4,178 Free Images of Threatening

endangered and/or threatened species fish work of the service water biologists(usfws)wildlife refuge animals aquatic environment boat wildlife

Gila Trout Transport-1

military aircraft

Juvenile pallid sturgeon yearling-2

conservation fish

Hatchling Gopher tortoise basking on rye grass

reptiles animals

Dip netting a salmon in the Klickitat River-4

Preparing a small GPS satellite collar for the sedated lynx

mammals monitor

Biologists search for Fountain Darter-2

Red Knot banding-3

Young couple fishing

Biologist shows side view of Gulf sturgeon in river-3

Devils Hole pupfish-2

Santa Monica Mountains dudleya-4

Biologists display spine of Gulf sturgeon in river

Biologist shows front view of Gulf sturgeon in river-2

Biologists show length of Gulf sturgeon in river-1

Biologists show length of Gulf sturgeon in river-1

Hawaiian monk seal-1

landscape water

Biologists in boat study Gulf sturgeon in river-1

Biologists search for Fountain Darter-1

Pallid Sturgeon-1

Captive Devils Hole pupfish-1

FWS biologist observes captive Devils Hole pupfish-2

Fishing on the Columbia River-3

Candy darter-1

Traditional dip netting-1

Brown Noddy perched on a piece of wood

Wolf collaring-2

Candy darter-1

underwater fish

Pallid Sturgeon-3

Delmarva Peninsula fox squirrel pit tagging

maryland mammals

Bengal Tiger cub

wildlife animals

Kenwood Marsh checkermallow

Biologist shows front view of Gulf sturgeon in river-2

Measuring the canines of a sedated lynx

mammals monitor

American Crocodile and American Alligator

Southern Sea otter with gull

Razorback sucker-1

Hatchling Gopher tortoises emerging from burrow to bask

reptiles animals

Pallid Sturgeon-1

Ash Meadows Amargosa pupfish-1

Biologists show length of Gulf sturgeon in river-6

Pagosa skyrocket flowers

Ash Meadows Amargosa pupfish-1

Hine's emerald dragonfly larvae in shallow water-4

arthropod animals

FWS biologist observes captive Devils Hole pupfish-3

Juvenile pallid sturgeon -5

FWS biologist observes captive Devils Hole pupfish-1

Razorback sucker-2

Snorkeling for Eastern hellbenders

FWS biologist observes captive Devils Hole pupfish-3

Southern Sea otter settling in for a nap

animals mammals

Biologists show length of Gulf sturgeon in river-1

Biologists weigh a Gulf sturgeon in river

Man holds Trumpeter swan during demonstration

Juvenile Gopher tortoise after digging burrow

Biologists in boat study Gulf sturgeon in river-1

Florida manatee-2

Pallid Sturgeon-4

Green sea Turtle

Young couple fishes on the Columbia River

Snorkeler searches for hellbenders

Pallid Sturgeon-2

FWS biologist observes captive Devils Hole pupfish-3

Ash Meadows Amargosa pupfish-2

Biologist carrries a sedated Canada lynx

Ash Meadows Amargosa pupfish-1

Pair of Wood storks-2

Endangered Hawaiian monk seal and Laysan albatross

Mission Blue butterfly-1

Razorback sucker-1

Yakama tribal member with traditional dip net

Delmarva Peninsula fox squirrel-1

animals mammals

FWS biologist observes captive Devils Hole pupfish-2

Fishing on the Columbia River-1

Swamp Pink

butterfly animals

Biologists display spine of Gulf sturgeon in river-2

Candy darter-1

FWS biologist observes captive Devils Hole pupfish-2

Biologist shows front view of Gulf sturgeon in river-1

Black-footed Ferret release site

landscape travel

Razorback sucker-2

Biologists secure boat along shoreline-2

Dudley Bluffs bladderpod

Traditional dip netting-4

Candy darter

Island marble butterfly-5

landscape nature

Florida manatee-1

African Golden Cat

african animals animals

California Condor released at Hopper Mountain NWR

landscape mountain

Pallid sturgeon-3

Ash Meadows Amargosa pupfish-1

Barrier protects mountain yellow-legged frogs from nonnative tro

landscape water

Willamette Daisy

Biologists deploy a GPS elk collar on a cow elk

Biologist stocks Gila trout into Mineral Creek

Southern Sea otter with green crab

Delmarva Peninsula fox squirrel pit tagging-1

maryland mammals

Pallid sturgeon juvenile yearling-1

Photographer captures anglers with their fresh catch

Recreational boating along the Columbia River-2

Biologist shows front view of Gulf sturgeon in river-2

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