4,179 Free Images of Threatening

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

Pallid sturgeon juvenile yearling-1

Biologist shows front view of Gulf sturgeon in river-2

Photographer captures anglers with their fresh catch

Recreational boating along the Columbia River-2

California Condor released at Hopper Mountain NWR

landscape mountain

Pallid sturgeon-3

Biologist stocks Gila trout into Mineral Creek

Candy darter-1

Biologists secure boat along shoreline

Willamette Daisy

Razorback sucker

Barrier protects mountain yellow-legged frogs from nonnative tro-6

landscape water

Pallid Sturgeon-1

Fishing near a small town along the Columbia River-2

Mountain golden heather blooms

Razorback sucker-1

Candy darter-1

Yakama tribal member with dip net pully system

Hawksbill sea turtle

Two year old pallid sturgeon

Rafinesque's big-eared bat

Gray wolf-2

Releasing a captured lynx

Coastal sage scrub and oak riparian woodlands

Natural resource professionals looking for Tidewater Goby

Cave opening at Carters Cave-3

Silver fox in silhouette

Ash Meadows Amargosa pupfish-1

Newly collared female lynx recovers from sedation

wildlife animals

Biologist carefully moves the sedated lynx to a recovery position

Captive Devils Hole pupfish-2

Young couple releases a Fall Salmon-1

Ash Meadows Amargosa pupfish-3

Wood stork-1

African Golden Cat

african animals animals

Jan Asselijn - The Threatened Swan - WGA01030

the threatened swan by jan asselijn roeloffzen & hübner

Angler holds a Fall Chinook salmon

Attaching a small satellite GPS collar on a sedated lynx

Service biologist,Claire Ellwanger, counts green pitcher plants

Razorback sucker-1

Ash Meadows gumplant

Fishing near a small town along the Columbia River

Fishing near a small town along the Columbia River-2

Biologists in boat study Gulf sturgeon in river

Collared lynx exits the trap

wildlife animals

Black-footed Ferret-1

wildlife mammals

Alexander the Great Threatened by His Father sc1044

alexander the great threatened by his father (donato creti)

Measuring a transect

landscape water

Ash Meadows Amargosa pupfish-1

Indiana bat-1

landscape water

Captive Devils Hole pupfish-5

Ash Meadows Amargosa pupfish-1

Recreational boating on the Columbia River-1

Biologists tagging Delmarva Peninsula fox squirrels-2

Black-footed Ferret reintroduction site

landscape mammals

Ash Meadows Amargosa pupfish-1

Female lynx heads back to the forest

wildlife animals

Front paw of a sedated female lynx

animals mammals

Endangered Tobusch fishhook cactus flower

Biologist stocks Gila trout in Mineral Creek-2

Silver fox pauses in the snow

Loading Gila Trout onto Fish transportation truck

Female lynx fitted with GPS collar

wildlife animals

Captive Devils Hole pupfish-3

Lyon's pentacheata

Female Canada lynx

Ash Meadows Amargosa pupfish-1

Female Canada lynx-6

Newly collared female lynx-1

wildlife animals

Nihoa Millerbird Translocation-3

Fishing near a small town along the Columbia River-3

Loggerhead Sea Turtle tracks

FWS divers search for salamanders in Spring Lake-2

Female Canada lynx-3

Photographer captures anglers with their fresh catch-1

Pallid sturgeon-1

Captive Devils Hole pupfish-1

Green Sea Turtles

Delmarva Peninsula fox squirrel pit tagging-2

Atlantic salmon parr in Cobble Habitat

Ash Meadows Amargosa pupfish-3

Sub-Adult Pallid sturgeons

Piping plover chick

Pleasant pines

Biologists continually monitor the lynx

Rough Popcornflower

Female lynx fitted with GPS collar-1

wildlife animals

Bonytail Chub

Female Canada lynx heads back to the forest

wildlife animals

Female lynx fitted with GPS collar-1

wildlife animals

Newly captured and sedated Canada lynx

Spring-loving centaury-6

ring-tailed lemur

Captive Devils Hole pupfish-3

Piping plover chick and the big wave

Collared adult male Canada lynx

wildlife animals

Short-tailed Albatross and Laysan Albatross chicks with decoys

Detail of a predator's eye

wildlife animals

Delmarva Peninsula fox squirrel-1

Pallid sturgeon-4

1601 - 1700 of 4,179 Next page

/ 42