3,856 Free Photos of Threatening

endangered and/or threatened species wildlife refuge work of the service animals biologists(usfws)mammals water wildlife viewing fish wildlife

Two year old pallid sturgeon

Rafinesque's big-eared bat

Gray wolf-2

Southern Sea otter with green crab

Barrier protects mountain yellow-legged frogs from nonnative tro

landscape water

Biologists deploy a GPS elk collar on a cow elk

Willamette Daisy

California Condor released at Hopper Mountain NWR

landscape mountain

Pallid sturgeon-3

Biologist shows front view of Gulf sturgeon in river-2

Biologist stocks Gila trout into Mineral Creek

Pallid sturgeon juvenile yearling-1

Photographer captures anglers with their fresh catch

Recreational boating along the Columbia River-2

Delmarva Peninsula fox squirrel pit tagging-1

maryland mammals

Candy darter-1

Biologists secure boat along shoreline

Ash Meadows Amargosa pupfish-1

Cave opening at Carters Cave-3

Silver fox in silhouette

Biologist carefully moves the sedated lynx to a recovery position

Coastal sage scrub and oak riparian woodlands

Natural resource professionals looking for Tidewater Goby

Releasing a captured lynx

Newly collared female lynx recovers from sedation

wildlife animals

Wood stork-1

Young couple releases a Fall Salmon-1

Captive Devils Hole pupfish-2

Ash Meadows Amargosa pupfish-3

Ash Meadows Amargosa pupfish-1

Measuring a transect

landscape water

Ash Meadows Amargosa pupfish-1

Recreational boating on the Columbia River-1

Biologists tagging Delmarva Peninsula fox squirrels-2

Captive Devils Hole pupfish-5

Ash Meadows Amargosa pupfish-1

Black-footed Ferret reintroduction site

landscape mammals

Indiana bat-1

landscape water

Ash Meadows Amargosa pupfish-1

Angler holds a Fall Chinook salmon

Attaching a small satellite GPS collar on a sedated lynx

Fishing near a small town along the Columbia River-2

Razorback sucker-1

Ash Meadows gumplant

Fishing near a small town along the Columbia River

Service biologist,Claire Ellwanger, counts green pitcher plants

Biologists in boat study Gulf sturgeon in river

Collared lynx exits the trap

wildlife animals

Black-footed Ferret-1

wildlife mammals

Front paw of a sedated female lynx

animals mammals

Endangered Tobusch fishhook cactus flower

Biologist stocks Gila trout in Mineral Creek-2

Female lynx heads back to the forest

wildlife animals

Newly collared female lynx-1

wildlife animals

Atlantic salmon parr in Cobble Habitat

Nihoa Millerbird Translocation-3

Fishing near a small town along the Columbia River-3

Photographer captures anglers with their fresh catch-1

Captive Devils Hole pupfish-1

Loggerhead Sea Turtle tracks

FWS divers search for salamanders in Spring Lake-2

Female Canada lynx-3

Green Sea Turtles

Delmarva Peninsula fox squirrel pit tagging-2

Pallid sturgeon-1

Loading Gila Trout onto Fish transportation truck

Female Canada lynx-6

Silver fox pauses in the snow

Female Canada lynx

Captive Devils Hole pupfish-3

Female lynx fitted with GPS collar

wildlife animals

Lyon's pentacheata

Ash Meadows Amargosa pupfish-1

Ash Meadows Amargosa pupfish-3

Piping plover chick

Pleasant pines

Sub-Adult Pallid sturgeons

Biologists continually monitor the lynx

Detail of a predator's eye

wildlife animals

Delmarva Peninsula fox squirrel-1

Collared adult male Canada lynx

wildlife animals

Captive Devils Hole pupfish-3

Short-tailed Albatross and Laysan Albatross chicks with decoys

Pallid sturgeon-4

Piping plover chick and the big wave

ring-tailed lemur

Female lynx fitted with GPS collar-1

wildlife animals

Rough Popcornflower

Female lynx fitted with GPS collar-1

wildlife animals

Female Canada lynx heads back to the forest

wildlife animals

Bonytail Chub

Newly captured and sedated Canada lynx

Spring-loving centaury-6

Collared female Canada lynx

wildlife animals

Collared Canada lynx crosses the frozen river

View of Whooping Crane holding pen from inside the blind

Biologist working with sedated lynx

wildlife animals

Lynx is taking off into the forest

wildlife animals

Ash Meadows Amargosa pupfish-1

Ash Meadows Amargosa pupfish-2

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