4,181 Free Images of Threatening

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

Candy darter-1

Biologists secure boat along shoreline

American paddlefish and Pallid sturgeon

underwater fish

Public access fishing area

Southern sea otter with her pup in Moss Landing

Yakama tribal member with traditional dip net-4

Canyon at San Diego National Wildlife Refuge

Biologist shows front view of Gulf sturgeon in river-3

Working on a sedated lynx in the field

Pallid Sturgeon-13

Raft of Southern Sea Otters

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

landscape water

Pallid Sturgeon-1

Two year old pallid sturgeon

Rafinesque's big-eared bat

Gray wolf-2

Fishing near a small town along the Columbia River-2

Razorback sucker-1

Candy darter-1

Yakama tribal member with dip net pully system

Hawksbill sea turtle

Mountain golden heather blooms

Razorback sucker

Alexander the Great Threatened by His Father sc1044

alexander the great threatened by his father (donato creti)

Fishing near a small town along the Columbia River-2

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

Service biologist,Claire Ellwanger, counts green pitcher plants

Razorback sucker-1

Ash Meadows gumplant

Biologists in boat study Gulf sturgeon in river

Collared lynx exits the trap

wildlife animals

Black-footed Ferret-1

wildlife mammals

Cave opening at Carters Cave-3

Silver fox in silhouette

Newly collared female lynx recovers from sedation

wildlife animals

Wood stork-1

Captive Devils Hole pupfish-2

Young couple releases a Fall Salmon-1

Ash Meadows Amargosa pupfish-3

Ash Meadows Amargosa pupfish-1

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

Ash Meadows Amargosa pupfish-1

Captive Devils Hole pupfish-5

Ash Meadows Amargosa pupfish-1

Black-footed Ferret reintroduction site

landscape mammals

Recreational boating on the Columbia River-1

Biologists tagging Delmarva Peninsula fox squirrels-2

Indiana bat-1

landscape water

Measuring a transect

landscape water

Ash Meadows Amargosa pupfish-1

Jan Asselijn - The Threatened Swan - WGA01030

the threatened swan by jan asselijn roeloffzen & hübner

Female Canada lynx

Silver fox pauses in the snow

Female Canada lynx-6

Captive Devils Hole pupfish-3

Loading Gila Trout onto Fish transportation truck

Female lynx fitted with GPS collar

wildlife animals

Lyon's pentacheata

Ash Meadows Amargosa pupfish-1

Front paw of a sedated female lynx

animals mammals

Biologist stocks Gila trout in Mineral Creek-2

Endangered Tobusch fishhook cactus flower

Female lynx heads back to the forest

wildlife animals

Photographer captures anglers with their fresh catch-1

Delmarva Peninsula fox squirrel pit tagging-2

Nihoa Millerbird Translocation-3

Fishing near a small town along the Columbia River-3

Green Sea Turtles

Captive Devils Hole pupfish-1

Atlantic salmon parr in Cobble Habitat

Pallid sturgeon-1

Loggerhead Sea Turtle tracks

FWS divers search for salamanders in Spring Lake-2

Female Canada lynx-3

Newly collared female lynx-1

wildlife animals

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

Rembrandt - Samson threatened his father-in-law - Google Art Project

Ash Meadows Amargosa pupfish-3

Biologists continually monitor the lynx

Piping plover chick

Pleasant pines

Sub-Adult Pallid sturgeons

Collared adult male Canada lynx

wildlife animals

Captive Devils Hole pupfish-3

Piping plover chick and the big wave

Pallid sturgeon-4

Detail of a predator's eye

wildlife animals

Short-tailed Albatross and Laysan Albatross chicks with decoys

ring-tailed lemur

Delmarva Peninsula fox squirrel-1

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