
- Texas Wild Rice
- Thick-Billed Murres on Cliff
- Thick-Billed Murres on Rock
- Thrasher
- Tiger Salamander
- Tiger Swallowtail Butterfly on Bergamot
- Tiger Swallowtail Butterfly on Dense Blazing Star
- Tiger Swallowtail Butterfly on Lance-Leaved Coreopsis
- Tree Swallow
- Trees in Kanuti National Wildlife Refuge
- Tri-Colored Heron in Foliage
- Tri-Colored Heron on Rock
- Tropical Cormorants on Branches
- Trumpeter Swan Hen and Her Young
- Trumpeter Swan in Flight
- Trumpeter Swan on Shore
- Trumpeter Swans Swimming
- Tufted Duck
- Tufted Puffin in Flight
- Tufted Puffin in Water
- Tufted Puffin on Rock
- Tufted Titmouse
- Tufted Titmouse
- Tulip-Tree Silk Moth
- Tundra Swan
- Tundra Swan in Flight
- Tundra Swans
- Tundra Swans
- Tundra Swans in Water
- Turkey Vulture
- Twinflower Blossoms
- Twinleaf Blossom
- Twinleaf Leaves
- Twinleaf Plant
- Umbrella Thorn Acacia Tree
- Variegated Fritillary Butterfly on Butterfly Weed
- Viceroy Butterfly on Dense Blazing Star
- Virginia Bluebell
- Virginia Bluebells
- Virginia Round-Leaf Birch Tree Stem
- Walleye
- Wallflower
- Wandering Garter Snake
- Wandering Tattler at Water’s Edge
- Wandering Tattler on Land
- Wandering Tattler on Rock
- Water Hyacinths
- Water Lilies
- Water Lily
- Water Moccasin
- West Indian Mahogany Tree Seedlings
- Western Bluebird
- Western Diamondback Rattlesnake
- Western Fence Lizard
- Western Flycatcher
- Western Grebe
- Western Hognose Snake
- Western Kingbird
- Western Meadowlark
- Western Pond Turtle
- Western Sandpiper
- Western Screech Owl
- Western Snowy Plover
- Western Tanager
- Western Zebra-Tailed Lizard
- Wetland Field Covered with Sagittaria Plants
- Wetland Plants in Louisiana
- Wetland Plants in Okefenokee National Wildlife Refuge
- Wetland Vegetation in Laguna Atascosa National Wildlife Refuge
- Whales Spouting
- Whimbrel
- Whiskered Auklet
- Whiskered Auklet Chick
- Whistling Ducks
- White American Robin
- White Arctic Fox at Pribilof Island Oil Spill
- White Bog Orchid
- White Cardinal Flower
- White Cardinal on Branch
- White Fringeless Orchids
- White Gentians
- White Ibis
- White Narrow-Leaved Cornflower
- White Pelican
- White Pelicans
- White Pelicans Taking Off from the Water
- White Prairie Clover
- White Shelf Mushrooms
- White Terns
- White Trillium
- White Trout Lilies
- White Trout Lily
- White Water Lily
- White-Breasted Nuthatch
- White-Crown Blue Sparrow
- White-Crowned Sparrow
- White-Faced Ibis
- White-Fronted Geese in Water
- White-Fronted Goose in Water
- White-Fronted Goose Landing on Water
- White-Haired Goldenrod
- White-Throated Sparrow
- White-Winged Scoter on Rock
- White-Winged Scoters
- White-Winged Scoters Swimming
- Whooper Swans
- Whooper Swans in Flight
- Whooping Crane Catching a Meal
- Whooping Crane Chasing Fawn
- Whooping Cranes
- Whorled Pogonia
- Wigeon
- Wild Flax
- Wild Geranium
- Wild Iris
- Wild Mustard Plants
- Wild Petunia in Bloom
- Wild Petunia near Log
- Wild Rose
- Wild Turkeys
- Wildfire Trees Burning
- Wildflowers in Montezuma National Wildlife Refuge
- Wildflowers in New Mexico
- Wildflowers in the Marble Mountain Wilderness
- Wildflowers on Rat Island
- Willet
- Willow Ptarmigan
- Wilson’s Warbler
- Winged Monkey Flower
- Wolf Pack Howling
- Wolves Howling
- Wolves Howling in the Distance
- Wood Duck Drake in Water
- Wood Duck in Water
- Wood Duck on Land
- Wood Lily
- Wood Sandpiper in Water
- Wood Sandpiper on Plant
- Wood Stork Chicks
- Wood Storks
- Wood’s False Hellebore (Brown Blossoms)
- Wood’s False Hellebore (Green Blossoms)
- Woodcock
- Woodhouse Toad
- Woodpecker Tapping
- Wyoming Paintbrush
- Wyoming Paintbrushes
- Yellow Clintonia
- Yellow Columbine
- Yellow Flax
- Yellow Lady’s Slipper Orchid
- Yellow Lady’s Slipper Orchids
- Yellow Leafcups
- Yellow Trillium Blossom
- Yellow Trillium Blossoms
- Yellow Trout Lilies
- Yellow Trout Lily
- Yellow-Crested Orchids
- Yellow-Fringed Orchid
- Yellow-Fringed Orchids
- Yellow-Headed Blackbird in Reeds
- Yellow-Headed Blackbird on Dried Cane
- Yellow-Rumped Warbler
- Yucca Trees in Desert National Wildlife Refuge
- Yukon Delta Wetland
- Yukon Flats Birch Trees
- Zebra Swallowtail Butterfly
- Zion Paintbrush
- Zion Paintbrushes
- Zone-Tailed Hawk
1262 Photographs & Audio Files